Managed XDR

c-programdata-microsof...grams-startup-file.exe (Dharma, Ramnit, DNS Sinkhole, Hupigon) — malware analysis report

File info

Filename
c-programdata-microsoft-windows-start-menu-programs-startup-file.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
200.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1c5d21857b4329fee9257d8608134b2f94ea149c
SHA256
590d3c67a0d4bdcfdabdc579ba3ef3e035144c7b422af7d083d30f6f53ce7cc4
MD5
8f55ce9352a6fb03e3d87f8ed1ffaa7f

Malwares

  • Dharma
  • Ramnit
  • DNS Sinkhole
  • Hupigon

Signatures

Execution

T1059.003 suspicious_cmd_process: Cmd.exe without commandline launches a new process

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.004 injection_ntqueueapcthread: Injects into another process using NtQueueApcThread
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1564.001 stealth_file: Creates hidden or system files
T1055.004 injection_ntqueueapcthread: Injects into another process using NtQueueApcThread
T1070 stealth_webhistory: Clears browsing history
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1480 system_default_lang_id_present: Checks the system language
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 reads_csrss: Attempts to read csrss.exe memory

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1561 wiper_zeroed_bytes: Overwrites multiple files with zero bytes (hex 00)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings
T1486 ransomware_files_2: Ransomware(s) Roger indicators detected (creates keys and the instruction on how to unlock the files)
T1485 deletes_files: Removes 500 or more files from C: drive

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
ransomware_dharma: Detected Dharma ransomware
ramnit_alt: Ramnit banking trojan indicators detected
ransomware_shadowcopy: Removes volume shadow copies
creates_in_windows: Creates files in the Windows directory
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
copies_self: Creates a copy of itself
network_bind: Starts servers listening at 0.0.0.0:21
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process

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