General

  • Target

    IMG_5371.EXE

  • Size

    1.4MB

  • Sample

    210122-79yqbaqya6

  • MD5

    dab644bd40ca9f103fcbdd74ebe39a2d

  • SHA1

    f3c2aacc1c81f58e9975f4e89fab04ebd1d87377

  • SHA256

    67f3cc2b3a57590f2e4bb1e496a0b2d0da8cece64efc73da021c9c0bde2c6f9c

  • SHA512

    2fd1b216531e27ab66ea47f51a9d58fcb5a342937109d07df881c346384e369835655bd6e2fcbe284a8fc72757542e446f495271c9df9c0533a22640f3d55ac0

Malware Config

Targets

    • Target

      IMG_5371.EXE

    • Size

      1.4MB

    • MD5

      dab644bd40ca9f103fcbdd74ebe39a2d

    • SHA1

      f3c2aacc1c81f58e9975f4e89fab04ebd1d87377

    • SHA256

      67f3cc2b3a57590f2e4bb1e496a0b2d0da8cece64efc73da021c9c0bde2c6f9c

    • SHA512

      2fd1b216531e27ab66ea47f51a9d58fcb5a342937109d07df881c346384e369835655bd6e2fcbe284a8fc72757542e446f495271c9df9c0533a22640f3d55ac0

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Executes dropped EXE

    • 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.

    • 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.

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks