Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 16:25

General

  • Target

    5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe

  • Size

    982KB

  • MD5

    89768b71499c0eb974853e8e3f0cf5c4

  • SHA1

    be5b1ac72323e8e92643d3e0804d83b902ba486b

  • SHA256

    5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8

  • SHA512

    badad67ac5109fe02d03f6685329ca30a057eb7b07706a1508854f86fd1339d578147e5beee0e084dc7eb6046288da26aefdbfea4e222eda005205307d962654

  • SSDEEP

    24576:gWTx232DgTe6ATI2Kw5JdnFjXX7juCCmOhsN:jAV3ATIts1VXPuBh

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
    "C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.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:5052
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ejRwJRECzTJTn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1436
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ejRwJRECzTJTn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD810.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3596
    • C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
      "C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:3080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rai20gbg.dsx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD810.tmp

    Filesize

    1KB

    MD5

    9d34db407e51361b6f0910f221d6cadf

    SHA1

    8ffe8051018a9bad449c59c469ec8355d5980b68

    SHA256

    9ec0955407b8c4e0dbddcdec326b614263fe38d77d55c6b018bdc8cd65f54285

    SHA512

    60afafc61941705351f7c7caa44a1bf02039dd7882984b6cf402f5e860e1c264e7a8a9041e923eae26c103cc57a8271599e40bee528e712d9a43959d409340be

  • memory/1436-56-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

    Filesize

    64KB

  • memory/1436-36-0x0000000005DF0000-0x0000000006144000-memory.dmp

    Filesize

    3.3MB

  • memory/1436-57-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

    Filesize

    64KB

  • memory/1436-37-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1436-67-0x0000000007A50000-0x0000000007A58000-memory.dmp

    Filesize

    32KB

  • memory/1436-66-0x0000000007A70000-0x0000000007A8A000-memory.dmp

    Filesize

    104KB

  • memory/1436-65-0x0000000007970000-0x0000000007984000-memory.dmp

    Filesize

    80KB

  • memory/1436-64-0x0000000007960000-0x000000000796E000-memory.dmp

    Filesize

    56KB

  • memory/1436-63-0x0000000007930000-0x0000000007941000-memory.dmp

    Filesize

    68KB

  • memory/1436-15-0x0000000002AD0000-0x0000000002B06000-memory.dmp

    Filesize

    216KB

  • memory/1436-17-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1436-16-0x00000000055E0000-0x0000000005C08000-memory.dmp

    Filesize

    6.2MB

  • memory/1436-62-0x00000000079B0000-0x0000000007A46000-memory.dmp

    Filesize

    600KB

  • memory/1436-19-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1436-20-0x0000000005540000-0x0000000005562000-memory.dmp

    Filesize

    136KB

  • memory/1436-59-0x0000000007D70000-0x00000000083EA000-memory.dmp

    Filesize

    6.5MB

  • memory/1436-58-0x0000000007400000-0x00000000074A3000-memory.dmp

    Filesize

    652KB

  • memory/1436-21-0x0000000005D10000-0x0000000005D76000-memory.dmp

    Filesize

    408KB

  • memory/1436-22-0x0000000005D80000-0x0000000005DE6000-memory.dmp

    Filesize

    408KB

  • memory/1436-61-0x00000000077A0000-0x00000000077AA000-memory.dmp

    Filesize

    40KB

  • memory/1436-70-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1436-60-0x0000000007730000-0x000000000774A000-memory.dmp

    Filesize

    104KB

  • memory/1436-55-0x0000000006A30000-0x0000000006A4E000-memory.dmp

    Filesize

    120KB

  • memory/1436-42-0x00000000064A0000-0x00000000064EC000-memory.dmp

    Filesize

    304KB

  • memory/1436-41-0x0000000006400000-0x000000000641E000-memory.dmp

    Filesize

    120KB

  • memory/1436-43-0x000000007FD60000-0x000000007FD70000-memory.dmp

    Filesize

    64KB

  • memory/1436-45-0x00000000711F0000-0x000000007123C000-memory.dmp

    Filesize

    304KB

  • memory/1436-44-0x00000000069C0000-0x00000000069F2000-memory.dmp

    Filesize

    200KB

  • memory/3080-23-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3080-25-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3080-71-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/5052-5-0x0000000005140000-0x000000000514A000-memory.dmp

    Filesize

    40KB

  • memory/5052-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

    Filesize

    4KB

  • memory/5052-3-0x0000000004F80000-0x0000000005012000-memory.dmp

    Filesize

    584KB

  • memory/5052-1-0x00000000004C0000-0x00000000005BC000-memory.dmp

    Filesize

    1008KB

  • memory/5052-2-0x00000000055E0000-0x0000000005B84000-memory.dmp

    Filesize

    5.6MB

  • memory/5052-10-0x0000000006430000-0x00000000064F0000-memory.dmp

    Filesize

    768KB

  • memory/5052-9-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5052-8-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

    Filesize

    4KB

  • memory/5052-7-0x00000000055C0000-0x00000000055DA000-memory.dmp

    Filesize

    104KB

  • memory/5052-6-0x00000000052B0000-0x000000000534C000-memory.dmp

    Filesize

    624KB

  • memory/5052-38-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5052-4-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB