Analysis

  • max time kernel
    131s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19/01/2022, 00:14

General

  • Target

    9cc7d65402daa75068c6b5a0386c556f.xll

  • Size

    1.7MB

  • MD5

    9cc7d65402daa75068c6b5a0386c556f

  • SHA1

    b2cbe7a2ea5aebeac773fa93fae8a36f37f8700e

  • SHA256

    3e4533d0e092a0a8c35ea248153062fe54e1a38a4aea9b627de619ad53fe90b3

  • SHA512

    4e107443f520e2c4fd6f99a8dda26789208c8e2016eae97955c2d5e9bde743b0d061bfd3fd25c021cc368ef61b1206d6e3051ba6b538935813042ab205ff2756

Malware Config

Extracted

Language
xlm4.0
Source

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 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\9cc7d65402daa75068c6b5a0386c556f.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:2816
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 C:\Users\Admin\JavaObjectReflectV.dll , dopt
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:2084

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2084-154-0x0000000180000000-0x000000018003C000-memory.dmp

    Filesize

    240KB

  • memory/2816-134-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-138-0x00007FFCC1470000-0x00007FFCC1480000-memory.dmp

    Filesize

    64KB

  • memory/2816-137-0x00007FFCC1470000-0x00007FFCC1480000-memory.dmp

    Filesize

    64KB

  • memory/2816-130-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-133-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-131-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-132-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-174-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-175-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-176-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB

  • memory/2816-177-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

    Filesize

    64KB