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
    07/03/2025, 11:40

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:4484
    • 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:4560
    • 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:1044
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VPmLZviJwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE714.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3944
    • 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:3332

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

    5554157538ab781ea168aa24956e1e14

    SHA1

    909f0b9c17b49c33d1f24b7d1ac9cf8cfd2cbe91

    SHA256

    9ae1fa682c4529a26dc610c9376a0dd476ee3ada1265c6e5596a31910715da97

    SHA512

    1ff0c1993d918029f879fb583b80efa7c875ea4a73a19d200d8c00d0358cf2bf54da55ff48cf0d0b271dbe51e4c835343382f21397bfc8c044bf7489fee9b2ed

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tmrigwln.qyo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE714.tmp

    Filesize

    1KB

    MD5

    f08aaab7330df2c7ddafae1dc501d634

    SHA1

    ac3c9d631580456872775c334f5ae490f3500df6

    SHA256

    4ff7857726bcf865303cb018f8f4f7e432b3bf6617a9e65f2af1d4f9ad077be4

    SHA512

    86ac24060b8900120d3b10058110eb68e1e0fa0d3795ffbe1d66df94075af3521f35daf6c9198e23c30f9b04e4c6149b7b149e300db2a8c381e30830e0f5cb5c

  • memory/1044-21-0x0000000005180000-0x00000000051E6000-memory.dmp

    Filesize

    408KB

  • memory/1044-20-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1044-84-0x0000000007820000-0x000000000783A000-memory.dmp

    Filesize

    104KB

  • memory/1044-66-0x00000000071A0000-0x0000000007243000-memory.dmp

    Filesize

    652KB

  • memory/1044-54-0x0000000007160000-0x0000000007192000-memory.dmp

    Filesize

    200KB

  • memory/1044-65-0x0000000007120000-0x000000000713E000-memory.dmp

    Filesize

    120KB

  • memory/1044-55-0x0000000074CC0000-0x0000000074D0C000-memory.dmp

    Filesize

    304KB

  • memory/1044-53-0x00000000061F0000-0x000000000623C000-memory.dmp

    Filesize

    304KB

  • memory/1044-52-0x00000000061B0000-0x00000000061CE000-memory.dmp

    Filesize

    120KB

  • memory/1044-19-0x00000000050E0000-0x0000000005102000-memory.dmp

    Filesize

    136KB

  • memory/1044-91-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1044-22-0x00000000051F0000-0x0000000005256000-memory.dmp

    Filesize

    408KB

  • memory/1044-83-0x0000000007720000-0x0000000007734000-memory.dmp

    Filesize

    80KB

  • memory/1044-24-0x0000000005B70000-0x0000000005EC4000-memory.dmp

    Filesize

    3.3MB

  • memory/1044-23-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1044-25-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1044-85-0x0000000007800000-0x0000000007808000-memory.dmp

    Filesize

    32KB

  • memory/3332-38-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/3332-39-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/4484-3-0x0000000004C90000-0x0000000004D22000-memory.dmp

    Filesize

    584KB

  • memory/4484-1-0x0000000000200000-0x00000000002E0000-memory.dmp

    Filesize

    896KB

  • memory/4484-51-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4484-5-0x0000000004D60000-0x0000000004D6A000-memory.dmp

    Filesize

    40KB

  • memory/4484-2-0x0000000005350000-0x00000000058F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4484-0-0x000000007443E000-0x000000007443F000-memory.dmp

    Filesize

    4KB

  • memory/4484-4-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4484-10-0x0000000008830000-0x00000000088CC000-memory.dmp

    Filesize

    624KB

  • memory/4484-9-0x0000000005E10000-0x0000000005ECC000-memory.dmp

    Filesize

    752KB

  • memory/4484-8-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4484-7-0x000000007443E000-0x000000007443F000-memory.dmp

    Filesize

    4KB

  • memory/4484-6-0x0000000005340000-0x0000000005350000-memory.dmp

    Filesize

    64KB

  • memory/4560-17-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-78-0x00000000071B0000-0x00000000071CA000-memory.dmp

    Filesize

    104KB

  • memory/4560-79-0x0000000007220000-0x000000000722A000-memory.dmp

    Filesize

    40KB

  • memory/4560-80-0x0000000007430000-0x00000000074C6000-memory.dmp

    Filesize

    600KB

  • memory/4560-81-0x00000000073B0000-0x00000000073C1000-memory.dmp

    Filesize

    68KB

  • memory/4560-82-0x00000000073E0000-0x00000000073EE000-memory.dmp

    Filesize

    56KB

  • memory/4560-77-0x00000000077F0000-0x0000000007E6A000-memory.dmp

    Filesize

    6.5MB

  • memory/4560-67-0x0000000074CC0000-0x0000000074D0C000-memory.dmp

    Filesize

    304KB

  • memory/4560-26-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-92-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-18-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-16-0x0000000005260000-0x0000000005888000-memory.dmp

    Filesize

    6.2MB

  • memory/4560-15-0x0000000002610000-0x0000000002646000-memory.dmp

    Filesize

    216KB