Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 12:26

General

  • Target

    bee8c3cf380a2955ee52d42fe216a947e8e2f8e407b11d33560e7d4df92169c6.xlsm

  • Size

    21KB

  • MD5

    821fef9a78eb818dabbb359512b0f572

  • SHA1

    e186c20e6f8b542f9679d664ca0c1c1b674a2037

  • SHA256

    bee8c3cf380a2955ee52d42fe216a947e8e2f8e407b11d33560e7d4df92169c6

  • SHA512

    ed34536ef14f668d864fe46dd0827251919c1e4dbe1474b1ecbf72be51ecb489c8e2413650d90ffa280cef688154dbd58907bafe5609a016ccf1d4776ffb8932

  • SSDEEP

    384:48c5hAuAi/NjxhS8EibbwBlwcSYrLb5CzgObff9kC+xbX7T/1SeyB:4PksNPzXSFCBn9kC+xbLTc9

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://astroadvicebaba.com/assets/jYlBTPcWJTsTtamDfX/

xlm40.dropper

https://physioacademy.co.uk/conditions/8I3WSx5t2k/

xlm40.dropper

http://orchidbg.com/aeeiludqootr/OcnjiLHL/

xlm40.dropper

https://westthamesphysio.com/blog/3tsZIz09Sox1Z/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 3 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\bee8c3cf380a2955ee52d42fe216a947e8e2f8e407b11d33560e7d4df92169c6.xlsm"
    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:3420
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:1204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\rfs.dll

    Filesize

    966B

    MD5

    1a8978d9d37041fe0089728cd6c23233

    SHA1

    f0485019f25ee50bb77f23081a8964e28e56cfb2

    SHA256

    87a97454942b85b5afc9cb9733bb7ce96cdf3422f6bfc95823f8edf6b2e2c607

    SHA512

    9ea43ede1eab73d3ac65bc3e9c13836c51d768daf5e300a0f57a26c0ca9cb2655455e5731664a92c969520dc05f7c71292d6a947405e06c2b1f88a399cd8d42b

  • memory/3420-10-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-14-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-8-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-9-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-6-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-5-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-4-0x00007FFAEF090000-0x00007FFAEF0A0000-memory.dmp

    Filesize

    64KB

  • memory/3420-3-0x00007FFAEF090000-0x00007FFAEF0A0000-memory.dmp

    Filesize

    64KB

  • memory/3420-0-0x00007FFAEF090000-0x00007FFAEF0A0000-memory.dmp

    Filesize

    64KB

  • memory/3420-1-0x00007FFB2F0AD000-0x00007FFB2F0AE000-memory.dmp

    Filesize

    4KB

  • memory/3420-7-0x00007FFAEF090000-0x00007FFAEF0A0000-memory.dmp

    Filesize

    64KB

  • memory/3420-13-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-12-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-15-0x00007FFAECA20000-0x00007FFAECA30000-memory.dmp

    Filesize

    64KB

  • memory/3420-11-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-16-0x00007FFAECA20000-0x00007FFAECA30000-memory.dmp

    Filesize

    64KB

  • memory/3420-2-0x00007FFAEF090000-0x00007FFAEF0A0000-memory.dmp

    Filesize

    64KB

  • memory/3420-34-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-35-0x00007FFB2F0AD000-0x00007FFB2F0AE000-memory.dmp

    Filesize

    4KB

  • memory/3420-36-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB

  • memory/3420-37-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

    Filesize

    2.0MB