Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 14:51

General

  • Target

    fotos_motel.exe

  • Size

    23KB

  • MD5

    677204a44ba4647089f651b4aef4c8b2

  • SHA1

    401cfce35cfb81ece7eefd2354a5fb0cd05bf1d2

  • SHA256

    7a559980416b5a8cb2b5197c4b449462d637f88136037fd75c3138d18fddd20a

  • SHA512

    2a2735305289e9b9baf22e1312030247c9f5e91bca606afb1ff1e9b161a19dbcb616a04c8f366e8260a75c5a84f78fe9c1b6302e9aaae1dcafe474bc25793066

  • SSDEEP

    384:t98aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZSC:t1Y+sNKqNHnSdRpcnua

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Pwned

C2

host315.ddns.net:9922

Mutex

1b6ca0ec95b6c35b2a743fc3c0b2c0db

Attributes
  • reg_key

    1b6ca0ec95b6c35b2a743fc3c0b2c0db

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 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).

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fotos_motel.exe
    "C:\Users\Admin\AppData\Local\Temp\fotos_motel.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.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:2892
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    23KB

    MD5

    677204a44ba4647089f651b4aef4c8b2

    SHA1

    401cfce35cfb81ece7eefd2354a5fb0cd05bf1d2

    SHA256

    7a559980416b5a8cb2b5197c4b449462d637f88136037fd75c3138d18fddd20a

    SHA512

    2a2735305289e9b9baf22e1312030247c9f5e91bca606afb1ff1e9b161a19dbcb616a04c8f366e8260a75c5a84f78fe9c1b6302e9aaae1dcafe474bc25793066

  • memory/2816-0-0x00000000747F1000-0x00000000747F2000-memory.dmp

    Filesize

    4KB

  • memory/2816-1-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-2-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-11-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-12-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-10-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-13-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB