Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 02:18

General

  • Target

    1d35d406169afe6bed77759d2e8e03c858897a7e181e3a83bb013f16c91af4bd.exe

  • Size

    737KB

  • MD5

    1579f7d1a5af2d811a9ade177ca3ed73

  • SHA1

    e126dbb23a1c841a934e5b73bcfebc1c28bd906d

  • SHA256

    1d35d406169afe6bed77759d2e8e03c858897a7e181e3a83bb013f16c91af4bd

  • SHA512

    2271e6c5c1494641f0d96a593b72a29203c0c4d1fc1440dc51a9784d3300a02bd6dfcf3a77f9efe8b84aef12b19097e0dd155dfe379536dca55d3e7cea135e30

  • SSDEEP

    12288:X4doaex+/ZpqCV8W4TFhPPAZD373dAGZ+WMTRnqdmqy+czNKFARjaNIkATn747og:IdFexZCV8jDIV3aWCRnkmqaNAARhN6

Malware Config

Extracted

Family

vipkeylogger

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • Program crash 1 IoCs
  • 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d35d406169afe6bed77759d2e8e03c858897a7e181e3a83bb013f16c91af4bd.exe
    "C:\Users\Admin\AppData\Local\Temp\1d35d406169afe6bed77759d2e8e03c858897a7e181e3a83bb013f16c91af4bd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3396
    • 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\1d35d406169afe6bed77759d2e8e03c858897a7e181e3a83bb013f16c91af4bd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4616
    • C:\Users\Admin\AppData\Local\Temp\1d35d406169afe6bed77759d2e8e03c858897a7e181e3a83bb013f16c91af4bd.exe
      "C:\Users\Admin\AppData\Local\Temp\1d35d406169afe6bed77759d2e8e03c858897a7e181e3a83bb013f16c91af4bd.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 1708
      2⤵
      • Program crash
      PID:5012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3396 -ip 3396
    1⤵
      PID:1040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hvzdjfcd.meg.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3396-1-0x00000000008E0000-0x000000000099E000-memory.dmp

      Filesize

      760KB

    • memory/3396-2-0x0000000005940000-0x0000000005EE4000-memory.dmp

      Filesize

      5.6MB

    • memory/3396-3-0x0000000005390000-0x0000000005422000-memory.dmp

      Filesize

      584KB

    • memory/3396-4-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3396-5-0x0000000005540000-0x000000000554A000-memory.dmp

      Filesize

      40KB

    • memory/3396-6-0x00000000055F0000-0x000000000568C000-memory.dmp

      Filesize

      624KB

    • memory/3396-7-0x0000000005830000-0x0000000005844000-memory.dmp

      Filesize

      80KB

    • memory/3396-8-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/3396-9-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3396-10-0x0000000006AE0000-0x0000000006B6E000-memory.dmp

      Filesize

      568KB

    • memory/3396-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/3396-35-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4272-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/4272-13-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4272-64-0x0000000006C60000-0x000000000718C000-memory.dmp

      Filesize

      5.2MB

    • memory/4272-63-0x0000000006400000-0x0000000006450000-memory.dmp

      Filesize

      320KB

    • memory/4272-62-0x0000000006560000-0x0000000006722000-memory.dmp

      Filesize

      1.8MB

    • memory/4272-61-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4272-15-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-37-0x000000006F9F0000-0x000000006FA3C000-memory.dmp

      Filesize

      304KB

    • memory/4616-51-0x00000000071D0000-0x00000000071DA000-memory.dmp

      Filesize

      40KB

    • memory/4616-14-0x0000000002520000-0x0000000002556000-memory.dmp

      Filesize

      216KB

    • memory/4616-32-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-33-0x0000000005E40000-0x0000000005E5E000-memory.dmp

      Filesize

      120KB

    • memory/4616-34-0x00000000061C0000-0x000000000620C000-memory.dmp

      Filesize

      304KB

    • memory/4616-27-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-36-0x0000000006400000-0x0000000006432000-memory.dmp

      Filesize

      200KB

    • memory/4616-18-0x0000000004F20000-0x0000000004F86000-memory.dmp

      Filesize

      408KB

    • memory/4616-47-0x00000000063E0000-0x00000000063FE000-memory.dmp

      Filesize

      120KB

    • memory/4616-48-0x0000000007020000-0x00000000070C3000-memory.dmp

      Filesize

      652KB

    • memory/4616-49-0x00000000077A0000-0x0000000007E1A000-memory.dmp

      Filesize

      6.5MB

    • memory/4616-50-0x0000000007160000-0x000000000717A000-memory.dmp

      Filesize

      104KB

    • memory/4616-26-0x0000000005860000-0x0000000005BB4000-memory.dmp

      Filesize

      3.3MB

    • memory/4616-52-0x00000000073E0000-0x0000000007476000-memory.dmp

      Filesize

      600KB

    • memory/4616-53-0x0000000007360000-0x0000000007371000-memory.dmp

      Filesize

      68KB

    • memory/4616-54-0x0000000007390000-0x000000000739E000-memory.dmp

      Filesize

      56KB

    • memory/4616-55-0x00000000073A0000-0x00000000073B4000-memory.dmp

      Filesize

      80KB

    • memory/4616-56-0x00000000074A0000-0x00000000074BA000-memory.dmp

      Filesize

      104KB

    • memory/4616-57-0x0000000007480000-0x0000000007488000-memory.dmp

      Filesize

      32KB

    • memory/4616-60-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-20-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-19-0x00000000050C0000-0x0000000005126000-memory.dmp

      Filesize

      408KB

    • memory/4616-17-0x0000000004D80000-0x0000000004DA2000-memory.dmp

      Filesize

      136KB

    • memory/4616-16-0x0000000005130000-0x0000000005758000-memory.dmp

      Filesize

      6.2MB