Analysis

  • max time kernel
    160s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 10:10

General

  • Target

    15d677bf13cdeca0cd067ed4eb39e02972ec2e5c9dfa332f5c9d49a131716ddb.exe

  • Size

    615KB

  • MD5

    a016dd97763c68e3c900d645ab357a4d

  • SHA1

    2c74ef6367ebd3835b12126b9e18e6e063ea3745

  • SHA256

    15d677bf13cdeca0cd067ed4eb39e02972ec2e5c9dfa332f5c9d49a131716ddb

  • SHA512

    19b6b5a2697621626400b9c1dea33900e435cc81a0b547f464b725652308006b68e77534ffadbec77c6631f6ced630eead7b074e5b5f80986bee3404fa412334

  • SSDEEP

    6144:zpkHOJ0qvtMWjQ/TS/zaQ54uxxoHVLtLJRvZLiLGrSPicdgnSjc4jASul6x:zpkHM0qeV2/zaIPicdgnS1A+

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1513074805:AAE9QtTNfInovOlDzP4PcE-Ro12KxYiz9Z4/sendMessage?chat_id=1673719962

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15d677bf13cdeca0cd067ed4eb39e02972ec2e5c9dfa332f5c9d49a131716ddb.exe
    "C:\Users\Admin\AppData\Local\Temp\15d677bf13cdeca0cd067ed4eb39e02972ec2e5c9dfa332f5c9d49a131716ddb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Users\Admin\AppData\Local\Temp\15d677bf13cdeca0cd067ed4eb39e02972ec2e5c9dfa332f5c9d49a131716ddb.exe
      "C:\Users\Admin\AppData\Local\Temp\15d677bf13cdeca0cd067ed4eb39e02972ec2e5c9dfa332f5c9d49a131716ddb.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4136
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 1504
        3⤵
        • Program crash
        PID:3524
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4136 -ip 4136
    1⤵
      PID:2288

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4136-136-0x0000000000000000-mapping.dmp

    • memory/4136-137-0x0000000000400000-0x0000000000468000-memory.dmp

      Filesize

      416KB

    • memory/4136-139-0x0000000006480000-0x0000000006642000-memory.dmp

      Filesize

      1.8MB

    • memory/4840-132-0x0000000000120000-0x00000000001C0000-memory.dmp

      Filesize

      640KB

    • memory/4840-133-0x00000000050F0000-0x0000000005694000-memory.dmp

      Filesize

      5.6MB

    • memory/4840-134-0x0000000004BE0000-0x0000000004C72000-memory.dmp

      Filesize

      584KB

    • memory/4840-135-0x0000000004E10000-0x0000000004EAC000-memory.dmp

      Filesize

      624KB

    • memory/4840-138-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

      Filesize

      40KB