Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2025, 07:02

General

  • Target

    4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe

  • Size

    845KB

  • MD5

    1c952627db9f89d810c16e45f7364f5f

  • SHA1

    75087303e05cbe848e3dd2d709542aaa8f5d98c0

  • SHA256

    4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf

  • SHA512

    1ff1cd3b0d685e2fa07714bcddf594507928a116fc33a27615d00859e19e6e4c1dcf0a27c75c52505d12dd086ad8f6cf8f564e56bbd8408cc57d94300112bac4

  • SSDEEP

    24576:yr++eYJ/eRnjnielBiPI/TS1EmUJrJABUGG9Y/assxUfA:y++eYYpnFviw/TS6AI9tsZY

Malware Config

Extracted

Family

darkcloud

C2

https://api.telegram.org/bot7922909971:AAESR5mvezMqr8iz6psLIehHVuWpWpAUuaI/sendMessage?chat_id=7518399906

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.

  • 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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe
    "C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2340
    • 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\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OjzZfu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OjzZfu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2856
    • C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe
      "C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC6F.tmp

    Filesize

    1KB

    MD5

    7edf6cb7b4aa49fe1cbd45bc45826dcb

    SHA1

    9294a5c2c165ae6e09dd7ffba14727ce14291389

    SHA256

    e5e3e34c278c6b02c06d96c36da5a016f20992b8a93a4cbbe8ed5c3c1de59666

    SHA512

    01d9d8d888ec7f0d91c2700b8d316adc2f4e858616d980e190aba2e4e8aa1d330c1c322b0a4b9f52fa7d89f9b55089dd5d2e554f8b935e75f8ee0ea2628628ec

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\AG2B0QEC274DFIV9Z48G.temp

    Filesize

    7KB

    MD5

    98ced1703ff20262e849b2af5f8b5cfc

    SHA1

    55edcf40e14597b5a5605fb988e85d1869306898

    SHA256

    1589d0686b0b70cfb9eed53fe132a3ab17cb2facb82a8e00dfc11f8ffb83bb89

    SHA512

    b5829effdc2357ed652bc221cfd6da5dc87c90f26ca7399d997d4630b86ad18cececb5290fad71309eac11563258d88e0cfbb6a227fcb18bab2971bb5f5ef5bd

  • memory/2340-4-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/2340-32-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-0-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/2340-5-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-6-0x00000000055F0000-0x00000000056A8000-memory.dmp

    Filesize

    736KB

  • memory/2340-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-1-0x0000000000ED0000-0x0000000000FA8000-memory.dmp

    Filesize

    864KB

  • memory/2340-3-0x0000000000520000-0x0000000000530000-memory.dmp

    Filesize

    64KB

  • memory/2852-19-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/2852-28-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/2852-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2852-23-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/2852-21-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/2852-29-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB