Analysis

  • max time kernel
    144s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2025, 04:43

General

  • Target

    Details.exe

  • Size

    870KB

  • MD5

    e0ec839764ae56e62e9364e23041b3db

  • SHA1

    ae987318340ef295de371a02e9602138dae8402c

  • SHA256

    8ea6760f51cdc21cc0a0fb1ed6503eb018afd2074b2a0bde8a8b1b3cb07731e3

  • SHA512

    1e53321b77d55dd7a8dbebbf1c7a09da7875bd90c95e19e14f43cebfc089d929a947746148a8d88e7e92431445c88802eb3350f46f1520c152a8e44b08f8df32

  • SSDEEP

    24576:pg++eYJ0vd8uDrB+UocB1RfpePcsGOFh:C++eYKe8rHjDREPcsrF

Malware Config

Extracted

Family

darkcloud

C2

https://api.telegram.org/bot7725030292:AAFHYtQUWDdOhIko2DIqyexjh4XvUaOA1Fs/sendMessage?chat_id=6732456666

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 5 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Details.exe
    "C:\Users\Admin\AppData\Local\Temp\Details.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4048
    • 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\Details.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4116
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VPmLZviJwp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4968
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VPmLZviJwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0B0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1896
    • C:\Users\Admin\AppData\Local\Temp\Details.exe
      "C:\Users\Admin\AppData\Local\Temp\Details.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    ba0072cba7c95862b51417d976bbd530

    SHA1

    0e6fa8857e5cfc954942b929552c9dee3b476fc7

    SHA256

    d6793e51eada4e066ace3b49c9bb2022cec7a51d2bed076f6e4ec7de7af326f3

    SHA512

    4dbda3735a07965e613577faccf66dda7927bcf5959d6af95b18ef1b8c18c6fb31ec1ffcc6626508dbd74d973aea273974e8b7f9c215bec84867ed240b73aead

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2purohnw.2he.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA0B0.tmp

    Filesize

    1KB

    MD5

    71f7d2ae07f90edce24d18df75c35bcb

    SHA1

    fd8773cc56c5fe22070e0a1aed05d5b5fb359e64

    SHA256

    4dc13f1dad120e1bee53f76cdfaaba55d1272ae53dd5371b81038bf569f7e490

    SHA512

    06852de4fe8b6536e816993d49323f55c6d16a0edac0141db1933f331052b84032757568f6612a771969a3d5df37a629344b639f06f975ead6d0d71967000f3b

  • memory/1664-46-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1664-47-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/4048-8-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-7-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/4048-6-0x0000000005C30000-0x0000000005C40000-memory.dmp

    Filesize

    64KB

  • memory/4048-9-0x0000000006C60000-0x0000000006D1C000-memory.dmp

    Filesize

    752KB

  • memory/4048-10-0x0000000009470000-0x000000000950C000-memory.dmp

    Filesize

    624KB

  • memory/4048-5-0x00000000058D0000-0x00000000058DA000-memory.dmp

    Filesize

    40KB

  • memory/4048-0-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/4048-4-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-51-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-3-0x00000000058F0000-0x0000000005982000-memory.dmp

    Filesize

    584KB

  • memory/4048-2-0x0000000005EA0000-0x0000000006444000-memory.dmp

    Filesize

    5.6MB

  • memory/4048-1-0x0000000000E00000-0x0000000000EE0000-memory.dmp

    Filesize

    896KB

  • memory/4116-16-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-66-0x0000000007070000-0x0000000007113000-memory.dmp

    Filesize

    652KB

  • memory/4116-21-0x0000000005090000-0x00000000050B2000-memory.dmp

    Filesize

    136KB

  • memory/4116-40-0x0000000005890000-0x0000000005BE4000-memory.dmp

    Filesize

    3.3MB

  • memory/4116-15-0x0000000002510000-0x0000000002546000-memory.dmp

    Filesize

    216KB

  • memory/4116-91-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-17-0x00000000051F0000-0x0000000005818000-memory.dmp

    Filesize

    6.2MB

  • memory/4116-23-0x0000000005820000-0x0000000005886000-memory.dmp

    Filesize

    408KB

  • memory/4116-22-0x0000000005160000-0x00000000051C6000-memory.dmp

    Filesize

    408KB

  • memory/4116-52-0x0000000005E60000-0x0000000005E7E000-memory.dmp

    Filesize

    120KB

  • memory/4116-18-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-53-0x0000000005EF0000-0x0000000005F3C000-memory.dmp

    Filesize

    304KB

  • memory/4116-54-0x0000000006E30000-0x0000000006E62000-memory.dmp

    Filesize

    200KB

  • memory/4116-55-0x00000000751D0000-0x000000007521C000-memory.dmp

    Filesize

    304KB

  • memory/4116-65-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

    Filesize

    120KB

  • memory/4116-24-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-85-0x00000000074A0000-0x00000000074A8000-memory.dmp

    Filesize

    32KB

  • memory/4116-77-0x00000000077D0000-0x0000000007E4A000-memory.dmp

    Filesize

    6.5MB

  • memory/4116-78-0x0000000007180000-0x000000000719A000-memory.dmp

    Filesize

    104KB

  • memory/4116-79-0x0000000007200000-0x000000000720A000-memory.dmp

    Filesize

    40KB

  • memory/4116-80-0x0000000007400000-0x0000000007496000-memory.dmp

    Filesize

    600KB

  • memory/4968-81-0x0000000007A70000-0x0000000007A81000-memory.dmp

    Filesize

    68KB

  • memory/4968-82-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

    Filesize

    56KB

  • memory/4968-83-0x0000000007AB0000-0x0000000007AC4000-memory.dmp

    Filesize

    80KB

  • memory/4968-84-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

    Filesize

    104KB

  • memory/4968-67-0x00000000751D0000-0x000000007521C000-memory.dmp

    Filesize

    304KB

  • memory/4968-19-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-20-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-92-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-45-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB