Overview

overview

8

Static

static

Shipping_docs.xlsx

windows7_x64

8

Shipping_docs.xlsx

windows10_x64

1

Analysis

  • max time kernel
    78s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09/07/2020, 23:23

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General

  • Target
    Shipping_docs.xlsx
  • Size 575KB
  • Sample200709-1kvjrelbbx
  • SHA256 29ab73c3458a25362a6b1dd25d77301156887f6ac2f6e9def94282bcb54631d2
  • MD5 SHA1 SHA512
Score
8/10
spyware

Malware Config

Signatures

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • Suspicious use of WriteProcessMemory 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Modifies registry class 280 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

    exploit
  • Loads dropped DLL 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Shipping_docs.xlsx
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Modifies registry class
    PID:1392
  • C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blacklisted process makes network request
    • Suspicious use of WriteProcessMemory
    • Launches Equation Editor
    • Loads dropped DLL
    PID:1604
    • C:\Users\Admin\AppData\Roaming\vbc.exe
      "C:\Users\Admin\AppData\Roaming\vbc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: EnumeratesProcesses
      PID:1804
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
          PID:2004
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          PID:2012

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1392-4-0x00000000024D0000-0x00000000024D1000-memory.dmp
          Download

          memory/1392-6-0x00000000024D0000-0x00000000024D1000-memory.dmp
          Download

          memory/2012-7-0x0000000000400000-0x000000000044A000-memory.dmp
          Download

          memory/2012-9-0x0000000000400000-0x000000000044A000-memory.dmp
          Download

          memory/2012-10-0x0000000000400000-0x000000000044A000-memory.dmp
          Download