Analysis

  • max time kernel
    118s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2025, 14:08

General

  • Target

    Vessel Details.exe

  • Size

    587KB

  • MD5

    2171680ef08db64f0ced805359738f86

  • SHA1

    346302d103cf057ae7b43015a1346ac4a59be939

  • SHA256

    da791f0ba7859d019d5ceaf184f2e64df5311e0179decb82678154c158c7095b

  • SHA512

    ade149a9521065730687453a0196fe716704f10fd246266ec19ba95429be295dbbc24ed21347fb0616c759598b91ea024c1eb60325a3094466310bbee492b26e

  • SSDEEP

    12288:1YmQiKaxG8w2NKgudjntDkkN462b5DDsz7HBLCn2xAkAm3arxx:mmQiE8w2NKgu7K6CsnBLrP3Yx

Malware Config

Extracted

Family

snakekeylogger

Credentials

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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Vessel Details.exe
    "C:\Users\Admin\AppData\Local\Temp\Vessel Details.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BacUEoDscugyny.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4764
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BacUEoDscugyny" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0B2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4840
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:232
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_msq4bgqr.lfa.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB0B2.tmp

      Filesize

      1KB

      MD5

      75a2be2078f266ee6f63cc31cb7cd35b

      SHA1

      1c32dd80d0345b8d7b57c9687b2c6d89426a78d9

      SHA256

      a8464a992d69a8c4518702d72026bcbe2301f04462ba1998a715e738c6ac21cf

      SHA512

      4cb83dd47e46efa18315e34479207e93bc3a672f4acd40fd5c8f7a33900cd0a88afd2bb9223f2083d79b1302ac331c531a926a68c99f9cd80da2e20b8f5b75a6

    • memory/2728-10-0x0000000006280000-0x00000000062EC000-memory.dmp

      Filesize

      432KB

    • memory/2728-9-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2728-4-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2728-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp

      Filesize

      40KB

    • memory/2728-6-0x00000000051F0000-0x000000000528C000-memory.dmp

      Filesize

      624KB

    • memory/2728-7-0x0000000005150000-0x0000000005168000-memory.dmp

      Filesize

      96KB

    • memory/2728-8-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

      Filesize

      4KB

    • memory/2728-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

      Filesize

      584KB

    • memory/2728-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

      Filesize

      4KB

    • memory/2728-2-0x00000000053F0000-0x0000000005994000-memory.dmp

      Filesize

      5.6MB

    • memory/2728-1-0x00000000003B0000-0x0000000000448000-memory.dmp

      Filesize

      608KB

    • memory/2728-36-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2876-64-0x0000000006AD0000-0x0000000006B20000-memory.dmp

      Filesize

      320KB

    • memory/2876-65-0x0000000006CF0000-0x0000000006EB2000-memory.dmp

      Filesize

      1.8MB

    • memory/2876-29-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4764-17-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4764-52-0x0000000007370000-0x00000000079EA000-memory.dmp

      Filesize

      6.5MB

    • memory/4764-21-0x0000000004930000-0x0000000004952000-memory.dmp

      Filesize

      136KB

    • memory/4764-23-0x00000000052A0000-0x0000000005306000-memory.dmp

      Filesize

      408KB

    • memory/4764-15-0x0000000002120000-0x0000000002156000-memory.dmp

      Filesize

      216KB

    • memory/4764-40-0x0000000071630000-0x000000007167C000-memory.dmp

      Filesize

      304KB

    • memory/4764-19-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4764-37-0x0000000005A00000-0x0000000005A1E000-memory.dmp

      Filesize

      120KB

    • memory/4764-38-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

      Filesize

      304KB

    • memory/4764-39-0x0000000005FD0000-0x0000000006002000-memory.dmp

      Filesize

      200KB

    • memory/4764-35-0x0000000005510000-0x0000000005864000-memory.dmp

      Filesize

      3.3MB

    • memory/4764-50-0x0000000006BD0000-0x0000000006BEE000-memory.dmp

      Filesize

      120KB

    • memory/4764-51-0x0000000006BF0000-0x0000000006C93000-memory.dmp

      Filesize

      652KB

    • memory/4764-22-0x00000000049D0000-0x0000000004A36000-memory.dmp

      Filesize

      408KB

    • memory/4764-53-0x0000000006D30000-0x0000000006D4A000-memory.dmp

      Filesize

      104KB

    • memory/4764-54-0x0000000006DA0000-0x0000000006DAA000-memory.dmp

      Filesize

      40KB

    • memory/4764-55-0x0000000006FB0000-0x0000000007046000-memory.dmp

      Filesize

      600KB

    • memory/4764-56-0x0000000006F30000-0x0000000006F41000-memory.dmp

      Filesize

      68KB

    • memory/4764-57-0x0000000006F60000-0x0000000006F6E000-memory.dmp

      Filesize

      56KB

    • memory/4764-58-0x0000000006F70000-0x0000000006F84000-memory.dmp

      Filesize

      80KB

    • memory/4764-59-0x0000000007070000-0x000000000708A000-memory.dmp

      Filesize

      104KB

    • memory/4764-60-0x0000000007050000-0x0000000007058000-memory.dmp

      Filesize

      32KB

    • memory/4764-63-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4764-18-0x0000000004BC0000-0x00000000051E8000-memory.dmp

      Filesize

      6.2MB

    • memory/4764-16-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB