Analysis

  • max time kernel
    129s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    19/01/2022, 13:55

General

  • Target

    56d8a969497fe0cf90aa6e71c8f7c1a2e76b621d0b18876db8e3ca198a7b4350.xll

  • Size

    1.7MB

  • MD5

    f198da6e1ffc5c8e76e126412f6a0fe8

  • SHA1

    e3f2a10f79f2b07e2a80c5d218e15cc1ae3b9a8e

  • SHA256

    56d8a969497fe0cf90aa6e71c8f7c1a2e76b621d0b18876db8e3ca198a7b4350

  • SHA512

    e72f270c1b75748fc04201bb774eec09fdf6113f6e41f83a4a0dba55e253fd50a7579fae8ed38eb01fd1072980455373d1fb2413d4e84449b22d569e1fe991e5

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
  • Blocklisted process makes network request 4 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\56d8a969497fe0cf90aa6e71c8f7c1a2e76b621d0b18876db8e3ca198a7b4350.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:3596
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 C:\Users\Admin\JavaObjectReflectG.dll , dopt
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:2112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2112-263-0x0000000180000000-0x000000018003C000-memory.dmp

    Filesize

    240KB

  • memory/3596-119-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-129-0x00007FF978E10000-0x00007FF978E20000-memory.dmp

    Filesize

    64KB

  • memory/3596-128-0x00007FF978E10000-0x00007FF978E20000-memory.dmp

    Filesize

    64KB

  • memory/3596-115-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-118-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-117-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-116-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-301-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-302-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-303-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB

  • memory/3596-304-0x00007FF97BC30000-0x00007FF97BC40000-memory.dmp

    Filesize

    64KB