General

  • Target

    IMG_25579.doc

  • Size

    1.0MB

  • Sample

    210120-v3flmgfvlx

  • MD5

    9e084497b2eccc1b7b5a06327c58da66

  • SHA1

    a7c8f1d8ca2bb54214611445708270f19cea5bd6

  • SHA256

    7ee5fb764d9e66297d7cef858020c2599195d6227032bca40727cd220473c903

  • SHA512

    569b29b7e86efbaeccf0781f3d040797f5ed7202495489f3bdb40861c8a341c9aaf6e827f03d22af05a0396b653c78bc97342f4d88fa1c1b3094ef2b38955b73

Malware Config

Targets

    • Target

      IMG_25579.doc

    • Size

      1.0MB

    • MD5

      9e084497b2eccc1b7b5a06327c58da66

    • SHA1

      a7c8f1d8ca2bb54214611445708270f19cea5bd6

    • SHA256

      7ee5fb764d9e66297d7cef858020c2599195d6227032bca40727cd220473c903

    • SHA512

      569b29b7e86efbaeccf0781f3d040797f5ed7202495489f3bdb40861c8a341c9aaf6e827f03d22af05a0396b653c78bc97342f4d88fa1c1b3094ef2b38955b73

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • 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 v6

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks