Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    21/07/2023, 06:40

General

  • Target

    PRE ALERT DOCUMENTS.exe

  • Size

    905KB

  • MD5

    c1128956f3a5d97d01eb3a9a63fce28e

  • SHA1

    24472f38948b2bc2e7fcce07d3ba6f68a78b06d1

  • SHA256

    83c649919324adc6fddf8db7fbfb4750b8d990e0d1a25edda7b4f0cdcd044d05

  • SHA512

    55576b2afe96c9948b6503f46377b682714b818a97f02407b7a46a6212320f794b50d812eac1c35245fff966b790857a399a5835fc173c76882a2526f7cd3296

  • SSDEEP

    12288:lMS6ln+flo/XciMvDlFonmnE3eNOLyS/H/g1EpBDi34fp2GYfpdS0/WliOVAy/Mn:lFTdCjEsKieONco6cYvS0/9OVAy/L

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 3 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\PRE ALERT DOCUMENTS.exe
    "C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pUGagPvAp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pUGagPvAp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3020
    • C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
      "C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"
      2⤵
        PID:2160
      • C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
        "C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"
        2⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpD3A.tmp

      Filesize

      1KB

      MD5

      6d234f04aff03784a2dd9d8abd0f049b

      SHA1

      1462114f65f65ae34b2bd9079df7497a0d12ee42

      SHA256

      7ecfc53c2dfa52b5efea002f5d3fe1dc9c42ae44239c117e1f99e930d911cd06

      SHA512

      dc6a7bca4edb709db85e0a9607a07b7dfd1d9441e224cea3855253e3adf146e6887ca1e83299863228dbdb9f0db63c862934947819952507c785b9cf937b7036

    • memory/2900-66-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2900-89-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2900-84-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2900-79-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2900-74-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2900-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2900-70-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2900-68-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2908-85-0x00000000025A0000-0x00000000025E0000-memory.dmp

      Filesize

      256KB

    • memory/2908-87-0x00000000025A0000-0x00000000025E0000-memory.dmp

      Filesize

      256KB

    • memory/2908-88-0x000000006E5C0000-0x000000006EB6B000-memory.dmp

      Filesize

      5.7MB

    • memory/2908-82-0x000000006E5C0000-0x000000006EB6B000-memory.dmp

      Filesize

      5.7MB

    • memory/2908-83-0x000000006E5C0000-0x000000006EB6B000-memory.dmp

      Filesize

      5.7MB

    • memory/2908-86-0x00000000025A0000-0x00000000025E0000-memory.dmp

      Filesize

      256KB

    • memory/2912-57-0x0000000073F80000-0x000000007466E000-memory.dmp

      Filesize

      6.9MB

    • memory/2912-56-0x0000000000530000-0x0000000000540000-memory.dmp

      Filesize

      64KB

    • memory/2912-78-0x0000000073F80000-0x000000007466E000-memory.dmp

      Filesize

      6.9MB

    • memory/2912-53-0x00000000010F0000-0x00000000011D8000-memory.dmp

      Filesize

      928KB

    • memory/2912-55-0x0000000000F30000-0x0000000000F70000-memory.dmp

      Filesize

      256KB

    • memory/2912-60-0x00000000058D0000-0x0000000005982000-memory.dmp

      Filesize

      712KB

    • memory/2912-58-0x0000000000F30000-0x0000000000F70000-memory.dmp

      Filesize

      256KB

    • memory/2912-59-0x0000000000540000-0x000000000054A000-memory.dmp

      Filesize

      40KB

    • memory/2912-54-0x0000000073F80000-0x000000007466E000-memory.dmp

      Filesize

      6.9MB