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Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 22:33

General

  • Target

    50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe

  • Size

    110KB

  • MD5

    abb0c749c613d62fc1a1a2ca696409ef

  • SHA1

    54a6d6e056d459018c3b850fafe72765c52dc5f8

  • SHA256

    50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f

  • SHA512

    847bbd1f85d6dbcd59d790af2aa5542e461dc2e1c654d6ef8a52b513e80be9c2cf82b8d49c1eecb6967e8101d9ff9821977893b200d84fe22f35b32190f9c6d1

  • SSDEEP

    3072:e02Hz+fdxuHJr2SLp2FoYYT+jAAm6/A0Me:/nup5LDrT+0h6

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed 2025

C2

chipo.publicvm.com:1177

Mutex

61bdc0e17a9f9215df162e0317b9e135

Attributes
  • reg_key

    61bdc0e17a9f9215df162e0317b9e135

  • splitter

    |'|'|

Signatures

  • 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 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe
    "C:\Users\Admin\AppData\Local\Temp\50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\chrome.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\Local\Temp\chrome.exe" "chrome.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    110KB

    MD5

    abb0c749c613d62fc1a1a2ca696409ef

    SHA1

    54a6d6e056d459018c3b850fafe72765c52dc5f8

    SHA256

    50aa36f5127822980c319dca7322160aed25ebed0fdfeb536ffd677bc823691f

    SHA512

    847bbd1f85d6dbcd59d790af2aa5542e461dc2e1c654d6ef8a52b513e80be9c2cf82b8d49c1eecb6967e8101d9ff9821977893b200d84fe22f35b32190f9c6d1

  • memory/2240-0-0x000007FEF5F0E000-0x000007FEF5F0F000-memory.dmp

    Filesize

    4KB

  • memory/2240-1-0x0000000000480000-0x000000000048C000-memory.dmp

    Filesize

    48KB

  • memory/2240-2-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2240-3-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2240-9-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-11-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-10-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-13-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

    Filesize

    9.6MB