Managed XDR

255a06150002.891.1747863185.847382.1.eml (DarkCloud) — malware analysis report

File info

Filename
255a06150002.891.1747863185.847382.1.eml
File type
RFC 822 mail, ASCII text, with very long lines, with CRLF line terminators
File size
1.5 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
05039eae2c4daf6f3e712ea206ff5093afccf23f
SHA256
ac015b3652a9a4f403f4f9a7913136a2c08af0185e7ce64065d6f19c1029035b
MD5
54f2980ce35de253afb6066c18ff52af

Malwares

  • DarkCloud

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
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

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1055.002 inject_write_pe: Writes PE file to another process's memory
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
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_vb: The executable file is packed using VB
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window
T1480 system_default_lang_id_present: Checks the system language
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 reads_csrss: Attempts to read csrss.exe memory

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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