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Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    14/06/2024, 01:40

General

  • Target

    9c581c4cec9f25a55ee985d08ad3ba40a268aff6ea05aebff399c31f86b98065.exe

  • Size

    3.3MB

  • MD5

    1869978103ed372145fbf14975f8c56e

  • SHA1

    a15f53cb65e2ecfd3c5112711cceb30b9ab88257

  • SHA256

    9c581c4cec9f25a55ee985d08ad3ba40a268aff6ea05aebff399c31f86b98065

  • SHA512

    b306f831e52bc468ee862afc5909dd6e98f3fab2dca12cb2536f2f4dcdfd919bdf6290dee8dc9c5bffc5a52d808834a5489cb3f403af053bb805d66ce6ecd6a6

  • SSDEEP

    24576:0Ln4nHjmrtOSkcMfMFQtpHv85qvdE/ta/7SyI:0LnUHjmb0EFQtpHE5qvdE/ADSb

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Adds policy Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\9c581c4cec9f25a55ee985d08ad3ba40a268aff6ea05aebff399c31f86b98065.exe
      "C:\Users\Admin\AppData\Local\Temp\9c581c4cec9f25a55ee985d08ad3ba40a268aff6ea05aebff399c31f86b98065.exe"
      2⤵
      • UAC bypass
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2552
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\9c581c4cec9f25a55ee985d08ad3ba40a268aff6ea05aebff399c31f86b98065.exe" -Force
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2224
      • C:\Program Files (x86)\Windows Mail\wab.exe
        "C:\Program Files (x86)\Windows Mail\wab.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2652
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2552 -s 768
        3⤵
          PID:2668
      • C:\Windows\SysWOW64\grpconv.exe
        "C:\Windows\SysWOW64\grpconv.exe"
        2⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2224-13-0x000000001B7E0000-0x000000001BAC2000-memory.dmp

      Filesize

      2.9MB

    • memory/2224-14-0x0000000001E80000-0x0000000001E88000-memory.dmp

      Filesize

      32KB

    • memory/2552-1-0x0000000000F10000-0x0000000000F20000-memory.dmp

      Filesize

      64KB

    • memory/2552-2-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

      Filesize

      9.9MB

    • memory/2552-3-0x0000000000CE0000-0x0000000000D7A000-memory.dmp

      Filesize

      616KB

    • memory/2552-18-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

      Filesize

      9.9MB

    • memory/2552-0-0x000007FEF53B3000-0x000007FEF53B4000-memory.dmp

      Filesize

      4KB

    • memory/2552-17-0x000007FEF53B3000-0x000007FEF53B4000-memory.dmp

      Filesize

      4KB

    • memory/2652-7-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-4-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-5-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-15-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2652-8-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-19-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-21-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-22-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-24-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2652-26-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/2984-25-0x0000000000080000-0x00000000000BF000-memory.dmp

      Filesize

      252KB

    • memory/2984-27-0x0000000000080000-0x00000000000BF000-memory.dmp

      Filesize

      252KB