Analysis

  • max time kernel
    119s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 01:03

General

  • Target

    af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe

  • Size

    102KB

  • MD5

    24195853ff2e9a4d421d1c77cc86c5b1

  • SHA1

    c00af4632d37f2a4d5198eff0bb08f5d7478632f

  • SHA256

    af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e

  • SHA512

    dedeb06f18c6306fc069e9e722e037606aa39200c1196bff20ce894ab4b12ca70367e7f7cd66d91a9353c8844ac774965f1d676c5e0f15945a7e4c2783bc8380

  • SSDEEP

    3072:0C3MFMCcB/tldVNFa1Vt05DHlFi2h7d8vCCYvyi:0C86CcB/tldVNFax+Di2hxIdCn

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

douda

C2

love2014.ddns.net:5584

Mutex

77ee8a49b5a8f18159dc862b4f0bcfb0

Attributes
  • reg_key

    77ee8a49b5a8f18159dc862b4f0bcfb0

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • 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).

  • 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.

  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe
    "C:\Users\Admin\AppData\Local\Temp\af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Roaming\LMS.exe
      "C:\Users\Admin\AppData\Roaming\LMS.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\LMS.exe" "LMS.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    102KB

    MD5

    24195853ff2e9a4d421d1c77cc86c5b1

    SHA1

    c00af4632d37f2a4d5198eff0bb08f5d7478632f

    SHA256

    af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e

    SHA512

    dedeb06f18c6306fc069e9e722e037606aa39200c1196bff20ce894ab4b12ca70367e7f7cd66d91a9353c8844ac774965f1d676c5e0f15945a7e4c2783bc8380

  • memory/2052-0-0x000007FEF587E000-0x000007FEF587F000-memory.dmp

    Filesize

    4KB

  • memory/2052-1-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2052-2-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2052-3-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2052-4-0x0000000000450000-0x000000000045C000-memory.dmp

    Filesize

    48KB

  • memory/2052-12-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-10-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-11-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-13-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-15-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-16-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB