Analysis

  • max time kernel
    171s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:05

General

  • Target

    c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe

  • Size

    750KB

  • MD5

    9d6fd7dc4f96fff0534b1359eecaeacc

  • SHA1

    e16116d254b2e0ef49d26fb5fb04f44272963d27

  • SHA256

    c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538

  • SHA512

    09923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d

  • SSDEEP

    12288:cyr7r4GeadGrukA67OKWHKUzhxEfYrKxT5Jx+CMuicLp0MicMwk9FbBbA:ciVWSVKyjEBxFCap0Zwk9FbS

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe
    "C:\Users\Admin\AppData\Local\Temp\c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Users\Admin\AppData\Local\Temp\boxfox.exe
      "C:\Users\Admin\AppData\Local\Temp\boxfox.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\boxfox.exe" "boxfox.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1944

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\boxfox.exe
    Filesize

    750KB

    MD5

    9d6fd7dc4f96fff0534b1359eecaeacc

    SHA1

    e16116d254b2e0ef49d26fb5fb04f44272963d27

    SHA256

    c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538

    SHA512

    09923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d

  • C:\Users\Admin\AppData\Local\Temp\boxfox.exe
    Filesize

    750KB

    MD5

    9d6fd7dc4f96fff0534b1359eecaeacc

    SHA1

    e16116d254b2e0ef49d26fb5fb04f44272963d27

    SHA256

    c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538

    SHA512

    09923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d

  • \Users\Admin\AppData\Local\Temp\boxfox.exe
    Filesize

    750KB

    MD5

    9d6fd7dc4f96fff0534b1359eecaeacc

    SHA1

    e16116d254b2e0ef49d26fb5fb04f44272963d27

    SHA256

    c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538

    SHA512

    09923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d

  • \Users\Admin\AppData\Local\Temp\boxfox.exe
    Filesize

    750KB

    MD5

    9d6fd7dc4f96fff0534b1359eecaeacc

    SHA1

    e16116d254b2e0ef49d26fb5fb04f44272963d27

    SHA256

    c67d1d60e9c9df329b3305823bb86f9ca06240f5f1d08d11e5bef5d30ac5d538

    SHA512

    09923f8ceeb8a6a53dbfb83201bb1d493a2e0a74715ea969cd35b9ba7ac0370eab5c22ccd713c7f775c7138e4371f88cce8c717b36bff0ca2bee40aacaa9a63d

  • memory/688-59-0x0000000000000000-mapping.dmp
  • memory/688-63-0x0000000074900000-0x0000000074EAB000-memory.dmp
    Filesize

    5.7MB

  • memory/688-67-0x0000000074900000-0x0000000074EAB000-memory.dmp
    Filesize

    5.7MB

  • memory/976-54-0x0000000075E61000-0x0000000075E63000-memory.dmp
    Filesize

    8KB

  • memory/976-55-0x0000000074900000-0x0000000074EAB000-memory.dmp
    Filesize

    5.7MB

  • memory/976-56-0x0000000074900000-0x0000000074EAB000-memory.dmp
    Filesize

    5.7MB

  • memory/976-66-0x0000000074900000-0x0000000074EAB000-memory.dmp
    Filesize

    5.7MB

  • memory/1944-64-0x0000000000000000-mapping.dmp