Analysis

  • max time kernel
    122s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    19/01/2022, 01:00

General

  • Target

    09f0d56342e53b1af01eceb399c3f0bde5e61ff654d9117a57868466750e2e93.xll

  • Size

    1.7MB

  • MD5

    fa8506376e363d8dfa767e7e4da6b56b

  • SHA1

    c2d9101667a55f430c0513cbf748be8723b9e245

  • SHA256

    09f0d56342e53b1af01eceb399c3f0bde5e61ff654d9117a57868466750e2e93

  • SHA512

    1074927abee15cfc9a51ab9cc160a8c339a7a2989399d5543ed2d00daa03b544b0d92d02eb35c8fad3ed037ae00e125619d587cfd3506322c337c56b21c15865

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Bazar/Team9 Loader payload 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\09f0d56342e53b1af01eceb399c3f0bde5e61ff654d9117a57868466750e2e93.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3736
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 C:\Users\Admin\JavaObjectReflectiveJ.dll , dopt
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1324-258-0x0000000180000000-0x000000018003C000-memory.dmp

    Filesize

    240KB

  • memory/3736-119-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-129-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp

    Filesize

    64KB

  • memory/3736-128-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp

    Filesize

    64KB

  • memory/3736-115-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-118-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-117-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-116-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-276-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-277-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-278-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB

  • memory/3736-279-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

    Filesize

    64KB