Analysis

  • max time kernel
    123s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 12:04

General

  • Target

    PO-000041522.exe

  • Size

    528KB

  • MD5

    b763612a26d5020ee8f91abb78517dcf

  • SHA1

    24a91ef3cb3fd9eab1f35ac117cd48b4045fce56

  • SHA256

    c087790833ae259686895407c9f60de7ef7614956fae617761998a4a5467f60f

  • SHA512

    fbc4915e004dabfb93a1c2de17287d442597aac881c0c45fe03b397a7986eaa37e6c4072299021dcb14162f5ff350bf72127bd8db7112d73b5a392ce98b3a992

  • SSDEEP

    12288:Nn0nsDtXORI+det48HAh/+qiwxo62nSvQ/f2Zq:N0nOXUI+dE4gAh/+qnp2eQWZ

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7720120586:AAEL1VybRIeGFqc29yI4D0-l0jQ_HF7ry5s/sendMessage?chat_id=6419839739

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1292
    • C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-000041522.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mvhng1vv.l0f.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1292-51-0x00000000079E0000-0x00000000079FA000-memory.dmp

    Filesize

    104KB

  • memory/1292-16-0x0000000002D90000-0x0000000002DC6000-memory.dmp

    Filesize

    216KB

  • memory/1292-23-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1292-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1292-61-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1292-58-0x0000000007D00000-0x0000000007D08000-memory.dmp

    Filesize

    32KB

  • memory/1292-57-0x0000000007D20000-0x0000000007D3A000-memory.dmp

    Filesize

    104KB

  • memory/1292-56-0x0000000007C20000-0x0000000007C34000-memory.dmp

    Filesize

    80KB

  • memory/1292-55-0x0000000007C10000-0x0000000007C1E000-memory.dmp

    Filesize

    56KB

  • memory/1292-54-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

    Filesize

    68KB

  • memory/1292-53-0x0000000007C60000-0x0000000007CF6000-memory.dmp

    Filesize

    600KB

  • memory/1292-52-0x0000000007A50000-0x0000000007A5A000-memory.dmp

    Filesize

    40KB

  • memory/1292-50-0x0000000008030000-0x00000000086AA000-memory.dmp

    Filesize

    6.5MB

  • memory/1292-36-0x00000000066F0000-0x000000000673C000-memory.dmp

    Filesize

    304KB

  • memory/1292-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1292-49-0x00000000078B0000-0x0000000007953000-memory.dmp

    Filesize

    652KB

  • memory/1292-18-0x0000000005880000-0x0000000005EA8000-memory.dmp

    Filesize

    6.2MB

  • memory/1292-20-0x00000000055F0000-0x0000000005612000-memory.dmp

    Filesize

    136KB

  • memory/1292-21-0x0000000005F60000-0x0000000005FC6000-memory.dmp

    Filesize

    408KB

  • memory/1292-22-0x0000000006080000-0x00000000060E6000-memory.dmp

    Filesize

    408KB

  • memory/1292-48-0x0000000006C70000-0x0000000006C8E000-memory.dmp

    Filesize

    120KB

  • memory/1292-38-0x0000000070150000-0x000000007019C000-memory.dmp

    Filesize

    304KB

  • memory/1292-37-0x0000000007670000-0x00000000076A2000-memory.dmp

    Filesize

    200KB

  • memory/1292-30-0x00000000060F0000-0x0000000006444000-memory.dmp

    Filesize

    3.3MB

  • memory/1292-35-0x00000000066C0000-0x00000000066DE000-memory.dmp

    Filesize

    120KB

  • memory/2116-0-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/2116-7-0x0000000005220000-0x0000000005232000-memory.dmp

    Filesize

    72KB

  • memory/2116-5-0x0000000004FF0000-0x000000000508C000-memory.dmp

    Filesize

    624KB

  • memory/2116-4-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

    Filesize

    40KB

  • memory/2116-1-0x0000000000390000-0x000000000041A000-memory.dmp

    Filesize

    552KB

  • memory/2116-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2116-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp

    Filesize

    584KB

  • memory/2116-6-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2116-2-0x0000000005240000-0x00000000057E4000-memory.dmp

    Filesize

    5.6MB

  • memory/2116-8-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/2116-10-0x00000000062A0000-0x000000000630A000-memory.dmp

    Filesize

    424KB

  • memory/2116-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-11-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3600-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-62-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-63-0x0000000006550000-0x00000000065A0000-memory.dmp

    Filesize

    320KB

  • memory/3600-64-0x0000000006770000-0x0000000006932000-memory.dmp

    Filesize

    1.8MB