Analysis

  • max time kernel
    130s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2025, 04:04

General

  • Target

    8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.exe

  • Size

    903KB

  • MD5

    38031f96c7d473b3983b2ebee3bea4da

  • SHA1

    caf072e0231ff27bdb6cda56e8827f16701e5260

  • SHA256

    8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb

  • SHA512

    2541fa8a67fc5b7af7d0cf46399207603cab7d6e09ef9fdbb9573262f9c660bc3f825ec919847a1c905ffd073ae56d7980ba1260ad794f58d3b9508ee739c1c8

  • SSDEEP

    12288:5dOWSuneCyT2+gGSulAcbFYTph89ubLV+Y1mYtY+sxbfcgJK5eBKCe0BRv8iwBbT:rDnefNblIbL33tY+iEgJK5ew+kND

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7761905719:AAFoSgeBxg11MjKK1qWCOx87Kommp_rrKRk/sendMessage?chat_id=7319393351

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger 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 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 13 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\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.exe
    "C:\Users\Admin\AppData\Local\Temp\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.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:2264
    • 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\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3236
    • C:\Users\Admin\AppData\Local\Temp\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.exe
      "C:\Users\Admin\AppData\Local\Temp\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.exe"
      2⤵
        PID:4828
      • C:\Users\Admin\AppData\Local\Temp\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.exe
        "C:\Users\Admin\AppData\Local\Temp\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.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:3228

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8e5bf344843fe1296726970d4ca68f6c6d64b57140b4c3f31887c044cdcaedeb.exe.log

      Filesize

      1KB

      MD5

      7ef67a0a2b1e31df887adcdaf86e4bbd

      SHA1

      348aad52be33f1a0c477e2ace332ecf91bb0e1a8

      SHA256

      af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

      SHA512

      4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2hrba2ey.h4p.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2264-10-0x00000000062D0000-0x000000000635E000-memory.dmp

      Filesize

      568KB

    • memory/2264-15-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/2264-4-0x0000000004E80000-0x0000000004F1C000-memory.dmp

      Filesize

      624KB

    • memory/2264-5-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

      Filesize

      40KB

    • memory/2264-6-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/2264-7-0x0000000005150000-0x0000000005168000-memory.dmp

      Filesize

      96KB

    • memory/2264-8-0x000000007489E000-0x000000007489F000-memory.dmp

      Filesize

      4KB

    • memory/2264-9-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/2264-2-0x0000000005390000-0x0000000005934000-memory.dmp

      Filesize

      5.6MB

    • memory/2264-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp

      Filesize

      584KB

    • memory/2264-1-0x0000000000420000-0x0000000000504000-memory.dmp

      Filesize

      912KB

    • memory/2264-0-0x000000007489E000-0x000000007489F000-memory.dmp

      Filesize

      4KB

    • memory/3228-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3228-63-0x0000000006BF0000-0x0000000006C40000-memory.dmp

      Filesize

      320KB

    • memory/3228-17-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/3228-62-0x0000000006D70000-0x0000000006F32000-memory.dmp

      Filesize

      1.8MB

    • memory/3228-61-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/3228-14-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/3236-22-0x0000000005F20000-0x0000000005F86000-memory.dmp

      Filesize

      408KB

    • memory/3236-49-0x0000000007E90000-0x000000000850A000-memory.dmp

      Filesize

      6.5MB

    • memory/3236-20-0x0000000005550000-0x0000000005572000-memory.dmp

      Filesize

      136KB

    • memory/3236-21-0x0000000005670000-0x00000000056D6000-memory.dmp

      Filesize

      408KB

    • memory/3236-33-0x0000000005F90000-0x00000000062E4000-memory.dmp

      Filesize

      3.3MB

    • memory/3236-34-0x0000000006520000-0x000000000653E000-memory.dmp

      Filesize

      120KB

    • memory/3236-35-0x0000000006A90000-0x0000000006ADC000-memory.dmp

      Filesize

      304KB

    • memory/3236-36-0x0000000006AF0000-0x0000000006B22000-memory.dmp

      Filesize

      200KB

    • memory/3236-37-0x00000000702C0000-0x000000007030C000-memory.dmp

      Filesize

      304KB

    • memory/3236-47-0x0000000006B30000-0x0000000006B4E000-memory.dmp

      Filesize

      120KB

    • memory/3236-48-0x0000000007710000-0x00000000077B3000-memory.dmp

      Filesize

      652KB

    • memory/3236-23-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/3236-50-0x0000000007850000-0x000000000786A000-memory.dmp

      Filesize

      104KB

    • memory/3236-51-0x00000000078C0000-0x00000000078CA000-memory.dmp

      Filesize

      40KB

    • memory/3236-52-0x0000000007AD0000-0x0000000007B66000-memory.dmp

      Filesize

      600KB

    • memory/3236-53-0x0000000007A50000-0x0000000007A61000-memory.dmp

      Filesize

      68KB

    • memory/3236-54-0x0000000007A80000-0x0000000007A8E000-memory.dmp

      Filesize

      56KB

    • memory/3236-55-0x0000000007A90000-0x0000000007AA4000-memory.dmp

      Filesize

      80KB

    • memory/3236-56-0x0000000007B90000-0x0000000007BAA000-memory.dmp

      Filesize

      104KB

    • memory/3236-57-0x0000000007B70000-0x0000000007B78000-memory.dmp

      Filesize

      32KB

    • memory/3236-60-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/3236-19-0x0000000005880000-0x0000000005EA8000-memory.dmp

      Filesize

      6.2MB

    • memory/3236-18-0x0000000002C00000-0x0000000002C36000-memory.dmp

      Filesize

      216KB

    • memory/3236-16-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB