Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 19:08

General

  • Target

    1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe

  • Size

    23KB

  • MD5

    96795f99f9dd2b59b042964004acde86

  • SHA1

    0838a91ceb2faf90c4dba6a5d3f68963662a3d0e

  • SHA256

    1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7

  • SHA512

    1bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2

  • SSDEEP

    384:y+IGwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZME:/wTbC81NgRpcnum

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • 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.

  • 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe
    "C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3360
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    96795f99f9dd2b59b042964004acde86

    SHA1

    0838a91ceb2faf90c4dba6a5d3f68963662a3d0e

    SHA256

    1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7

    SHA512

    1bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2

  • memory/1468-0-0x0000000074C82000-0x0000000074C83000-memory.dmp

    Filesize

    4KB

  • memory/1468-1-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB

  • memory/1468-2-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB

  • memory/1468-12-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB

  • memory/3360-13-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB

  • memory/3360-14-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB

  • memory/3360-15-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB

  • memory/3360-16-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB

  • memory/3360-17-0x0000000074C80000-0x0000000075231000-memory.dmp

    Filesize

    5.7MB