Overview

overview

10

Static

static

10

Downloads1...f5.exe

windows7_x64

1

Downloads1...f5.exe

windows10_x64

1

Downloads1...41.dll

windows7_x64

1

Downloads1...41.dll

windows10_x64

3

Downloads1...8b.exe

windows7_x64

1

Downloads1...8b.exe

windows10_x64

1

Downloads1...d2.exe

windows7_x64

1

Downloads1...d2.exe

windows10_x64

1

Downloads1...38.exe

windows7_x64

1

Downloads1...38.exe

windows10_x64

1

Downloads1...92.exe

windows7_x64

10

Downloads1...92.exe

windows10_x64

10

Downloads1...46.exe

windows7_x64

10

Downloads1...46.exe

windows10_x64

10

Downloads1...2f.exe

windows7_x64

1

Downloads1...2f.exe

windows10_x64

1

Downloads1...78.exe

windows7_x64

10

Downloads1...78.exe

windows10_x64

10

Downloads1...89.exe

windows7_x64

10

Downloads1...89.exe

windows10_x64

10

Downloads1...ee.exe

windows7_x64

7

Downloads1...ee.exe

windows10_x64

7

Downloads1...1a.exe

windows7_x64

10

Downloads1...1a.exe

windows10_x64

10

Downloads1...af.exe

windows7_x64

1

Downloads1...af.exe

windows10_x64

1

Downloads1...21.exe

windows7_x64

1

Downloads1...21.exe

windows10_x64

1

Downloads1...5f.exe

windows7_x64

8

Downloads1...5f.exe

windows10_x64

8

Downloads1...7c.exe

windows7_x64

1

Downloads1...7c.exe

windows10_x64

1

Analysis

  • max time kernel
    129s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-03-2021 09:50

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Report Analysis Logs

General

  • Target

    Downloads1/5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe

  • Size

    604KB

  • MD5

    29649c968550c8e97565e81dcce5b81a

  • SHA1

    a08c1bf3c9a73492ad27d793efa057f5582703ac

  • SHA256

    5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78

  • SHA512

    87f09ffc9ebfe5e890e11445a8b856ad3521e2b021da9548e8594b85adb3b99c307224ca4e466f9057a92ead34eb8dceaa2556145676958af1233b6b174eb29f

Score
10/10
lockypersistenceransomware

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

    ransomwarelocky
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Downloads1\5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe
    "C:\Users\Admin\AppData\Local\Temp\Downloads1\5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe"
    1⤵
    • Adds Run key to start application
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\asasin.htm
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1396 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2028
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\Downloads1\5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe"
      2⤵
      • Deletes itself
      PID:1964
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1004-7-0x00000000001B0000-0x00000000001B2000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1004-11-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1288-2-0x0000000076241000-0x0000000076243000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1288-3-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

    Download

  • memory/2012-4-0x000007FEF6030000-0x000007FEF62AA000-memory.dmp

    Filesize

    2.5MB

    Download