Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2025, 11:31

General

  • Target

    94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe

  • Size

    853KB

  • MD5

    a6ccb9255baee007cb4350101a2a8b2b

  • SHA1

    ff666e71f6c4e071f7c836de86eccf73f9717f54

  • SHA256

    94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79

  • SHA512

    6cca7e30834a342608940ae7a37d37934439b7607f6ab61177a6138aaee25d8a38632b2667ca48df6aa9780ea0338ccab151dca341baa9a8664adbc32d5302a4

  • SSDEEP

    24576:zbYU8Q9u4MqYY5xwXCv2lL/rCI3NHQF9hUI+T:zXZ9uXqDxzv2VrFi9hUtT

Malware Config

Extracted

Family

darkcloud

Credentials

  • Protocol:
    ftp
  • Host:
    @StrFtpServer
  • Port:
    21
  • Username:
    @StrFtpUser
  • Password:
    @StrFtpPass

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.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe
    "C:\Users\Admin\AppData\Local\Temp\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1788
    • 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\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2692
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ECmmsbHOaKPh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ECmmsbHOaKPh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp425D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2588
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp425D.tmp

    Filesize

    1KB

    MD5

    1f17996e7b1a364c028dfff1d408eda8

    SHA1

    f79926cfa9528a27496739a1283f53236cabfd54

    SHA256

    e1151a1b715276c87da3b14c69ebb9c7898250b35959fd155542da90a976f532

    SHA512

    555f0fd6b1d2c4acd8cee7d721b4e68d03c742efa3644a47d4e2cc339ee40baba4530ec7818de2f440db961ea7c0b87bbdbf21dccc39ea973d650f9a47515754

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7PHM4AMSM9CV2A5FZZ10.temp

    Filesize

    7KB

    MD5

    1b1e881510928d2afbaa9bbb1b32b7f8

    SHA1

    c117421db7c74ef1168c2ddd991fe4b629719b80

    SHA256

    e27776c5f224766fdfa8efa5eacd93e20bed3f8270e36a20d75ba9493903cd31

    SHA512

    af8b772ac49575e638098962389fcd2008c9243edae453278c7e895b0631cdd0120aa30ad40012e5e8c858fc33e9942f77b5ed890e87e68d789a25946c8e0ab7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    5c162a7e40653f0966f4ac9d8e338301

    SHA1

    5815e64725b89ea35980af01876e5f34ae6af594

    SHA256

    696765644710e774acf9706aab017048ea8e0bd78f2cdc92186c5b0f8adc71e0

    SHA512

    3c2c8f43478762fe8dd517a0d482a930ece614366249e318917529c19cbc571ecaae2f4b20097b285989f8f9aebebacc406318fb5f1c793fc74f35f2576d1c32

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MXQFNXLT-Admin\vbsqlite3.dll

    Filesize

    161KB

    MD5

    073a17b6cfb1112c6c838b2fba06a657

    SHA1

    a54bb22489eaa8c52eb3e512aee522320530b0be

    SHA256

    dcfcd16fbf0511d3f2b3792e5493fa22d7291e4bb2efbfa5ade5002a04fc2cab

    SHA512

    5bc8307350bd8ba09fa9eedddc62f1dba65db62eb09ae64e0adff4dfad0937dbec5b621f294f5980bf77033faac3bfe200945c0280606915ee9a82d34a003b9e

  • memory/1788-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/1788-32-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1788-6-0x0000000000610000-0x00000000006B4000-memory.dmp

    Filesize

    656KB

  • memory/1788-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/1788-3-0x0000000000430000-0x000000000044E000-memory.dmp

    Filesize

    120KB

  • memory/1788-2-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1788-1-0x0000000000A00000-0x0000000000AD8000-memory.dmp

    Filesize

    864KB

  • memory/1788-5-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-28-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1832-23-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1832-21-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1832-19-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1832-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1832-29-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1832-39-0x000000006FDF0000-0x000000006FE59000-memory.dmp

    Filesize

    420KB