Analysis

  • max time kernel
    144s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2024 11:10

General

  • Target

    file.exe

  • Size

    916KB

  • MD5

    07ecf716a8c177510d8bbb67c9023589

  • SHA1

    ff8623958dbacdbd2d370e34b91d55823906b0e1

  • SHA256

    22b5dce4881004cd5491a450ccd459dc4790f28e8dfd9765e040b51003cccab8

  • SHA512

    f757576f63cece311e391b458a5d953d825a66437dcc2cf98e5f2249e89463268c363dd7facfd316827117de6d61cc8a1c5d732f6b6c9c47ab82c986920018d2

  • SSDEEP

    12288:pjgO9SCF1OevUUGQv0R4jesqzAOzS7EPoHWj9cy1eMX9ECcCVu5brNKtqFJ/hkaC:xgO9ZzvzKLAkDA2xcyB9uJGG/hWuzw

Score
10/10

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

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

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

  • Creates scheduled task(s) 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2264
    • 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\file.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJkikIYc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2692
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJkikIYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4338.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2740
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4338.tmp

    Filesize

    1KB

    MD5

    bc3b2b0094052741c45b87940c2259f1

    SHA1

    7abb134691aa1f438638ab5f69d4dd8d684ef9db

    SHA256

    86ac6659f02441634552df253cf636b8e117531ac7b070c14a5d251809dd963a

    SHA512

    b6f48d61b7679200d1376b082f7ffc109a08edf354ca54555fed6f35644b73a63e32ab9d592c5c9110225a901918223f456af62c06307c3f4191129080497f82

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

    Filesize

    7KB

    MD5

    0355c0fd0024db9ab7b8e19f9b29661f

    SHA1

    a11b0bd9c9376167adf3e5ab908dbb321d197bdc

    SHA256

    3496d31ff33852745a48daeb977281ad28c82d75d93feb6bac78e2be0c499cb4

    SHA512

    c437e6a84853252c785247289bc2c19361df6c41a5fe9775eceabf3cba76f6d1f5ce4d81e8794110b00b9240e393e010912007754978a0db8a4984c059988ac5

  • memory/1728-44-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/1728-37-0x000000006E060000-0x000000006E60B000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-45-0x000000006E060000-0x000000006E60B000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-35-0x000000006E060000-0x000000006E60B000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-42-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/1728-40-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/2264-5-0x00000000053A0000-0x0000000005450000-memory.dmp

    Filesize

    704KB

  • memory/2264-2-0x0000000005040000-0x0000000005080000-memory.dmp

    Filesize

    256KB

  • memory/2264-1-0x0000000073FD0000-0x00000000746BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-3-0x0000000000740000-0x000000000075C000-memory.dmp

    Filesize

    112KB

  • memory/2264-0-0x0000000000820000-0x000000000090A000-memory.dmp

    Filesize

    936KB

  • memory/2264-31-0x0000000073FD0000-0x00000000746BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-4-0x0000000000520000-0x0000000000534000-memory.dmp

    Filesize

    80KB

  • memory/2532-20-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2532-43-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2532-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2532-47-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2532-28-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2532-30-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2532-22-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2532-18-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2692-41-0x0000000002A30000-0x0000000002A70000-memory.dmp

    Filesize

    256KB

  • memory/2692-39-0x0000000002A30000-0x0000000002A70000-memory.dmp

    Filesize

    256KB

  • memory/2692-38-0x000000006E060000-0x000000006E60B000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-46-0x000000006E060000-0x000000006E60B000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-36-0x0000000002A30000-0x0000000002A70000-memory.dmp

    Filesize

    256KB

  • memory/2692-34-0x000000006E060000-0x000000006E60B000-memory.dmp

    Filesize

    5.7MB