Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    31/01/2022, 14:40

General

  • Target
    Summary-864847685-Jan31.xlsb
  • Size 129KB
  • Sample220131-r1wpmshdcl
  • SHA256 daeb973d54237b01e89ee0ed02eb75a6c4965e445e796e67c377c2a76bd5d4d8
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://79.141.167.194/7124330499111810.dat

  • xlm40.dropper

    http://74.119.194.108/7124330499111810.dat

  • xlm40.dropper

    http://51.195.38.36/7124330499111810.dat

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 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\Summary-864847685-Jan31.xlsb
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\ProgramData\Ropedjo1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1156
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\ProgramData\Ropedjo2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:956
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\ProgramData\Ropedjo3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:328

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/328-64-0x00000000001E0000-0x00000000001E1000-memory.dmp

        memory/956-62-0x0000000000460000-0x0000000000461000-memory.dmp

        memory/1156-63-0x00000000001B0000-0x00000000001B1000-memory.dmp

        memory/1668-55-0x000000002F151000-0x000000002F154000-memory.dmp

        memory/1668-56-0x0000000071C01000-0x0000000071C03000-memory.dmp

        memory/1668-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1668-58-0x0000000075DF1000-0x0000000075DF3000-memory.dmp