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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 01:56

General

  • Target

    DTWPPP90000.exe

  • Size

    674KB

  • MD5

    2ad9b003804bf466bbc840e9cf1267df

  • SHA1

    b8a3fd0311eb5f1161b896d9df7b39917afd54b7

  • SHA256

    9a5289cd4d6c3ebe781e5093c7be2ad9cab9f3dd896fe65484199bf690219ff3

  • SHA512

    8293c50eeac70a55b4d0fb3a6ac324f61cda5138cff2d641bb70e9448163dc7bc83c71d2289f5f296888494cda37ef293a3840856f91b957ece2b6d5c3144873

  • SSDEEP

    12288:U4GQ6Fy1mHR/mC9awDws/lxyRpeUGWHXZnXyFOsLVnVB3PlXYiwI3cVEOMtjIh:H36Y1moC9aS/XopDNXZnXy0spVB3yiwp

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

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 2 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 3 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).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DTWPPP90000.exe
    "C:\Users\Admin\AppData\Local\Temp\DTWPPP90000.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DTWPPP90000.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1508
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BcFyXuyfqSkIH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4716
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BcFyXuyfqSkIH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB788.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3016
    • C:\Users\Admin\AppData\Local\Temp\DTWPPP90000.exe
      C:\Users\Admin\AppData\Local\Temp\DTWPPP90000.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\DTWPPP90000.exe.log

    Filesize

    1KB

    MD5

    00e11b196d5ba77191cba469e8925764

    SHA1

    f1546b803f20c8b4010f862843edc0b0771a681b

    SHA256

    abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1

    SHA512

    985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7

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

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ysfyjbx.0ty.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB788.tmp

    Filesize

    1KB

    MD5

    aeebcfe80faa82222ff6a96fb19ac41e

    SHA1

    3b0bcacefa49e87e51b763f74278e225189955e3

    SHA256

    69c2bbd22f91680a4d69ba0ea29c531244b24d97bffc06653ecf4cb27a5d9926

    SHA512

    7e8d02d7885fba699b06da18e068dc93adeb932d3aef244b8561dd462406225871828f797025315ec469aa665c125078e51668e718c2abbd8622659eaab263d3

  • memory/1508-14-0x00007FF84B910000-0x00007FF84C3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-43-0x00007FF84B910000-0x00007FF84C3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-25-0x00007FF84B910000-0x00007FF84C3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-20-0x00000228080C0000-0x00000228080E2000-memory.dmp

    Filesize

    136KB

  • memory/1508-13-0x00007FF84B910000-0x00007FF84C3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/2488-6-0x00007FF84B910000-0x00007FF84C3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/2488-39-0x000000001CA40000-0x000000001CBE9000-memory.dmp

    Filesize

    1.7MB

  • memory/2488-7-0x00000000015D0000-0x00000000015E4000-memory.dmp

    Filesize

    80KB

  • memory/2488-0-0x00007FF84B913000-0x00007FF84B915000-memory.dmp

    Filesize

    8KB

  • memory/2488-5-0x000000001CA40000-0x000000001CBE9000-memory.dmp

    Filesize

    1.7MB

  • memory/2488-1-0x0000000000AE0000-0x0000000000B8E000-memory.dmp

    Filesize

    696KB

  • memory/2488-4-0x00007FF84B913000-0x00007FF84B915000-memory.dmp

    Filesize

    8KB

  • memory/2488-8-0x000000001C9C0000-0x000000001CA28000-memory.dmp

    Filesize

    416KB

  • memory/2488-40-0x00007FF84B910000-0x00007FF84C3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/2488-3-0x00000000037B0000-0x00000000037D6000-memory.dmp

    Filesize

    152KB

  • memory/2488-2-0x00007FF84B910000-0x00007FF84C3D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4132-36-0x0000000140000000-0x0000000140024000-memory.dmp

    Filesize

    144KB

  • memory/4132-47-0x000000001BF10000-0x000000001BF60000-memory.dmp

    Filesize

    320KB

  • memory/4132-48-0x000000001E670000-0x000000001E832000-memory.dmp

    Filesize

    1.8MB