Overview

overview

8

Static

static

96bcd74dc8...d3.exe

windows7-x64

8

96bcd74dc8...d3.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    151s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 02:21

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3.exe

  • Size

    270KB

  • MD5

    7c45bdaf8919499fc31986fd129f3baa

  • SHA1

    e41e171a5a0a6e543bd177ea6c23132051d3cae1

  • SHA256

    96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3

  • SHA512

    fda6000e059be76facb4d838954e0c4c527a855745ce81557ce7f65c56188ce9a9ac9c744581399f0ecd6dda49028d886c3c815871d3f9314c9d72804764003d

  • SSDEEP

    6144:2Bhr2U8nobKSQaBH6CaMJiDjza6hQqlY/h8ZXmUxEzV/muKWq:2xXKHKbom0AmmUxMxrKWq

Score
8/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3.exe
    "C:\Users\Admin\AppData\Local\Temp\96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1808 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3.exe" & start C:\Users\Admin\AppData\Local\ocyrr.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 1808
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1496
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:1188
      • C:\Users\Admin\AppData\Local\ocyrr.exe
        C:\Users\Admin\AppData\Local\ocyrr.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\ocyrr.exe
    Filesize

    270KB

    MD5

    7c45bdaf8919499fc31986fd129f3baa

    SHA1

    e41e171a5a0a6e543bd177ea6c23132051d3cae1

    SHA256

    96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3

    SHA512

    fda6000e059be76facb4d838954e0c4c527a855745ce81557ce7f65c56188ce9a9ac9c744581399f0ecd6dda49028d886c3c815871d3f9314c9d72804764003d

    Download Submit

  • C:\Users\Admin\AppData\Local\ocyrr.exe
    Filesize

    270KB

    MD5

    7c45bdaf8919499fc31986fd129f3baa

    SHA1

    e41e171a5a0a6e543bd177ea6c23132051d3cae1

    SHA256

    96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3

    SHA512

    fda6000e059be76facb4d838954e0c4c527a855745ce81557ce7f65c56188ce9a9ac9c744581399f0ecd6dda49028d886c3c815871d3f9314c9d72804764003d

    Download Submit

  • \Users\Admin\AppData\Local\ocyrr.exe
    Filesize

    270KB

    MD5

    7c45bdaf8919499fc31986fd129f3baa

    SHA1

    e41e171a5a0a6e543bd177ea6c23132051d3cae1

    SHA256

    96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3

    SHA512

    fda6000e059be76facb4d838954e0c4c527a855745ce81557ce7f65c56188ce9a9ac9c744581399f0ecd6dda49028d886c3c815871d3f9314c9d72804764003d

    Download Submit

  • \Users\Admin\AppData\Local\ocyrr.exe
    Filesize

    270KB

    MD5

    7c45bdaf8919499fc31986fd129f3baa

    SHA1

    e41e171a5a0a6e543bd177ea6c23132051d3cae1

    SHA256

    96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3

    SHA512

    fda6000e059be76facb4d838954e0c4c527a855745ce81557ce7f65c56188ce9a9ac9c744581399f0ecd6dda49028d886c3c815871d3f9314c9d72804764003d

    Download Submit

  • \Users\Admin\AppData\Local\ocyrr.exe
    Filesize

    270KB

    MD5

    7c45bdaf8919499fc31986fd129f3baa

    SHA1

    e41e171a5a0a6e543bd177ea6c23132051d3cae1

    SHA256

    96bcd74dc87b835ed225fe754975c5f595a6951d503e9e7ca027748645be3dd3

    SHA512

    fda6000e059be76facb4d838954e0c4c527a855745ce81557ce7f65c56188ce9a9ac9c744581399f0ecd6dda49028d886c3c815871d3f9314c9d72804764003d

    Download Submit

  • memory/620-67-0x00000000007F0000-0x0000000000895000-memory.dmp

    Filesize

    660KB

    Download

  • memory/620-68-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

    Download

  • memory/620-69-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

    Download

  • memory/1808-57-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

    Download

  • memory/1808-54-0x0000000075511000-0x0000000075513000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1808-55-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

    Download