General

  • Target

    8c909dda150a980bd5bb6a0bdb8ca6e92847b3b2152a9c7e9168edcda0d78ae0.exe

  • Size

    247KB

  • Sample

    240629-bywzma1cmq

  • MD5

    f54784a2eb9bfb6306af5772aed3d5d1

  • SHA1

    fd8bb87d6c33e6aaf6f29fb5c3c25705ce019774

  • SHA256

    8c909dda150a980bd5bb6a0bdb8ca6e92847b3b2152a9c7e9168edcda0d78ae0

  • SHA512

    c3f450e316c3eb209614d2a9fbf88993dbbb2367cba5af0a657ec568df2765d6ae74e52ba92b06569a35c86a5c32a4c859dfac8a7b4a6a350ae9147d139bd2ef

  • SSDEEP

    3072:S8td93Bs3RnQ/g5bQw54d0TZ0tShRwUPnS21mQbnc+BR0pKREX/WONBuwrhmc7UF:Ssd9R3gmpdUZ0tc6uwrhmWQcrF9noAg

Malware Config

Extracted

Family

snakekeylogger

Credentials

Targets

    • Target

      8c909dda150a980bd5bb6a0bdb8ca6e92847b3b2152a9c7e9168edcda0d78ae0.exe

    • Size

      247KB

    • MD5

      f54784a2eb9bfb6306af5772aed3d5d1

    • SHA1

      fd8bb87d6c33e6aaf6f29fb5c3c25705ce019774

    • SHA256

      8c909dda150a980bd5bb6a0bdb8ca6e92847b3b2152a9c7e9168edcda0d78ae0

    • SHA512

      c3f450e316c3eb209614d2a9fbf88993dbbb2367cba5af0a657ec568df2765d6ae74e52ba92b06569a35c86a5c32a4c859dfac8a7b4a6a350ae9147d139bd2ef

    • SSDEEP

      3072:S8td93Bs3RnQ/g5bQw54d0TZ0tShRwUPnS21mQbnc+BR0pKREX/WONBuwrhmc7UF:Ssd9R3gmpdUZ0tc6uwrhmWQcrF9noAg

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables with potential process hoocking

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks