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Analysis

  • max time kernel
    166s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 21:36

General

  • Target

    2022-11-8-0be38d7e3fe5fc3a79a597ed1d254a50.xlsm

  • Size

    228KB

  • MD5

    0be38d7e3fe5fc3a79a597ed1d254a50

  • SHA1

    f4eb84f6b1297f57e57780aa7fcabe6438880d40

  • SHA256

    da644b867f32f4c76681fd2a7838d843f447f06f87a5ea98786031f0caf169cc

  • SHA512

    e589d28f3394e198fd8cebf453952973c6967922b171d4f997499d78dd297ee62567418ce621b84848aa1d9d7e4258bd12b287de198a456b70450775b94f81b2

  • SSDEEP

    6144:9w2WMrfxxjhBMMrxBRXZ5Dz3M1qa8L4cyO:9w2LDHf9PH5XUqRLTyO

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

httph.com/nutabalong/CfyFMHWntM3t/

xlm40.dropper

https://amorecuidados.com.br/wp-admin/baPRbSWvbBq/

xlm40.dropper

http://bet-invest.com/mail/nui/

xlm40.dropper

https://www.manchesterot.co.uk/about-us/KEfGo/

Signatures

  • Process spawned unexpected child process 4 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 SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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\2022-11-8-0be38d7e3fe5fc3a79a597ed1d254a50.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:1916
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:2040
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1820
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:856
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1916-54-0x000000002FED1000-0x000000002FED4000-memory.dmp

    Filesize

    12KB

  • memory/1916-55-0x0000000071911000-0x0000000071913000-memory.dmp

    Filesize

    8KB

  • memory/1916-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1916-57-0x00000000728FD000-0x0000000072908000-memory.dmp

    Filesize

    44KB

  • memory/1916-58-0x00000000756B1000-0x00000000756B3000-memory.dmp

    Filesize

    8KB

  • memory/1916-61-0x00000000728FD000-0x0000000072908000-memory.dmp

    Filesize

    44KB