Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-02-2025 03:49

General

  • Target

    dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da.exe

  • Size

    1.2MB

  • MD5

    a5956a0bd4e775a24f37a8aec90f298c

  • SHA1

    ca31450f5809e212efb6c8036b5d1e974fcaa34e

  • SHA256

    dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da

  • SHA512

    38e56810020c455634c8143bafe08c34f09f1994a18796a24b1b6ef33728062d7a9c4ecfb573b57a7c284817448f8b3ff45cdd1b54bf5babf9507e097703f58a

  • SSDEEP

    24576:OA9km6k/IwRYbiBeKGC3Ttf4CVmOdorsVRmUq83:f9sk/IRUnjtfVor6F

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7057659630:AAFimyTDK97bk--tGx0V9NZ3l1ggFNh71Fc/sendMessage?chat_id=6898292898

Signatures

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • VIPKeylogger

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

  • Vipkeylogger family
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da.exe
    "C:\Users\Admin\AppData\Local\Temp\dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
      2⤵
      • Drops startup file
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Users\Admin\AppData\Local\Temp\dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da.exe
      "C:\Users\Admin\AppData\Local\Temp\dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da.exe

    Filesize

    1.2MB

    MD5

    a5956a0bd4e775a24f37a8aec90f298c

    SHA1

    ca31450f5809e212efb6c8036b5d1e974fcaa34e

    SHA256

    dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da

    SHA512

    38e56810020c455634c8143bafe08c34f09f1994a18796a24b1b6ef33728062d7a9c4ecfb573b57a7c284817448f8b3ff45cdd1b54bf5babf9507e097703f58a

  • memory/2492-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

    Filesize

    4KB

  • memory/2492-1-0x0000000000A70000-0x0000000000BB0000-memory.dmp

    Filesize

    1.2MB

  • memory/2492-2-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-3-0x0000000004310000-0x0000000004394000-memory.dmp

    Filesize

    528KB

  • memory/2492-4-0x00000000744FE000-0x00000000744FF000-memory.dmp

    Filesize

    4KB

  • memory/2492-5-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-13-0x0000000000770000-0x0000000000778000-memory.dmp

    Filesize

    32KB

  • memory/2788-12-0x000000006F2E0000-0x000000006F88B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-11-0x000000006F2E0000-0x000000006F88B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-10-0x000000006F2E0000-0x000000006F88B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-9-0x000000006F2E0000-0x000000006F88B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-8-0x000000006F2E1000-0x000000006F2E2000-memory.dmp

    Filesize

    4KB

  • memory/2788-29-0x000000006F2E0000-0x000000006F88B000-memory.dmp

    Filesize

    5.7MB

  • memory/2908-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2908-15-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2908-27-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2908-25-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2908-22-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2908-19-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2908-17-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2908-16-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB