Analysis

  • max time kernel
    166s
  • max time network
    83s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:51

General

  • Target

    ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe

  • Size

    90KB

  • MD5

    42b85bf274ff08817f995c38c37b1ff0

  • SHA1

    2e7cdeaf89f1276a928d732d7b7f93f1ba2f1746

  • SHA256

    ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9

  • SHA512

    cbb1f8e4ea85ec20173d65289af3df37af6c7dd1efd2fe7f15bf802bea89046f4231d057dd352c3a205657b48d85c61c3220cb4afe900bfaa2df307cd9677c1c

  • SSDEEP

    1536:WwHTYXvGC2Ek61ZNe2cIBGh90nEmhOZOEpn1qtMyO8j2cK3As6T92HQEoub5IgQd:JTY/5k6fEnxSjRTiQEo45fQn4vK

Score
8/10

Malware Config

Signatures

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

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe
    "C:\Users\Admin\AppData\Local\Temp\ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    90KB

    MD5

    42b85bf274ff08817f995c38c37b1ff0

    SHA1

    2e7cdeaf89f1276a928d732d7b7f93f1ba2f1746

    SHA256

    ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9

    SHA512

    cbb1f8e4ea85ec20173d65289af3df37af6c7dd1efd2fe7f15bf802bea89046f4231d057dd352c3a205657b48d85c61c3220cb4afe900bfaa2df307cd9677c1c

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    90KB

    MD5

    42b85bf274ff08817f995c38c37b1ff0

    SHA1

    2e7cdeaf89f1276a928d732d7b7f93f1ba2f1746

    SHA256

    ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9

    SHA512

    cbb1f8e4ea85ec20173d65289af3df37af6c7dd1efd2fe7f15bf802bea89046f4231d057dd352c3a205657b48d85c61c3220cb4afe900bfaa2df307cd9677c1c

  • \Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    90KB

    MD5

    42b85bf274ff08817f995c38c37b1ff0

    SHA1

    2e7cdeaf89f1276a928d732d7b7f93f1ba2f1746

    SHA256

    ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9

    SHA512

    cbb1f8e4ea85ec20173d65289af3df37af6c7dd1efd2fe7f15bf802bea89046f4231d057dd352c3a205657b48d85c61c3220cb4afe900bfaa2df307cd9677c1c

  • memory/1984-62-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/1984-64-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2028-54-0x0000000075511000-0x0000000075513000-memory.dmp

    Filesize

    8KB

  • memory/2028-61-0x00000000748D0000-0x0000000074E7B000-memory.dmp

    Filesize

    5.7MB