Analysis

  • max time kernel
    93s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 22:09

General

  • Target

    Documents.lnk

  • Size

    1KB

  • MD5

    db8f42a798dd65d9bd8398c3e2564f06

  • SHA1

    7df618ca8e5e21faf19ece8c2470f62af8e4ea15

  • SHA256

    59b77f3b8d2e7d72c61d522a2bcabbe0b47be3b73e1a4001cb763589a656134c

  • SHA512

    3533442932c0a796de82668f334f264b6aac4f3552eef535caeda4bb7d4feeb7d1789c09424ac3de506a8438ab9d19713ce0272816c5d8b4dd8ae545bc862053

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Documents.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" 1.dll,EnterDll
      2⤵
        PID:1196

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1196-0-0x0000000180000000-0x000000018002A000-memory.dmp
      Filesize

      168KB

    • memory/1196-1-0x0000000180000000-0x000000018002A000-memory.dmp
      Filesize

      168KB