Analysis

  • max time kernel
    119s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 02:59

General

  • Target

    b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe

  • Size

    766KB

  • MD5

    245c4d3a899092760b21b3bd44d3aca2

  • SHA1

    0e36e09bfae68d6ba5a671668eccfd2ded99c776

  • SHA256

    b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea

  • SHA512

    a2c627adea14bd687915a48e47529635f58625529f12af3766177683ff73fe681b26c0d33ff3f6722fe201c6d34cd71da3304f3143891a9e058ed9d03916f4af

  • SSDEEP

    12288:0Mr8I0MdYeXY/e1ApfXEnCTzX75mkIQIadeBYilF3YDHFBSukOS19gC76sgFAjku:0MrbxRqfXZ75m16emiX3OlBSuaJLsord

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7305300476:AAEUtST2qu1J2LKdbC6Wuf8pKunuBNKtYtk/sendMessage?chat_id=6750192797

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.

  • 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 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
    "C:\Users\Admin\AppData\Local\Temp\b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NjlsFpztigKJe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NjlsFpztigKJe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8018.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2604
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:1256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8018.tmp

    Filesize

    1KB

    MD5

    082291965faf50dfd6306fa4b8f7d153

    SHA1

    0c8ef6d5e3665fd8268e2ee66dd67ad278c5f65d

    SHA256

    4be3df1ba3aa3266508f09f54311ef60e8b760504affa2c5a45b53bceabae4ee

    SHA512

    1d7631997caf5bb6f45887bd88bcbfd27dd5e268db09a71ebdb3d2871a5e7d8e104ac1ce0eab0731e3507445410c92e651acf0e11f26b7d3414a0dc988db3ba2

  • memory/1256-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1256-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1256-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1256-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1256-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1256-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1256-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1256-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2760-4-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2760-26-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-6-0x0000000004D00000-0x0000000004D8E000-memory.dmp

    Filesize

    568KB

  • memory/2760-5-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-0-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2760-3-0x0000000000600000-0x0000000000618000-memory.dmp

    Filesize

    96KB

  • memory/2760-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-1-0x0000000000A80000-0x0000000000B44000-memory.dmp

    Filesize

    784KB