Analysis

  • max time kernel
    118s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    19/01/2022, 12:50

General

  • Target

    d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f.xll

  • Size

    1.7MB

  • MD5

    bd4953dbce803a724515c75235cd92c0

  • SHA1

    2a5b7dc3122d036ce3d1afa22b2fc26c15841b11

  • SHA256

    d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f

  • SHA512

    9569783104c9ba89bc2b86f99f2b10a156f372c31f5b90300d89f192fdfb2b07ef2ada2fb3dfe3bc52fc31b3ef8bd3678431c4b9b5b5b0a87ec1ab30e352ca82

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\d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f.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:3996
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 C:\Users\Admin\JavaObjectReflectiveP.dll , dopt
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:4984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3996-119-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-128-0x00007FFA94C50000-0x00007FFA94C60000-memory.dmp

    Filesize

    64KB

  • memory/3996-129-0x00007FFA94C50000-0x00007FFA94C60000-memory.dmp

    Filesize

    64KB

  • memory/3996-115-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-118-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-117-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-116-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-303-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-304-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-305-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/3996-306-0x00007FFA98310000-0x00007FFA98320000-memory.dmp

    Filesize

    64KB

  • memory/4984-263-0x0000000180000000-0x000000018003C000-memory.dmp

    Filesize

    240KB