Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2024 04:18

General

  • Target

    963a97b6efe44b61e3241b3747028987.xlsm

  • Size

    238KB

  • MD5

    963a97b6efe44b61e3241b3747028987

  • SHA1

    65cc1ec0d4434bbe52d2c8e73943c3f845504f12

  • SHA256

    3e5c3ca2dba4a97b5ce64954a2b4a01b29a140dacfc0401dcc75471545c1f49a

  • SHA512

    649b9ec6872bfab560e1428a97bacd818d9bcc5577d5f73e80dcf83a8145abd8eb11bfcc3d186cc43da4d63df9fdd5ff528d5b33b9287a71b6d1976fff945a3f

  • SSDEEP

    6144:StNSLcq+YXEstmCKKIfVeSrPwqWaswkoWMM:CPYXEszKTwaEoWMM

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 8 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\963a97b6efe44b61e3241b3747028987.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\kzbUSLmXY.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies system certificate store
      PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\kzbUSLmXY.sct

    Filesize

    26KB

    MD5

    3cfaacfbd117f564097a6a915b452bff

    SHA1

    9800ad914f3f1b728d171e7e8c1a4966377e20f4

    SHA256

    94d939eaa531caa4c4748573eb52c7f6fb752c918b4f885ef14bc4a23ecd87ec

    SHA512

    9fde4357f647c59a42e3383c8aabb56eb0feb3b7a6b8bf2d3c8d3bd60d8d675b4d20306ad9f23802a032be5decd9c5166894946ba7a2045769c484df3696dfd6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar1E8D.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2548-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2548-1-0x0000000072CFD000-0x0000000072D08000-memory.dmp

    Filesize

    44KB

  • memory/2548-61-0x0000000072CFD000-0x0000000072D08000-memory.dmp

    Filesize

    44KB

  • memory/2548-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2548-67-0x0000000072CFD000-0x0000000072D08000-memory.dmp

    Filesize

    44KB