Analysis

  • max time kernel
    61s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2023 05:21

General

  • Target

    #PDF4.exe

  • Size

    1.6MB

  • MD5

    af513045fb00b56a2909a1394b80023e

  • SHA1

    0002d4384b3facd1d635a9cf0bb7cac513bf4436

  • SHA256

    f97bca3cc65f895a62070daa10fdf31cb0a700db5dc872b1cba3b09d1c2f2b1a

  • SHA512

    6bbde119165145c3609ea2125b9c7fbc03608063f0849eda2b2888685839324640a79a295070e7390af402ec19414839d52d72c78368597241e46cdc954bf2bf

  • SSDEEP

    49152:k1B+dHgV+VQI4ufW2ZsKSjqXUx4ruPAQcWTfkUL0vXpza:sB+VI+sLjqXUx4ruPAQcWTfkUL0vXp+

Score
10/10

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\#PDF4.exe
    "C:\Users\Admin\AppData\Local\Temp\#PDF4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\#PDF4.exe
      "C:\Users\Admin\AppData\Local\Temp\#PDF4.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1412

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1412-56-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1412-57-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1412-59-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1412-63-0x0000000000402FFC-mapping.dmp

  • memory/1412-62-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1412-65-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1412-68-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/1412-69-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2016-54-0x0000000000090000-0x0000000000236000-memory.dmp

    Filesize

    1.6MB

  • memory/2016-55-0x0000000004CC0000-0x0000000004D86000-memory.dmp

    Filesize

    792KB