Analysis

  • max time kernel
    136s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 05:51

General

  • Target

    c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe

  • Size

    679KB

  • MD5

    1edf5823d724ea8da51a635e8cba968c

  • SHA1

    368fd1f557e1ebec00d0ae97b6c86be091f95e19

  • SHA256

    c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155

  • SHA512

    393b896efe7ab9debfcc9c774a766db1a304d58fc6fe74a09a7d36c495a4aeaefc4072244886f88a65737141bfc7def98ae4e2f0eff89d1ed48e41aac8b3b91f

  • SSDEEP

    12288:YGPg/s0yuAt682LufMeJidMx6U0/OQEGzhy6KL2FJKU/InxCQYHoXTZ:CrA8mfMeJidMAUEOQEGlKonYxJYHC

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 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\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe
    "C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.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:1716
    • 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\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3584
    • C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe
      "C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe"
      2⤵
        PID:4336
      • C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe
        "C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2012

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ruloq2rb.prs.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1716-10-0x0000000007F10000-0x0000000007F9E000-memory.dmp

      Filesize

      568KB

    • memory/1716-14-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1716-5-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1716-4-0x00000000051D0000-0x00000000051DA000-memory.dmp

      Filesize

      40KB

    • memory/1716-6-0x00000000054A0000-0x000000000553C000-memory.dmp

      Filesize

      624KB

    • memory/1716-7-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

      Filesize

      4KB

    • memory/1716-8-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1716-9-0x0000000005480000-0x0000000005492000-memory.dmp

      Filesize

      72KB

    • memory/1716-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

      Filesize

      4KB

    • memory/1716-3-0x0000000005270000-0x0000000005302000-memory.dmp

      Filesize

      584KB

    • memory/1716-2-0x0000000005780000-0x0000000005D24000-memory.dmp

      Filesize

      5.6MB

    • memory/1716-1-0x0000000000860000-0x000000000090E000-memory.dmp

      Filesize

      696KB

    • memory/2012-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2012-65-0x0000000006AF0000-0x000000000701C000-memory.dmp

      Filesize

      5.2MB

    • memory/2012-64-0x0000000006270000-0x00000000062C0000-memory.dmp

      Filesize

      320KB

    • memory/2012-63-0x00000000063F0000-0x00000000065B2000-memory.dmp

      Filesize

      1.8MB

    • memory/2012-19-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2012-62-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2012-15-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3584-22-0x0000000006280000-0x00000000062E6000-memory.dmp

      Filesize

      408KB

    • memory/3584-52-0x0000000007CA0000-0x0000000007CAA000-memory.dmp

      Filesize

      40KB

    • memory/3584-21-0x0000000005B50000-0x0000000005B72000-memory.dmp

      Filesize

      136KB

    • memory/3584-25-0x0000000006360000-0x00000000066B4000-memory.dmp

      Filesize

      3.3MB

    • memory/3584-23-0x00000000062F0000-0x0000000006356000-memory.dmp

      Filesize

      408KB

    • memory/3584-35-0x0000000006900000-0x000000000691E000-memory.dmp

      Filesize

      120KB

    • memory/3584-36-0x0000000006930000-0x000000000697C000-memory.dmp

      Filesize

      304KB

    • memory/3584-37-0x0000000006EC0000-0x0000000006EF2000-memory.dmp

      Filesize

      200KB

    • memory/3584-38-0x00000000702C0000-0x000000007030C000-memory.dmp

      Filesize

      304KB

    • memory/3584-48-0x0000000006EA0000-0x0000000006EBE000-memory.dmp

      Filesize

      120KB

    • memory/3584-49-0x0000000007910000-0x00000000079B3000-memory.dmp

      Filesize

      652KB

    • memory/3584-50-0x0000000008270000-0x00000000088EA000-memory.dmp

      Filesize

      6.5MB

    • memory/3584-51-0x0000000007C30000-0x0000000007C4A000-memory.dmp

      Filesize

      104KB

    • memory/3584-24-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3584-53-0x0000000007EB0000-0x0000000007F46000-memory.dmp

      Filesize

      600KB

    • memory/3584-54-0x0000000007E30000-0x0000000007E41000-memory.dmp

      Filesize

      68KB

    • memory/3584-55-0x0000000007E60000-0x0000000007E6E000-memory.dmp

      Filesize

      56KB

    • memory/3584-56-0x0000000007E70000-0x0000000007E84000-memory.dmp

      Filesize

      80KB

    • memory/3584-57-0x0000000007F70000-0x0000000007F8A000-memory.dmp

      Filesize

      104KB

    • memory/3584-58-0x0000000007F50000-0x0000000007F58000-memory.dmp

      Filesize

      32KB

    • memory/3584-61-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3584-20-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3584-18-0x0000000005BE0000-0x0000000006208000-memory.dmp

      Filesize

      6.2MB

    • memory/3584-17-0x0000000074A00000-0x00000000751B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3584-16-0x0000000003000000-0x0000000003036000-memory.dmp

      Filesize

      216KB