Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-02-2024 06:54

General

  • Target

    a8832bcf05291992cb718e275893c2c3.xlsm

  • Size

    6KB

  • MD5

    a8832bcf05291992cb718e275893c2c3

  • SHA1

    437aba5e83d512abe90b42fc6c5939e5f03e826d

  • SHA256

    8a4ec0aa92490c329f8f1fb29afbcffed684348329cdf704af21311c2a020499

  • SHA512

    b5a4991c400aeda5c3d2b6cd5132dc450502e22ea2d1cc6ad4d4098366688a77bee79adc8427d18c3941e97d5999d160ccda10d78e397ded7c3628af6791be10

  • SSDEEP

    192:NDSxuSd1aEOmmfRy8UhHFBFYucb98yBUfU:NKu4w01FYlb98yBAU

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://46.17.98.187

Signatures

  • Process spawned unexpected child process 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 11 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\a8832bcf05291992cb718e275893c2c3.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      2⤵
      • Process spawned unexpected child process
      PID:2536
    • C:\Windows\SysWOW64\wscript.exe
      wscript C:\ProgramData\start.vbs
      2⤵
      • Process spawned unexpected child process
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1732-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1732-1-0x0000000071E8D000-0x0000000071E98000-memory.dmp

    Filesize

    44KB

  • memory/1732-2-0x0000000071E8D000-0x0000000071E98000-memory.dmp

    Filesize

    44KB

  • memory/1732-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1732-5-0x0000000071E8D000-0x0000000071E98000-memory.dmp

    Filesize

    44KB