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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/07/2023, 09:32

General

  • Target

    PURCHASE ORDER.exe

  • Size

    934KB

  • MD5

    687acf4479fbd86277fdf370e9535e85

  • SHA1

    87411fc5d13aef29b17d5a54cadb4dbb0245d78e

  • SHA256

    e1156b2e6b8500afa5e8a45d46a3420a33be357d5af362a224dc39e253fc720f

  • SHA512

    203804252fd845ee662f191e6961869f9aada361d4b1ad4ab493eb616221babbab5a17f58bc1b6f5dd22ef557b3f90cd491006b26730dd1996d7002a0b7320ac

  • SSDEEP

    24576:RN6GEf3tyqvbEtsJElhBstN+YDFt9/FGm72BZcHuE:b6hfgOQtMB/Hl8hZcHuE

Score
10/10

Malware Config

Extracted

Family

darkcloud

C2

https://api.telegram.org/bot6267068129:AAE4AO_gQGAeEakYl26r7KthrUjdWAdy5c0/sendMessage?chat_id=1909112828

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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2916

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2916-142-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2916-149-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2916-145-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/4920-136-0x00000000058A0000-0x0000000005932000-memory.dmp

    Filesize

    584KB

  • memory/4920-137-0x0000000005B30000-0x0000000005B40000-memory.dmp

    Filesize

    64KB

  • memory/4920-138-0x0000000005860000-0x000000000586A000-memory.dmp

    Filesize

    40KB

  • memory/4920-139-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4920-140-0x0000000005B30000-0x0000000005B40000-memory.dmp

    Filesize

    64KB

  • memory/4920-141-0x00000000098D0000-0x000000000996C000-memory.dmp

    Filesize

    624KB

  • memory/4920-133-0x0000000000D90000-0x0000000000E80000-memory.dmp

    Filesize

    960KB

  • memory/4920-135-0x0000000005E50000-0x00000000063F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4920-148-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4920-134-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB