Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-02-2024 10:29

General

  • Target

    aba9f1ac6372aa43ba4fcf0bbfb805d7.xlsm

  • Size

    85KB

  • MD5

    aba9f1ac6372aa43ba4fcf0bbfb805d7

  • SHA1

    a3fe19f739d576f30bad23431025d57ade19071c

  • SHA256

    857f303ab9359c6f06e08842888c5ce19fc9d2b51b0ebe3dfb5e4d127208088c

  • SHA512

    4851dca9f371d7f3673fe64392acc9d07864706266fc884492d357a1235fbc4e21d945299c98077ebebc62359566a9e8bb8dd05e0c3f842690ae684b30791117

  • SSDEEP

    1536:2DhVxmyaa15pRxrDK341rDmf5TTlMVGoIahaDHTU6hryF70liWWGH0AeW/:mVIyaa1/rDSOmf92sTU2yF70liWW20k

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://162.248.227.39/first.php

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • 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 12 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\aba9f1ac6372aa43ba4fcf0bbfb805d7.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -silent ..\yeieowur.dll
      2⤵
      • Process spawned unexpected child process
      PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5004-0-0x00007FFBAAAF0000-0x00007FFBAAB00000-memory.dmp

    Filesize

    64KB

  • memory/5004-2-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-3-0x00007FFBAAAF0000-0x00007FFBAAB00000-memory.dmp

    Filesize

    64KB

  • memory/5004-4-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-1-0x00007FFBAAAF0000-0x00007FFBAAB00000-memory.dmp

    Filesize

    64KB

  • memory/5004-5-0x00007FFBAAAF0000-0x00007FFBAAB00000-memory.dmp

    Filesize

    64KB

  • memory/5004-7-0x00007FFBAAAF0000-0x00007FFBAAB00000-memory.dmp

    Filesize

    64KB

  • memory/5004-6-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-8-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-9-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-11-0x00007FFBA84E0000-0x00007FFBA84F0000-memory.dmp

    Filesize

    64KB

  • memory/5004-12-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-10-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-14-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-13-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-15-0x00007FFBA84E0000-0x00007FFBA84F0000-memory.dmp

    Filesize

    64KB

  • memory/5004-16-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-17-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-19-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-18-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-21-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-20-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB

  • memory/5004-27-0x00007FFBEAA70000-0x00007FFBEAC65000-memory.dmp

    Filesize

    2.0MB