Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 18:01

General

  • Target

    9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee.xls

  • Size

    70KB

  • MD5

    127af7776c32be1dc79e21a5bedd8416

  • SHA1

    53cfbbdab3a33711725f93dc222c44a30dc6ab85

  • SHA256

    9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee

  • SHA512

    e9ae140d8b120545336a14ebfaa09811bb1e9b64acab9d3f906cfd7ec4481142190fb7e6bda502c4bd801fe1680ba21bfd736863ebbffd213428d29dda38dba2

  • SSDEEP

    1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+4+hDcnTLiQrRTZws8E1:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMf

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://natayakim.com/_hlam/Ob78p6SxMNonofG/

xlm40.dropper

http://weplug.com/dom/LfdeV8H4Zy1yLFRV/

xlm40.dropper

http://martinmichalek.com/_sub/G1QKwEYPbt/

Signatures

  • Process spawned unexpected child process 3 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 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\9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3604
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4216
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3728
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    1KB

    MD5

    acb7cc8a6a7d2feee6c8868084b7b15a

    SHA1

    545eb3018162645a91651f2ec6b3bde2b24633af

    SHA256

    4fe2b42353d5923e2ae1f4d2159ab133fbace98eddb60c5759441bfaafea206c

    SHA512

    777f0e2557eb6db60e3a0091cfc983d94caf88cc339f576bc4f35f3a28f9d0ee97eb9e03d636440da15088cdd340f66b8884c9459bf5e585d96df6da4b7b946b

  • memory/3604-14-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-8-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-15-0x00007FF8985B0000-0x00007FF8985C0000-memory.dmp

    Filesize

    64KB

  • memory/3604-7-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-9-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-10-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-11-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-12-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-13-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-0-0x00007FF89AE10000-0x00007FF89AE20000-memory.dmp

    Filesize

    64KB

  • memory/3604-4-0x00007FF89AE10000-0x00007FF89AE20000-memory.dmp

    Filesize

    64KB

  • memory/3604-2-0x00007FF89AE10000-0x00007FF89AE20000-memory.dmp

    Filesize

    64KB

  • memory/3604-5-0x00007FF89AE10000-0x00007FF89AE20000-memory.dmp

    Filesize

    64KB

  • memory/3604-6-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-16-0x00007FF8985B0000-0x00007FF8985C0000-memory.dmp

    Filesize

    64KB

  • memory/3604-1-0x00007FF8DAE2D000-0x00007FF8DAE2E000-memory.dmp

    Filesize

    4KB

  • memory/3604-32-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-33-0x00007FF8DAE2D000-0x00007FF8DAE2E000-memory.dmp

    Filesize

    4KB

  • memory/3604-34-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-35-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

    Filesize

    2.0MB

  • memory/3604-3-0x00007FF89AE10000-0x00007FF89AE20000-memory.dmp

    Filesize

    64KB