Analysis

  • max time kernel
    112s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 13:36

General

  • Target

    34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe

  • Size

    95KB

  • MD5

    28cfadb2dc13d3274d30e5117757420f

  • SHA1

    1364505c347631d3b33b36c9f6497abff3d35f2e

  • SHA256

    34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560

  • SHA512

    435bab82617962e03442de4b1c65af8291c3e633703670abaf6ad379e989c34724318f7fc12f4354b9557a82b06f86fc66f16a53b96dfc8b154f6f15aa3e491b

  • SSDEEP

    1536:8+ZQMGdeUwljEoKayOxdcJx7OXMHwhkVfjobkZKQ5x1AkSpoHHNLHieBbq:8+ZQMtU9Jx7OXMHwhkVfjobkZKQ5x1Du

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

scammer

C2

oxy01.linkpc.net:1177

Mutex

08f4dc96bbb7af09d1a37fe35c75a42f

Attributes
  • reg_key

    08f4dc96bbb7af09d1a37fe35c75a42f

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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
  • 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 behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe
    "C:\Users\Admin\AppData\Local\Temp\34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    95KB

    MD5

    28cfadb2dc13d3274d30e5117757420f

    SHA1

    1364505c347631d3b33b36c9f6497abff3d35f2e

    SHA256

    34a843564645e75e6e95cf4bf079dcdf56ba51eca758cad65e0d986bbe359560

    SHA512

    435bab82617962e03442de4b1c65af8291c3e633703670abaf6ad379e989c34724318f7fc12f4354b9557a82b06f86fc66f16a53b96dfc8b154f6f15aa3e491b

  • memory/3288-20-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-19-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-21-0x00000000059C0000-0x0000000005A52000-memory.dmp

    Filesize

    584KB

  • memory/3288-22-0x00000000059B0000-0x00000000059BA000-memory.dmp

    Filesize

    40KB

  • memory/3288-23-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-24-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-2-0x0000000005330000-0x00000000053CC000-memory.dmp

    Filesize

    624KB

  • memory/4796-3-0x0000000001460000-0x000000000146E000-memory.dmp

    Filesize

    56KB

  • memory/4796-4-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-5-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/4796-1-0x0000000000940000-0x0000000000960000-memory.dmp

    Filesize

    128KB

  • memory/4796-18-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-0-0x000000007515E000-0x000000007515F000-memory.dmp

    Filesize

    4KB