Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 09:19

General

  • Target
    BL-SHIPPING DOCUMENTS.exe
  • Size 441KB
  • Sample230719-k96smsaf63
  • SHA256 b49944bb720e52f3f29bce89cda550a1ffaa4387849cbdc4a7be74f7e02a0aea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENTS.exe
    "C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENTS.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENTS.exe
      "C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENTS.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:3776

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        glhgx.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsj29D.tmp\glhgx.dll
        • Size 53KB
        • SHA256 a6105baf5dd4b7476f1ebae64900f7e2d77af156d156730f635d467af2c566af
        • MD5 SHA1 SHA512 SSDEEP

        memory/3776-152-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-153-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-161-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-160-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-147-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-148-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-149-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-150-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-141-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-151-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-143-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-154-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-155-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-156-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-157-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-158-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/3776-159-0x0000000000400000-0x0000000000472000-memory.dmp

        memory/4092-139-0x0000000074540000-0x0000000074552000-memory.dmp

        memory/4092-144-0x0000000074540000-0x0000000074552000-memory.dmp