Resubmissions

19-05-2022 10:07

220519-l56gradhe5 10

18-05-2022 15:00

220518-sdapbsdgdn 10

Analysis

  • max time kernel
    147s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-05-2022 10:07

General

  • Target

    L2936218686.xls

  • Size

    264KB

  • MD5

    0591c224535324764081eb46a7f64ddf

  • SHA1

    968a0a2e24c32e52e7a0fb2942a95a6a742c77ae

  • SHA256

    b0c52fae66a3490bd28cb077420e45ee50214ffcf7a00b3ca332d6f363d3bf4e

  • SHA512

    8f74da37c54272b03b8c17aa6243352e11771a42cbd36a4a828079c9fccc4fc1f8d3c816f9bacfc0caf0edb6dd4140eb0b8d1c21d991a948f32bd46a3793f6f9

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://mi-xiaomi.live/yTiN2JL7/K.png

xlm40.dropper

https://dev.apb.com.la/S1dBTV1yT/K.png

xlm40.dropper

https://assamcareer.news/PCYxZBpbfwN/K.png

Signatures

  • Process spawned unexpected child process 3 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 21 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\L2936218686.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\Uduw\soam1.dll
      2⤵
      • Process spawned unexpected child process
      PID:472
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\Uduw\soam2.dll
      2⤵
      • Process spawned unexpected child process
      PID:1224
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\Uduw\soam3.dll
      2⤵
      • Process spawned unexpected child process
      PID:1100

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/472-59-0x0000000000000000-mapping.dmp

  • memory/1100-64-0x0000000000000000-mapping.dmp

  • memory/1172-54-0x000000002F411000-0x000000002F414000-memory.dmp

    Filesize

    12KB

  • memory/1172-55-0x00000000713C1000-0x00000000713C3000-memory.dmp

    Filesize

    8KB

  • memory/1172-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1172-57-0x00000000723AD000-0x00000000723B8000-memory.dmp

    Filesize

    44KB

  • memory/1172-58-0x0000000076191000-0x0000000076193000-memory.dmp

    Filesize

    8KB

  • memory/1172-61-0x000000006C491000-0x000000006C493000-memory.dmp

    Filesize

    8KB

  • memory/1172-66-0x000000006C3D1000-0x000000006C3D3000-memory.dmp

    Filesize

    8KB

  • memory/1224-62-0x0000000000000000-mapping.dmp