Managed XDR

kbdhept. (Emotet, ZeroAccess, Tinba) — malware analysis report

File info

Filename
kbdhept.
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
96 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9ef8b4ae9df076f7580e950c53ae0a64ad388ee4
SHA256
7eafef396b9e6a11069bf44ba822bdfe45d32d37001a8f89c9a6e147bb84966f
MD5
5a7d02a4a07c42588152f6509d224079

Malwares

  • Emotet
  • ZeroAccess
  • Tinba

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
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

T1070.004 deletes_self: Moves to different location or removes the original executable file
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
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
banker_emotet: Emotet banking trojan indicators detected
static_versioninfo_anomaly: Unusual information about the version
static_pe_anomaly: The PE file structure contains anomalies
creates_in_windows: Creates files in the Windows directory
dead_host: Connects to IP addresses that do not respond to requests
mimics_agent: Uses system User-Agent for requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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