Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2024, 03:50

General

  • Target

    a8eca83cef071c5b20e34a9bcafb0249e47bbd5bf6f88b757709ae30dc728a37.exe

  • Size

    770KB

  • MD5

    e6b6328f94b06e21b2a4556fe22041d8

  • SHA1

    d1722b7eb85c485af494e9626298c9419434d2e0

  • SHA256

    a8eca83cef071c5b20e34a9bcafb0249e47bbd5bf6f88b757709ae30dc728a37

  • SHA512

    177b88dc9331d5a37632e180da78d6dc8d19d69ca50abb578b793faffced78d9a1d94a4bac8f3ca61da74a98599a755dcb97bc3fa9e103f093b98914543beec5

  • SSDEEP

    24576:5Z1zGUxjLyztkUcC8hEQR1OAwAjSRCr10QUgx8:5Lpyzyrv7m8r10QUgx8

Malware Config

Extracted

Family

vipkeylogger

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 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8eca83cef071c5b20e34a9bcafb0249e47bbd5bf6f88b757709ae30dc728a37.exe
    "C:\Users\Admin\AppData\Local\Temp\a8eca83cef071c5b20e34a9bcafb0249e47bbd5bf6f88b757709ae30dc728a37.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:3916
    • 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\a8eca83cef071c5b20e34a9bcafb0249e47bbd5bf6f88b757709ae30dc728a37.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
    • C:\Users\Admin\AppData\Local\Temp\a8eca83cef071c5b20e34a9bcafb0249e47bbd5bf6f88b757709ae30dc728a37.exe
      "C:\Users\Admin\AppData\Local\Temp\a8eca83cef071c5b20e34a9bcafb0249e47bbd5bf6f88b757709ae30dc728a37.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qvzda2it.0gf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1864-51-0x0000000007040000-0x000000000704A000-memory.dmp

    Filesize

    40KB

  • memory/1864-15-0x0000000002380000-0x00000000023B6000-memory.dmp

    Filesize

    216KB

  • memory/1864-60-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/1864-57-0x00000000072F0000-0x00000000072F8000-memory.dmp

    Filesize

    32KB

  • memory/1864-56-0x0000000007310000-0x000000000732A000-memory.dmp

    Filesize

    104KB

  • memory/1864-55-0x0000000007210000-0x0000000007224000-memory.dmp

    Filesize

    80KB

  • memory/1864-54-0x0000000007200000-0x000000000720E000-memory.dmp

    Filesize

    56KB

  • memory/1864-53-0x00000000071D0000-0x00000000071E1000-memory.dmp

    Filesize

    68KB

  • memory/1864-52-0x0000000007250000-0x00000000072E6000-memory.dmp

    Filesize

    600KB

  • memory/1864-49-0x0000000007610000-0x0000000007C8A000-memory.dmp

    Filesize

    6.5MB

  • memory/1864-50-0x0000000006FD0000-0x0000000006FEA000-memory.dmp

    Filesize

    104KB

  • memory/1864-48-0x0000000006EB0000-0x0000000006F53000-memory.dmp

    Filesize

    652KB

  • memory/1864-47-0x0000000006270000-0x000000000628E000-memory.dmp

    Filesize

    120KB

  • memory/1864-34-0x00000000061E0000-0x000000000622C000-memory.dmp

    Filesize

    304KB

  • memory/1864-16-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/1864-36-0x0000000006E70000-0x0000000006EA2000-memory.dmp

    Filesize

    200KB

  • memory/1864-18-0x0000000004E60000-0x0000000005488000-memory.dmp

    Filesize

    6.2MB

  • memory/1864-21-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB

  • memory/1864-22-0x0000000005670000-0x00000000056D6000-memory.dmp

    Filesize

    408KB

  • memory/1864-37-0x0000000070770000-0x00000000707BC000-memory.dmp

    Filesize

    304KB

  • memory/1864-32-0x00000000056E0000-0x0000000005A34000-memory.dmp

    Filesize

    3.3MB

  • memory/1864-20-0x0000000004DE0000-0x0000000004E02000-memory.dmp

    Filesize

    136KB

  • memory/1864-19-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/1864-33-0x0000000005C80000-0x0000000005C9E000-memory.dmp

    Filesize

    120KB

  • memory/1864-35-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/3916-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

    Filesize

    5.6MB

  • memory/3916-4-0x00000000050B0000-0x00000000050BA000-memory.dmp

    Filesize

    40KB

  • memory/3916-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

    Filesize

    584KB

  • memory/3916-13-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/3916-1-0x0000000000590000-0x0000000000656000-memory.dmp

    Filesize

    792KB

  • memory/3916-5-0x0000000005180000-0x000000000521C000-memory.dmp

    Filesize

    624KB

  • memory/3916-10-0x0000000008190000-0x000000000821E000-memory.dmp

    Filesize

    568KB

  • memory/3916-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

    Filesize

    4KB

  • memory/3916-9-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/3916-8-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

    Filesize

    4KB

  • memory/3916-7-0x00000000054E0000-0x00000000054F8000-memory.dmp

    Filesize

    96KB

  • memory/3916-6-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4580-14-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-17-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-61-0x0000000074D60000-0x0000000075510000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-62-0x0000000006BF0000-0x0000000006DB2000-memory.dmp

    Filesize

    1.8MB

  • memory/4580-63-0x0000000006A90000-0x0000000006AE0000-memory.dmp

    Filesize

    320KB

  • memory/4580-64-0x00000000072F0000-0x000000000781C000-memory.dmp

    Filesize

    5.2MB