Analysis

  • max time kernel
    149s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 18:10

General

  • Target
    034c9ecef47c9dd01dbdb1745322207821250b919447c14f0e0beab5269a172c.exe
  • Size 140KB
  • Sample240903-wsdajstglh
  • SHA256 034c9ecef47c9dd01dbdb1745322207821250b919447c14f0e0beab5269a172c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\034c9ecef47c9dd01dbdb1745322207821250b919447c14f0e0beab5269a172c.exe
    "C:\Users\Admin\AppData\Local\Temp\034c9ecef47c9dd01dbdb1745322207821250b919447c14f0e0beab5269a172c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Users\Admin\jaobeh.exe
      "C:\Users\Admin\jaobeh.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1796

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        jaobeh.exe

        • Path C:\Users\Admin\jaobeh.exe
        • Size 140KB
        • SHA256 e7fd67beb4d00817d1deaf1d5b1f27fc0e6f7ec19a6bec1b0dfc73e6febb7a42
        • MD5 SHA1 SHA512 SSDEEP

        memory/1796-33-0x0000000000400000-0x0000000000423000-memory.dmp

        memory/1796-38-0x0000000000400000-0x0000000000423000-memory.dmp

        memory/3280-0-0x0000000000400000-0x0000000000423000-memory.dmp

        memory/3280-37-0x0000000000400000-0x0000000000423000-memory.dmp