General

  • Target

    INVOICE-099990.exe

  • Size

    600KB

  • Sample

    210120-vl1s1p3c4e

  • MD5

    0a73075a58f055c2af0403ee35887b65

  • SHA1

    c1b30a2d00436ff430153a80adf64b0c0005d774

  • SHA256

    a8f2984d5f05f009985afc0368ed1203380b3df4676996140a57011365108aac

  • SHA512

    59e8af8503822bb5ef0d04ada0a1d0b3c08f5cc74878d64e26457db2757e759dc47ff8329e2612d610ac2fc35fd6fb57435620b74733e8a565f7b20f24201cb1

Malware Config

Targets

    • Target

      INVOICE-099990.exe

    • Size

      600KB

    • MD5

      0a73075a58f055c2af0403ee35887b65

    • SHA1

      c1b30a2d00436ff430153a80adf64b0c0005d774

    • SHA256

      a8f2984d5f05f009985afc0368ed1203380b3df4676996140a57011365108aac

    • SHA512

      59e8af8503822bb5ef0d04ada0a1d0b3c08f5cc74878d64e26457db2757e759dc47ff8329e2612d610ac2fc35fd6fb57435620b74733e8a565f7b20f24201cb1

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • 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

Discovery

System Information Discovery

1
T1082

Tasks