Analysis

  • max time kernel
    115s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 07:47

General

  • Target

    a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe

  • Size

    541KB

  • MD5

    dbdacf479a9dd40133701e06e6dc401c

  • SHA1

    5e78767cf2498d34fc27674ff326f2a7ce5ab2a3

  • SHA256

    a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c

  • SHA512

    f46d0fce9ad0e9c4a9142e53d02aa903dc082872068dea6597c8d22e6154f25976a309815a8efd721b5451ceb3646976d69e664db261becd18f250b8fdaa89a6

  • SSDEEP

    12288:+RfMJlRPMhU1n75ZyoFXm5PpVHSyE7ZhvCgC3UGGqRyUs3PKspeuD3kR:pbRj5ZrXm57ktqRyp3PKSM

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.artefes.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ArtEfes4765*+

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe
    "C:\Users\Admin\AppData\Local\Temp\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4708
    • 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\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:384
    • C:\Users\Admin\AppData\Local\Temp\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe
      "C:\Users\Admin\AppData\Local\Temp\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe"
      2⤵
        PID:4544
      • C:\Users\Admin\AppData\Local\Temp\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe
        "C:\Users\Admin\AppData\Local\Temp\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a597f53ed7d5e4cc1af67800969953f431c7c99467d75a42e3db360d7302283c.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5zmk0hkc.hn1.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/384-31-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/384-51-0x00000000070B0000-0x0000000007146000-memory.dmp

      Filesize

      600KB

    • memory/384-33-0x0000000005B00000-0x0000000005B1E000-memory.dmp

      Filesize

      120KB

    • memory/384-59-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/384-56-0x0000000007150000-0x0000000007158000-memory.dmp

      Filesize

      32KB

    • memory/384-55-0x0000000007170000-0x000000000718A000-memory.dmp

      Filesize

      104KB

    • memory/384-54-0x0000000007070000-0x0000000007084000-memory.dmp

      Filesize

      80KB

    • memory/384-32-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/384-53-0x0000000007060000-0x000000000706E000-memory.dmp

      Filesize

      56KB

    • memory/384-52-0x0000000007030000-0x0000000007041000-memory.dmp

      Filesize

      68KB

    • memory/384-50-0x0000000006EA0000-0x0000000006EAA000-memory.dmp

      Filesize

      40KB

    • memory/384-15-0x0000000004CC0000-0x00000000052E8000-memory.dmp

      Filesize

      6.2MB

    • memory/384-49-0x0000000006E30000-0x0000000006E4A000-memory.dmp

      Filesize

      104KB

    • memory/384-17-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/384-18-0x0000000005360000-0x00000000053C6000-memory.dmp

      Filesize

      408KB

    • memory/384-48-0x0000000007470000-0x0000000007AEA000-memory.dmp

      Filesize

      6.5MB

    • memory/384-47-0x0000000006D00000-0x0000000006DA3000-memory.dmp

      Filesize

      652KB

    • memory/384-19-0x00000000053D0000-0x0000000005436000-memory.dmp

      Filesize

      408KB

    • memory/384-16-0x0000000004A50000-0x0000000004A72000-memory.dmp

      Filesize

      136KB

    • memory/384-30-0x0000000005540000-0x0000000005894000-memory.dmp

      Filesize

      3.3MB

    • memory/384-13-0x00000000021E0000-0x0000000002216000-memory.dmp

      Filesize

      216KB

    • memory/384-46-0x0000000006CE0000-0x0000000006CFE000-memory.dmp

      Filesize

      120KB

    • memory/384-36-0x0000000070B20000-0x0000000070B6C000-memory.dmp

      Filesize

      304KB

    • memory/384-34-0x0000000005B50000-0x0000000005B9C000-memory.dmp

      Filesize

      304KB

    • memory/384-35-0x0000000006CA0000-0x0000000006CD2000-memory.dmp

      Filesize

      200KB

    • memory/2056-63-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2056-10-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2056-61-0x0000000006900000-0x0000000006AC2000-memory.dmp

      Filesize

      1.8MB

    • memory/2056-20-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2056-60-0x00000000066E0000-0x0000000006730000-memory.dmp

      Filesize

      320KB

    • memory/2056-14-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/4708-9-0x0000000008700000-0x000000000879C000-memory.dmp

      Filesize

      624KB

    • memory/4708-3-0x00000000049C0000-0x0000000004A52000-memory.dmp

      Filesize

      584KB

    • memory/4708-4-0x0000000004990000-0x000000000499A000-memory.dmp

      Filesize

      40KB

    • memory/4708-1-0x0000000000070000-0x00000000000F8000-memory.dmp

      Filesize

      544KB

    • memory/4708-7-0x0000000004E00000-0x0000000004E0C000-memory.dmp

      Filesize

      48KB

    • memory/4708-6-0x0000000004CF0000-0x0000000004D00000-memory.dmp

      Filesize

      64KB

    • memory/4708-5-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/4708-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

      Filesize

      4KB

    • memory/4708-8-0x0000000005D00000-0x0000000005D68000-memory.dmp

      Filesize

      416KB

    • memory/4708-62-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/4708-2-0x0000000005050000-0x00000000055F4000-memory.dmp

      Filesize

      5.6MB