Analysis

  • max time kernel
    44s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:56

General

  • Target

    0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65.exe

  • Size

    424KB

  • MD5

    71f01b78a45ba903a9f7cad4beee8511

  • SHA1

    6347bb8353bab5eb34901ca5a9c16e51e3781bcb

  • SHA256

    0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65

  • SHA512

    df7a532630038573b6c7d6937e3b7082c570c0696cc5517bfdacb1cfc59aceb28683a49cc3b88123737e9be26baa6cd1c07854dfd4b62cf021ffe61b4241add8

  • SSDEEP

    6144:Khw2iWEIYVQ5AFZn1yiRnxqFcIjlbgZ6d8U7DdwW9bI2:1NIYq5AxpZIBbO6N7DdxP

Score
8/10

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
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65.exe
    "C:\Users\Admin\AppData\Local\Temp\0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1172 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65.exe" & start C:\Users\Admin\AppData\Local\WCKQOC~1.EXE -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 1172
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1976
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:908
      • C:\Users\Admin\AppData\Local\wckqocnvu.exe
        C:\Users\Admin\AppData\Local\WCKQOC~1.EXE -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\wckqocnvu.exe

    Filesize

    424KB

    MD5

    71f01b78a45ba903a9f7cad4beee8511

    SHA1

    6347bb8353bab5eb34901ca5a9c16e51e3781bcb

    SHA256

    0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65

    SHA512

    df7a532630038573b6c7d6937e3b7082c570c0696cc5517bfdacb1cfc59aceb28683a49cc3b88123737e9be26baa6cd1c07854dfd4b62cf021ffe61b4241add8

  • C:\Users\Admin\AppData\Local\wckqocnvu.exe

    Filesize

    424KB

    MD5

    71f01b78a45ba903a9f7cad4beee8511

    SHA1

    6347bb8353bab5eb34901ca5a9c16e51e3781bcb

    SHA256

    0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65

    SHA512

    df7a532630038573b6c7d6937e3b7082c570c0696cc5517bfdacb1cfc59aceb28683a49cc3b88123737e9be26baa6cd1c07854dfd4b62cf021ffe61b4241add8

  • \Users\Admin\AppData\Local\wckqocnvu.exe

    Filesize

    424KB

    MD5

    71f01b78a45ba903a9f7cad4beee8511

    SHA1

    6347bb8353bab5eb34901ca5a9c16e51e3781bcb

    SHA256

    0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65

    SHA512

    df7a532630038573b6c7d6937e3b7082c570c0696cc5517bfdacb1cfc59aceb28683a49cc3b88123737e9be26baa6cd1c07854dfd4b62cf021ffe61b4241add8

  • \Users\Admin\AppData\Local\wckqocnvu.exe

    Filesize

    424KB

    MD5

    71f01b78a45ba903a9f7cad4beee8511

    SHA1

    6347bb8353bab5eb34901ca5a9c16e51e3781bcb

    SHA256

    0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65

    SHA512

    df7a532630038573b6c7d6937e3b7082c570c0696cc5517bfdacb1cfc59aceb28683a49cc3b88123737e9be26baa6cd1c07854dfd4b62cf021ffe61b4241add8

  • \Users\Admin\AppData\Local\wckqocnvu.exe

    Filesize

    424KB

    MD5

    71f01b78a45ba903a9f7cad4beee8511

    SHA1

    6347bb8353bab5eb34901ca5a9c16e51e3781bcb

    SHA256

    0c812dfb1a04bb0f7567dad5c7604db6350544bba08b2baf5ab02d912c700d65

    SHA512

    df7a532630038573b6c7d6937e3b7082c570c0696cc5517bfdacb1cfc59aceb28683a49cc3b88123737e9be26baa6cd1c07854dfd4b62cf021ffe61b4241add8

  • memory/908-59-0x0000000000000000-mapping.dmp

  • memory/1172-57-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/1172-54-0x0000000075571000-0x0000000075573000-memory.dmp

    Filesize

    8KB

  • memory/1172-55-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/1568-63-0x0000000000000000-mapping.dmp

  • memory/1568-67-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/1568-68-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/1976-58-0x0000000000000000-mapping.dmp

  • memory/2000-56-0x0000000000000000-mapping.dmp