Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 02:34

General

  • Target

    50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.exe

  • Size

    846KB

  • MD5

    18709f2606d2834d725a5677bdd4d737

  • SHA1

    bbc16514aea1e283ba1863a5db34c71b0f574fc8

  • SHA256

    50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682

  • SHA512

    758d818dd3d252010e612ded4bf4846f053b1ad9c06d5139c7d65c35a9956ee7655c567c9efcfdb24122fe1dd55a324bf30277152da85e56be2f2e656e853b9e

  • SSDEEP

    12288:nFMFoFvNLrJG2FYswEHLwSdNY8O7jbXdhb0mqqbNtYKy0QZURoSGb5hfBMG+wy9n:vFnJNY8KDzqCXW0g2edhf5+wFO

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.

  • 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 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.exe
    "C:\Users\Admin\AppData\Local\Temp\50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • 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\50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDYiGmDlq.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2740
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDYiGmDlq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC88D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.exe
      "C:\Users\Admin\AppData\Local\Temp\50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.exe"
      2⤵
        PID:2840
      • C:\Users\Admin\AppData\Local\Temp\50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.exe
        "C:\Users\Admin\AppData\Local\Temp\50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682.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:2976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC88D.tmp

      Filesize

      1KB

      MD5

      e0538e862ae9d69ec0642f9fba38c305

      SHA1

      c2e68dc2778f1f0d1f33aa2a53b7df55deb3466a

      SHA256

      38c99d5383633fa4a3e6e50d0ae77b3a40245c1fa3680d931483afd649e8209f

      SHA512

      dbe2e12d147cf5de4192a722b69274a0d2e2c46ed92ceeb86fc5e485a6bcfda9e6888a64aa7a2b1a3bb6baa7d257d2633e9f9013461c15f9a2eb03a310ff9fc3

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      024c56e6553e204bcb901b3627724516

      SHA1

      6e1fdcf89d9fc3b624805b6cdc38a9e84c66155c

      SHA256

      8cf5f228c448b65e1197c9113ef618e50bb3b15734e5ed9e85e315575b2a0d08

      SHA512

      e9d1ab26d7e9267e31617c3f2e8e60c26161787dde8492fe33a8d0c84b23a8e5665823c378b98ddebc2b27637f797e99987aa4c44cbad870336d8bcce9395b44

    • memory/2420-4-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

      Filesize

      4KB

    • memory/2420-32-0x0000000074C40000-0x000000007532E000-memory.dmp

      Filesize

      6.9MB

    • memory/2420-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

      Filesize

      4KB

    • memory/2420-5-0x0000000074C40000-0x000000007532E000-memory.dmp

      Filesize

      6.9MB

    • memory/2420-6-0x0000000005430000-0x00000000054BE000-memory.dmp

      Filesize

      568KB

    • memory/2420-2-0x0000000074C40000-0x000000007532E000-memory.dmp

      Filesize

      6.9MB

    • memory/2420-1-0x0000000000870000-0x000000000094A000-memory.dmp

      Filesize

      872KB

    • memory/2420-3-0x00000000006F0000-0x000000000070E000-memory.dmp

      Filesize

      120KB

    • memory/2976-31-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2976-28-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2976-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2976-25-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2976-23-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2976-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2976-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2976-29-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB