Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:41

General

  • Target

    e42c64f1fddaa9ada645d7cd059a110e56e71c0154c0cae29eca77d05270cd60.xls

  • Size

    95KB

  • MD5

    a8d51022eda35bb54cfdbe14025b691f

  • SHA1

    28568f46f8b42cd4c944f985f477ad1864facdbe

  • SHA256

    e42c64f1fddaa9ada645d7cd059a110e56e71c0154c0cae29eca77d05270cd60

  • SHA512

    e7d07a269dd5a11df1760bfb837ee314b1be4a299fc4bd5f2baed06f60e45fb55ea432d042d5fdae48ba6269ae7edb583d4e3e94639a5b285179ccdd659e1e39

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

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 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\e42c64f1fddaa9ada645d7cd059a110e56e71c0154c0cae29eca77d05270cd60.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4488
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4368
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1876
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:5052

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/1876-280-0x0000000000000000-mapping.dmp
  • memory/2156-114-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp
    Filesize

    64KB

  • memory/2156-115-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp
    Filesize

    64KB

  • memory/2156-116-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp
    Filesize

    64KB

  • memory/2156-117-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp
    Filesize

    64KB

  • memory/2156-126-0x00007FFE4EFE0000-0x00007FFE4EFF0000-memory.dmp
    Filesize

    64KB

  • memory/2156-127-0x00007FFE4EFE0000-0x00007FFE4EFF0000-memory.dmp
    Filesize

    64KB

  • memory/4368-279-0x0000000000000000-mapping.dmp
  • memory/4488-278-0x0000000000000000-mapping.dmp
  • memory/5052-281-0x0000000000000000-mapping.dmp