Analysis

  • max time kernel
    82s
  • max time network
    69s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2025, 18:01

General

  • Target

    7c35204a5863ea44adbf5847eb13cc8df8c925ab81e41ac276dc53587e68e2f0N.exe

  • Size

    760KB

  • MD5

    270406f122f37d2478625a3cda809730

  • SHA1

    3951cb806a9a864fe4e0ed683dadc9057ea6456f

  • SHA256

    7c35204a5863ea44adbf5847eb13cc8df8c925ab81e41ac276dc53587e68e2f0

  • SHA512

    3ce6331bd192a490707ed77d0c0fc119672dd5c73df7089d307394f35f699371af48f5fabd78c7807d4eb79743a7807c34bed6a96d8df87256647187655331e9

  • SSDEEP

    12288:fxgmsYPwgsmo23bPgGgUIr26awlYdPRGM821ZUuyybblBgMBVn0p:pSYP3VoVvO6mPc+UuZbnBVn0

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7371892501:AAE6c_q-yLsVj82ZZEmMuRlQtTm95MBjCz0/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.

  • 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 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\7c35204a5863ea44adbf5847eb13cc8df8c925ab81e41ac276dc53587e68e2f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\7c35204a5863ea44adbf5847eb13cc8df8c925ab81e41ac276dc53587e68e2f0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OCLBHcG.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OCLBHcG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF9C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1796
    • C:\Users\Admin\AppData\Local\Temp\7c35204a5863ea44adbf5847eb13cc8df8c925ab81e41ac276dc53587e68e2f0N.exe
      "C:\Users\Admin\AppData\Local\Temp\7c35204a5863ea44adbf5847eb13cc8df8c925ab81e41ac276dc53587e68e2f0N.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:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEF9C.tmp

    Filesize

    1KB

    MD5

    b1e2b1452bec278ab3a3a53d2f7ee596

    SHA1

    5dfd47a86927a6daf0f22fa5cb96fcc72a9bba3a

    SHA256

    bd336ee2149af5ba1d6077d039ef474c017234c1579e2fe57537fc28b14ad89e

    SHA512

    4de2b39046df6d1b8cc13f17b4669623b5ccfe8dae54a7ecb59adb78182694ea5892c63880de54d1baf7cfe2979c92b2b2d9d8b975e775ef64b090ec9ca2d14c

  • memory/2712-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2712-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2712-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2712-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2712-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2712-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2712-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2712-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3036-4-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/3036-14-0x00000000041A0000-0x00000000041E8000-memory.dmp

    Filesize

    288KB

  • memory/3036-6-0x0000000002020000-0x00000000020AE000-memory.dmp

    Filesize

    568KB

  • memory/3036-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3036-0-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/3036-3-0x00000000003A0000-0x00000000003BE000-memory.dmp

    Filesize

    120KB

  • memory/3036-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3036-1-0x00000000009C0000-0x0000000000A84000-memory.dmp

    Filesize

    784KB

  • memory/3036-27-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB