Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 13:20

General

  • Target

    UHWNTPFrYcf8vHz.exe

  • Size

    736KB

  • MD5

    fc8becc3799d2cb10e1319e430d4c763

  • SHA1

    5e17360580d531f59a6b2fd9476fb9bdcca04b62

  • SHA256

    8e4108d867c054d193cca6c2f9fcfa7288d7a1b9e6ac9e41ae60cfd15b1e0572

  • SHA512

    4ae0fe413569004a01c0c477a7c883914ccddb296a8c6c2d87c7f0cc99fdf1feb4dbfb1add828a0a6a2a672bc387e13455dfd3b9b3d2e5d92da17275dcd6c0f1

  • SSDEEP

    12288:zWQiKaxoaRsAu/a9KI9TyipyjNpNA/d2JqRtlq6eb/E9Gy4DB6OG12Yx:qQiBRsAubI9Tnpyq/dW+C6j9GxDX+

Malware Config

Extracted

Family

vipkeylogger

Credentials

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 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 5 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UHWNTPFrYcf8vHz.exe
    "C:\Users\Admin\AppData\Local\Temp\UHWNTPFrYcf8vHz.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1776
    • 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\UHWNTPFrYcf8vHz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qGqLFhOJP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2104
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qGqLFhOJP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEEB2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2696
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEEB2.tmp

    Filesize

    1KB

    MD5

    3785c403b6e1adbb33a4ae9289cc1083

    SHA1

    18cde9c1513d23da64231da1e9b786961e9aa190

    SHA256

    bc50b4876e787d43edfa35dd50ee126b25f42b35f1897a49305926d001ca6f60

    SHA512

    d1fc215c3607b4d28cbb77ad5ca3d3e2d3d7500bc7055da1152844404c45b3fec12557b000988925f8cf0e3fe480d416dd28523f1ef74c30614ab0548c5b86e6

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\X7CU6FE2ROLODVY0N51I.temp

    Filesize

    7KB

    MD5

    842314fcc4038a847d14e79e265f35ad

    SHA1

    cf00a616dc35e9e55b9995549f324edddbfc3b02

    SHA256

    80a9047b2eb9533d8e4ab4b84e3aa9108b21821d7648584aea36e05cc50747e6

    SHA512

    6607c15e518a2d2e494c8ea7f89ce9a41a5ad49171755006a4bda1acefd625d51871c7814be94b2f95846c3326ac1c6d553d9ac082bd6c483a2b568596e84633

  • memory/1776-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/1776-32-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1776-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/1776-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1776-6-0x0000000005F70000-0x0000000005FFE000-memory.dmp

    Filesize

    568KB

  • memory/1776-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1776-1-0x00000000000B0000-0x000000000016C000-memory.dmp

    Filesize

    752KB

  • memory/1776-3-0x0000000000700000-0x0000000000718000-memory.dmp

    Filesize

    96KB

  • memory/2780-20-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2780-31-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2780-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2780-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2780-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2780-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2780-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB