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Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2024, 06:01

General

  • Target

    Server.exe

  • Size

    43KB

  • MD5

    096c893336194f84c8c12680e33ce18f

  • SHA1

    4c2f0cfe820211539d2ecaab80a2a675f78dc7c7

  • SHA256

    271d3edb1fe545ec7018231b0a1ff40e1454fbc9befe96049b2f629aaddf8905

  • SHA512

    0b68d7a2706ec1253352dfc0972f3dca80687d96aa090cb0610d389bae8909e60e5ea64a07dadbfb41a5e55096269c67cfe947e190d3f2f3be1e01fc7303b507

  • SSDEEP

    768:IkhB38+7iJ1SUk27YrK9eTO2ww5E1T6H8jHfYqvtO1Sx4r1hCSNTY7h4HCCjPka:HaenkSU36dsSw4HCCrk

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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).

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\AppData\Roaming\Trojan.exe
      "C:\Users\Admin\AppData\Roaming\Trojan.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Trojan.exe

    Filesize

    43KB

    MD5

    096c893336194f84c8c12680e33ce18f

    SHA1

    4c2f0cfe820211539d2ecaab80a2a675f78dc7c7

    SHA256

    271d3edb1fe545ec7018231b0a1ff40e1454fbc9befe96049b2f629aaddf8905

    SHA512

    0b68d7a2706ec1253352dfc0972f3dca80687d96aa090cb0610d389bae8909e60e5ea64a07dadbfb41a5e55096269c67cfe947e190d3f2f3be1e01fc7303b507

  • memory/60-0-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/60-2-0x0000000001300000-0x0000000001310000-memory.dmp

    Filesize

    64KB

  • memory/60-1-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/60-13-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/3100-14-0x0000000000D90000-0x0000000000DA0000-memory.dmp

    Filesize

    64KB

  • memory/3100-12-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/3100-17-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB