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Analysis

  • max time kernel
    196s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 02:41

General

  • Target

    7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe

  • Size

    43KB

  • MD5

    7c6c657834382d43c50d04ee26c33e90

  • SHA1

    7f51d70498d88cf7e67c3a57b18ccfb3ec8f3ddd

  • SHA256

    7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861

  • SHA512

    804692b04b857b0f11c3f82f4db2a3dd4e22425bc1f6f54a76c233ba43a92ebb5bc40ba6cf6049cdcc30dce5097ebac430c57f92a9a8fc3884e924d0389396bf

  • SSDEEP

    768:OXYSubt6xO5wNtf98kitNT6J/2oO/aDvy:FSf5soOjuy

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe
    "C:\Users\Admin\AppData\Local\Temp\7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:568
      • 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:708

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    7c6c657834382d43c50d04ee26c33e90

    SHA1

    7f51d70498d88cf7e67c3a57b18ccfb3ec8f3ddd

    SHA256

    7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861

    SHA512

    804692b04b857b0f11c3f82f4db2a3dd4e22425bc1f6f54a76c233ba43a92ebb5bc40ba6cf6049cdcc30dce5097ebac430c57f92a9a8fc3884e924d0389396bf

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

    Filesize

    43KB

    MD5

    7c6c657834382d43c50d04ee26c33e90

    SHA1

    7f51d70498d88cf7e67c3a57b18ccfb3ec8f3ddd

    SHA256

    7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861

    SHA512

    804692b04b857b0f11c3f82f4db2a3dd4e22425bc1f6f54a76c233ba43a92ebb5bc40ba6cf6049cdcc30dce5097ebac430c57f92a9a8fc3884e924d0389396bf

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

    Filesize

    43KB

    MD5

    7c6c657834382d43c50d04ee26c33e90

    SHA1

    7f51d70498d88cf7e67c3a57b18ccfb3ec8f3ddd

    SHA256

    7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861

    SHA512

    804692b04b857b0f11c3f82f4db2a3dd4e22425bc1f6f54a76c233ba43a92ebb5bc40ba6cf6049cdcc30dce5097ebac430c57f92a9a8fc3884e924d0389396bf

  • memory/568-63-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

  • memory/568-65-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

  • memory/960-54-0x0000000075591000-0x0000000075593000-memory.dmp

    Filesize

    8KB

  • memory/960-55-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

  • memory/960-62-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB