Analysis

  • max time kernel
    127s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 04:24

General

  • Target

    64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.xls

  • Size

    95KB

  • MD5

    21db9a15033232c8de2741a7dfa350b1

  • SHA1

    2436629f905b691f262d30fe5541d29e3d94e226

  • SHA256

    64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab

  • SHA512

    c23b3469b9bd9cedd69d6eea670b455a864334c1503d3181db2cc33801d61db8f58e94366bf63764ba36af6f87b08eda119507ddd9bb5927f0791916b2ef3c02

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

Signatures

  • Process spawned unexpected child process 4 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 8 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\64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.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:1484
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1332
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:364
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1436
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3500

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/364-270-0x0000000000000000-mapping.dmp
  • memory/1332-269-0x0000000000000000-mapping.dmp
  • memory/1436-271-0x0000000000000000-mapping.dmp
  • memory/1484-122-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/1484-131-0x00007FFF5E190000-0x00007FFF5E1A0000-memory.dmp
    Filesize

    64KB

  • memory/1484-132-0x00007FFF5E190000-0x00007FFF5E1A0000-memory.dmp
    Filesize

    64KB

  • memory/1484-119-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/1484-121-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/1484-120-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/1484-311-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/1484-312-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/1484-313-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/1484-314-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmp
    Filesize

    64KB

  • memory/3500-274-0x0000000000000000-mapping.dmp