Analysis

  • max time kernel
    91s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2023 14:32

General

  • Target

    65670000009876.exe

  • Size

    531KB

  • MD5

    fd0e4c74cd2cde1d6b13ec40602af84f

  • SHA1

    46ed02d73b9370d61bfe0f8797d1402a38121b90

  • SHA256

    48834270a70765c001a06f747884bc5289db6859b56609d0a7f2d1fd30cbb18e

  • SHA512

    74e351216d6d7d88ac57734ec180c693e7212747a7984a607e9f26d2251c053ace4d6aae2a386b377c3ba55acd59dff1e04bba168a15f66d3ca6af11753897d1

  • SSDEEP

    12288:VS2iNXkDu93BEvu/4gLWFylJku//aGLH:VS19D34uE47kq/aGL

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\65670000009876.exe
    "C:\Users\Admin\AppData\Local\Temp\65670000009876.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\65670000009876.exe
      "C:\Users\Admin\AppData\Local\Temp\65670000009876.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5100

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\65670000009876.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2100-133-0x0000000000F60000-0x0000000000FEC000-memory.dmp

    Filesize

    560KB

  • memory/2100-134-0x0000000005EC0000-0x0000000006464000-memory.dmp

    Filesize

    5.6MB

  • memory/2100-135-0x0000000005910000-0x00000000059A2000-memory.dmp

    Filesize

    584KB

  • memory/2100-136-0x0000000005870000-0x000000000587A000-memory.dmp

    Filesize

    40KB

  • memory/2100-137-0x0000000005860000-0x0000000005870000-memory.dmp

    Filesize

    64KB

  • memory/2100-138-0x0000000005860000-0x0000000005870000-memory.dmp

    Filesize

    64KB

  • memory/2100-139-0x00000000068E0000-0x000000000697C000-memory.dmp

    Filesize

    624KB

  • memory/5100-140-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/5100-143-0x0000000004E00000-0x0000000004E10000-memory.dmp

    Filesize

    64KB

  • memory/5100-144-0x0000000006330000-0x00000000064F2000-memory.dmp

    Filesize

    1.8MB

  • memory/5100-145-0x0000000004E00000-0x0000000004E10000-memory.dmp

    Filesize

    64KB