General

  • Target

    DOC-S09989.exe

  • Size

    608KB

  • Sample

    210121-6jnjmcggfx

  • MD5

    30d51014bd7fcdf58947980ad56e12a9

  • SHA1

    9b372303fc82f98c27b28083bdc234a4dfeaa3b5

  • SHA256

    a46619353188d4f4391269c1e5b29ba8bc3bb0d476688f903af75dd2603f6e8d

  • SHA512

    9cdbcd72ae9386ed2783a260580ea1e40f3191239e16876fff3100263cc2d1b65796f2e56fc6d0543fc9b1a87b7f96f635978436796f36a2a996c0bb0c359d14

Malware Config

Targets

    • Target

      DOC-S09989.exe

    • Size

      608KB

    • MD5

      30d51014bd7fcdf58947980ad56e12a9

    • SHA1

      9b372303fc82f98c27b28083bdc234a4dfeaa3b5

    • SHA256

      a46619353188d4f4391269c1e5b29ba8bc3bb0d476688f903af75dd2603f6e8d

    • SHA512

      9cdbcd72ae9386ed2783a260580ea1e40f3191239e16876fff3100263cc2d1b65796f2e56fc6d0543fc9b1a87b7f96f635978436796f36a2a996c0bb0c359d14

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • 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.

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks