Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 02:10

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:2064
    • 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:2020
    • 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:1824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 1672
      2⤵
      • Program crash
      PID:2432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
    1⤵
      PID:436

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g2nw4zvh.yd1.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1824-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1824-65-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/1824-64-0x00000000072E0000-0x000000000780C000-memory.dmp

      Filesize

      5.2MB

    • memory/1824-63-0x0000000006A70000-0x0000000006AC0000-memory.dmp

      Filesize

      320KB

    • memory/1824-62-0x0000000006BE0000-0x0000000006DA2000-memory.dmp

      Filesize

      1.8MB

    • memory/1824-61-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/1824-23-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/1824-12-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-18-0x0000000005480000-0x00000000054A2000-memory.dmp

      Filesize

      136KB

    • memory/2020-37-0x000000006F040000-0x000000006F08C000-memory.dmp

      Filesize

      304KB

    • memory/2020-60-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-57-0x0000000007A80000-0x0000000007A88000-memory.dmp

      Filesize

      32KB

    • memory/2020-15-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-14-0x0000000002B10000-0x0000000002B46000-memory.dmp

      Filesize

      216KB

    • memory/2020-16-0x00000000056C0000-0x0000000005CE8000-memory.dmp

      Filesize

      6.2MB

    • memory/2020-20-0x0000000005590000-0x00000000055F6000-memory.dmp

      Filesize

      408KB

    • memory/2020-19-0x0000000005520000-0x0000000005586000-memory.dmp

      Filesize

      408KB

    • memory/2020-21-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-22-0x0000000005CF0000-0x0000000006044000-memory.dmp

      Filesize

      3.3MB

    • memory/2020-56-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

      Filesize

      104KB

    • memory/2020-55-0x00000000079A0000-0x00000000079B4000-memory.dmp

      Filesize

      80KB

    • memory/2020-54-0x0000000007990000-0x000000000799E000-memory.dmp

      Filesize

      56KB

    • memory/2020-17-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-33-0x0000000006410000-0x000000000642E000-memory.dmp

      Filesize

      120KB

    • memory/2020-34-0x00000000064D0000-0x000000000651C000-memory.dmp

      Filesize

      304KB

    • memory/2020-53-0x0000000007960000-0x0000000007971000-memory.dmp

      Filesize

      68KB

    • memory/2020-36-0x00000000069E0000-0x0000000006A12000-memory.dmp

      Filesize

      200KB

    • memory/2020-52-0x00000000079E0000-0x0000000007A76000-memory.dmp

      Filesize

      600KB

    • memory/2020-47-0x0000000006A40000-0x0000000006A5E000-memory.dmp

      Filesize

      120KB

    • memory/2020-48-0x0000000007610000-0x00000000076B3000-memory.dmp

      Filesize

      652KB

    • memory/2020-49-0x0000000007DB0000-0x000000000842A000-memory.dmp

      Filesize

      6.5MB

    • memory/2020-50-0x0000000007760000-0x000000000777A000-memory.dmp

      Filesize

      104KB

    • memory/2020-51-0x00000000077E0000-0x00000000077EA000-memory.dmp

      Filesize

      40KB

    • memory/2064-10-0x0000000006680000-0x000000000670E000-memory.dmp

      Filesize

      568KB

    • memory/2064-35-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2064-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

      Filesize

      4KB

    • memory/2064-6-0x00000000050E0000-0x000000000517C000-memory.dmp

      Filesize

      624KB

    • memory/2064-7-0x00000000050C0000-0x00000000050D4000-memory.dmp

      Filesize

      80KB

    • memory/2064-8-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

      Filesize

      4KB

    • memory/2064-9-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2064-5-0x0000000074A50000-0x0000000075200000-memory.dmp

      Filesize

      7.7MB

    • memory/2064-4-0x0000000004E10000-0x0000000004E1A000-memory.dmp

      Filesize

      40KB

    • memory/2064-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

      Filesize

      584KB

    • memory/2064-2-0x0000000005390000-0x0000000005934000-memory.dmp

      Filesize

      5.6MB

    • memory/2064-1-0x0000000000350000-0x000000000040E000-memory.dmp

      Filesize

      760KB