Overview

overview

10

Static

static

674457.xlsm

windows7_x64

10

674457.xlsm

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    13/07/2020, 14:29

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General

  • Target
    674457.xlsm
  • Size 48KB
  • Sample200713-7gqreghvfx
  • SHA256 1943b72d34dbaf3abb226d62d68a4d27fe012c8a978ef1d32e393172d4b201d7
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Script User-Agent 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of WriteProcessMemory 5 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 3 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\674457.xlsm"
    1⤵
    • Checks processor information in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    • Enumerates system info in registry
    • NTFS ADS
    PID:1316
    • C:\Windows\system32\cscript.exe
      "C:\Windows\system32\cscript.exe" C:\programdata\asc.txt:script1.vbs
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      • Blacklisted process makes network request
      PID:3448
      • C:\programdata\16hDd9iAu.exe
        C:\programdata\16hDd9iAu.exe
        3⤵
        • Executes dropped EXE
        PID:3656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 1160
          4⤵
          • Program crash
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          PID:1996

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1316-0-0x0000012725FA9000-0x0000012725FD5000-memory.dmp
        Download

        memory/1996-17-0x0000000005260000-0x0000000005261000-memory.dmp
        Download

        memory/1996-8-0x0000000004B20000-0x0000000004B21000-memory.dmp
        Download