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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 02:10

General

  • Target

    041b2aedd7ad9d758f0050d0e016b89c4f136081c1f9b442ffc24b3f7afbbf0c.vbs

  • Size

    15KB

  • MD5

    bcb612e1b6c71a2a1abd92a00db83b7e

  • SHA1

    7416472e00f07753fb801e6afad7462a848fa59b

  • SHA256

    041b2aedd7ad9d758f0050d0e016b89c4f136081c1f9b442ffc24b3f7afbbf0c

  • SHA512

    bd45e8daf9aa07dfbb0e0c728635c8cf7f7c8fd85eacc7f989153de8b6c01aed016632f304749a281e8501eadd469f8448e977bb4b69f2aa5498e5259ffa5d4d

  • SSDEEP

    384:Kzo3hl0ageVAsThoswEOelN91UhtDnj6H+Dded:thHlFzwSf/2tzq+Red

Malware Config

Extracted

Family

darkvision

C2

acuweld.ddns.net

Signatures

  • DarkVision Rat

    DarkVision Rat is a trojan written in C++.

  • Darkvision family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3328
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\041b2aedd7ad9d758f0050d0e016b89c4f136081c1f9b442ffc24b3f7afbbf0c.vbs"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3924
        • C:\Users\Admin\AppData\Local\Temp\x.exe
          "C:\Users\Admin\AppData\Local\Temp\x.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Drops startup file
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1884
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5504
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\explorers'
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4860
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\explorers'
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0rfm3x55.3br.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\x.exe

      Filesize

      11KB

      MD5

      5550073f13ecf0e63b3244671b14c740

      SHA1

      1fefd4a07ca3c0bf4cd1fffd5ff8ee08c0375734

      SHA256

      a7ce5366211d4f74eff0579d0b905bff4d71b237c796cc82ad623238502a942d

      SHA512

      402fbd9950a75b9e4d29283625079d9f647e7fbea02bc4227ff7eb00669720c6bccd858aee6eb85fc5c5b2e744387d9da1051cbce5dd76ce6082f11a223ce136

    • memory/1884-11-0x00007FFF4FB83000-0x00007FFF4FB85000-memory.dmp

      Filesize

      8KB

    • memory/1884-12-0x0000020C95B30000-0x0000020C95B38000-memory.dmp

      Filesize

      32KB

    • memory/1884-13-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-14-0x0000020CB0290000-0x0000020CB03B2000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-38-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-36-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-48-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-46-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-44-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-42-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-40-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-34-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-32-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-30-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-28-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-24-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-22-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-20-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-18-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-16-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-50-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-26-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-15-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-56-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-58-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-76-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-74-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-72-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-70-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-69-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-66-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-64-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-62-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-60-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-78-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-54-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-52-0x0000020CB0290000-0x0000020CB03AD000-memory.dmp

      Filesize

      1.1MB

    • memory/1884-1338-0x00007FFF4FB83000-0x00007FFF4FB85000-memory.dmp

      Filesize

      8KB

    • memory/1884-1337-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-1339-0x0000020C97850000-0x0000020C978CE000-memory.dmp

      Filesize

      504KB

    • memory/1884-1340-0x0000020CB03B0000-0x0000020CB042A000-memory.dmp

      Filesize

      488KB

    • memory/1884-1341-0x0000020CB0130000-0x0000020CB017C000-memory.dmp

      Filesize

      304KB

    • memory/1884-1342-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-1343-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-1344-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-1345-0x0000020CB04A0000-0x0000020CB04F4000-memory.dmp

      Filesize

      336KB

    • memory/1884-1351-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-1359-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-1358-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/1884-1353-0x00007FFF4FB80000-0x00007FFF50641000-memory.dmp

      Filesize

      10.8MB

    • memory/5504-1360-0x0000000140000000-0x000000014007A000-memory.dmp

      Filesize

      488KB

    • memory/5504-1374-0x0000000140000000-0x000000014007A000-memory.dmp

      Filesize

      488KB

    • memory/5660-1370-0x00000236C53A0000-0x00000236C53C2000-memory.dmp

      Filesize

      136KB