Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2024 03:00

General

  • Target

    e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe

  • Size

    23KB

  • MD5

    f68c20330fdee2070e69d93398bb7ad0

  • SHA1

    487d39ca68ab8cb04fffd96b4418a7d091834592

  • SHA256

    e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2

  • SHA512

    081cc86e1970e14bc70217d1bc02a18536551d0df703dc0e8fa5fda226d70b9a9fdab2ea07e4a21cac3edd971914e15f85249cd3c789d36aa9842d0c7ab01602

  • SSDEEP

    384:IoWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIp:37O89p2rRpcnuD

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\e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe
    "C:\Users\Admin\AppData\Local\Temp\e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\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:2428
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    23KB

    MD5

    f68c20330fdee2070e69d93398bb7ad0

    SHA1

    487d39ca68ab8cb04fffd96b4418a7d091834592

    SHA256

    e351d3690cf0fb32b3535ff1ccb284893f95cc309a23859a7cbe0436856ea7f2

    SHA512

    081cc86e1970e14bc70217d1bc02a18536551d0df703dc0e8fa5fda226d70b9a9fdab2ea07e4a21cac3edd971914e15f85249cd3c789d36aa9842d0c7ab01602

  • memory/2428-12-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/2428-14-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/2428-15-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/4700-0-0x00000000745E2000-0x00000000745E3000-memory.dmp

    Filesize

    4KB

  • memory/4700-1-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/4700-2-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/4700-13-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB