General

  • Target

    snake_eaterII.exe

  • Size

    6.9MB

  • Sample

    231030-wltc7agd22

  • MD5

    bf8992602fb929f15c856fa33b683153

  • SHA1

    6fb6587d3e13c10381a873df89adaa759ad0e024

  • SHA256

    803441e8f57b727a4eb403be2a4088b99b1877bb45a80de37e80df4442a1f8f7

  • SHA512

    f8209489e95ac9df5c401865838e864a79397a3c97ac07bbaf0a98e8719b1547b99d7ee479b04e5501d2f57f6c927ef1f364b62b3c54d9be29b88f0f86f31ee4

  • SSDEEP

    98304:Kak8YWQRkhUsdDwG1eFsr7/9YKPlcGxH0Ig17E3AAy5tx5KD/SSvzJT1aOcUoS:Kak9k6YDwGcs9VtcGfcY3gtA71Zc

Malware Config

Targets

    • Target

      snake_eaterII.exe

    • Size

      6.9MB

    • MD5

      bf8992602fb929f15c856fa33b683153

    • SHA1

      6fb6587d3e13c10381a873df89adaa759ad0e024

    • SHA256

      803441e8f57b727a4eb403be2a4088b99b1877bb45a80de37e80df4442a1f8f7

    • SHA512

      f8209489e95ac9df5c401865838e864a79397a3c97ac07bbaf0a98e8719b1547b99d7ee479b04e5501d2f57f6c927ef1f364b62b3c54d9be29b88f0f86f31ee4

    • SSDEEP

      98304:Kak8YWQRkhUsdDwG1eFsr7/9YKPlcGxH0Ig17E3AAy5tx5KD/SSvzJT1aOcUoS:Kak9k6YDwGcs9VtcGfcY3gtA71Zc

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks