Analysis

  • max time kernel
    148s
  • 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
    05-12-2024 03:04

General

  • Target

    ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.exe

  • Size

    932KB

  • MD5

    9830cd8c76b33aa3899927ec1e2756f9

  • SHA1

    8f1efb832d8d75566a618d04497b1b8a7fbb46af

  • SHA256

    ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080

  • SHA512

    a2f02adcc38229963e568d95e566fb2ffa0debc48aa7cf4c45f6827d3b1e557e176d9c05a21d6ed08ac77598b7b3f89f1c414cd118b6889e75b8a326d6ff8da4

  • SSDEEP

    24576:izsQ64EX90TgNcHyzD+GMqlZZCjkbaAGB/94k:izsR4m90TicHODRZCjaaAmF4

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 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 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 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.exe
    "C:\Users\Admin\AppData\Local\Temp\ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.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:4844
    • 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\ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:376
    • C:\Users\Admin\AppData\Local\Temp\ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.exe
      "C:\Users\Admin\AppData\Local\Temp\ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.exe"
      2⤵
        PID:2944
      • C:\Users\Admin\AppData\Local\Temp\ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.exe
        "C:\Users\Admin\AppData\Local\Temp\ab759cad1fec2080bc6f4188341bc20dd606b7318d86ce38282c8971bd94f080.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:1796

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aahuu4vj.2lb.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/376-51-0x0000000007C90000-0x0000000007C9A000-memory.dmp

      Filesize

      40KB

    • memory/376-15-0x0000000002FE0000-0x0000000003016000-memory.dmp

      Filesize

      216KB

    • memory/376-60-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/376-33-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/376-57-0x0000000007F40000-0x0000000007F48000-memory.dmp

      Filesize

      32KB

    • memory/376-56-0x0000000007F60000-0x0000000007F7A000-memory.dmp

      Filesize

      104KB

    • memory/376-55-0x0000000007E60000-0x0000000007E74000-memory.dmp

      Filesize

      80KB

    • memory/376-54-0x0000000007E50000-0x0000000007E5E000-memory.dmp

      Filesize

      56KB

    • memory/376-53-0x0000000007E20000-0x0000000007E31000-memory.dmp

      Filesize

      68KB

    • memory/376-52-0x0000000007EA0000-0x0000000007F36000-memory.dmp

      Filesize

      600KB

    • memory/376-28-0x0000000006410000-0x0000000006764000-memory.dmp

      Filesize

      3.3MB

    • memory/376-50-0x0000000007C20000-0x0000000007C3A000-memory.dmp

      Filesize

      104KB

    • memory/376-27-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/376-35-0x0000000006990000-0x00000000069DC000-memory.dmp

      Filesize

      304KB

    • memory/376-49-0x0000000008270000-0x00000000088EA000-memory.dmp

      Filesize

      6.5MB

    • memory/376-17-0x0000000005CE0000-0x0000000006308000-memory.dmp

      Filesize

      6.2MB

    • memory/376-18-0x0000000005970000-0x0000000005992000-memory.dmp

      Filesize

      136KB

    • memory/376-20-0x0000000005BB0000-0x0000000005C16000-memory.dmp

      Filesize

      408KB

    • memory/376-21-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/376-19-0x0000000005A10000-0x0000000005A76000-memory.dmp

      Filesize

      408KB

    • memory/376-48-0x0000000007AD0000-0x0000000007B73000-memory.dmp

      Filesize

      652KB

    • memory/376-47-0x0000000006EB0000-0x0000000006ECE000-memory.dmp

      Filesize

      120KB

    • memory/376-37-0x0000000070D90000-0x0000000070DDC000-memory.dmp

      Filesize

      304KB

    • memory/376-36-0x0000000007880000-0x00000000078B2000-memory.dmp

      Filesize

      200KB

    • memory/376-34-0x0000000006910000-0x000000000692E000-memory.dmp

      Filesize

      120KB

    • memory/1796-13-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/1796-61-0x0000000006760000-0x0000000006922000-memory.dmp

      Filesize

      1.8MB

    • memory/1796-64-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/1796-63-0x0000000006E60000-0x000000000738C000-memory.dmp

      Filesize

      5.2MB

    • memory/1796-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1796-16-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/1796-62-0x0000000006600000-0x0000000006650000-memory.dmp

      Filesize

      320KB

    • memory/4844-9-0x0000000006C00000-0x0000000006C8E000-memory.dmp

      Filesize

      568KB

    • memory/4844-10-0x0000000007980000-0x0000000007A1C000-memory.dmp

      Filesize

      624KB

    • memory/4844-1-0x0000000000D70000-0x0000000000E5E000-memory.dmp

      Filesize

      952KB

    • memory/4844-8-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-7-0x000000007536E000-0x000000007536F000-memory.dmp

      Filesize

      4KB

    • memory/4844-6-0x0000000006AF0000-0x0000000006B08000-memory.dmp

      Filesize

      96KB

    • memory/4844-5-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-3-0x0000000005830000-0x00000000058C2000-memory.dmp

      Filesize

      584KB

    • memory/4844-0-0x000000007536E000-0x000000007536F000-memory.dmp

      Filesize

      4KB

    • memory/4844-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

      Filesize

      5.6MB

    • memory/4844-4-0x0000000005900000-0x000000000590A000-memory.dmp

      Filesize

      40KB

    • memory/4844-14-0x0000000075360000-0x0000000075B10000-memory.dmp

      Filesize

      7.7MB