Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2025 08:51

General

  • Target

    600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe

  • Size

    30KB

  • MD5

    d7fa71fa3dd283c8bb3d4c6ac76d7bf0

  • SHA1

    c98bf34843bd2d450ef77b7349816d54f363b16a

  • SHA256

    600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999

  • SHA512

    053f90ceb30595f0cf074bcff9e395b21ea0470ab769f9e54ccd038719f9077b7dcc93c5b3d5326a2bccca4e019e8ce1c553748282d342fc9f94685acf3957b3

  • SSDEEP

    768:ZWN1SPXImFO2n8dPiXVBTX6Cjs2x3i7jMCP8/qg/vE1:ZW7jmFZ8dPkfTK5286/qg/v2

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

meroelbob213.ddns.net:1177

Mutex

200f5d46ed258f031642c1880205412e

Attributes
  • reg_key

    200f5d46ed258f031642c1880205412e

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 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 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe
    "C:\Users\Admin\AppData\Local\Temp\600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    30KB

    MD5

    d7fa71fa3dd283c8bb3d4c6ac76d7bf0

    SHA1

    c98bf34843bd2d450ef77b7349816d54f363b16a

    SHA256

    600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999

    SHA512

    053f90ceb30595f0cf074bcff9e395b21ea0470ab769f9e54ccd038719f9077b7dcc93c5b3d5326a2bccca4e019e8ce1c553748282d342fc9f94685acf3957b3

  • memory/2192-12-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

    Filesize

    9.9MB

  • memory/2192-11-0x0000000000E70000-0x0000000000E7E000-memory.dmp

    Filesize

    56KB

  • memory/2192-14-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

    Filesize

    9.9MB

  • memory/2192-15-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

    Filesize

    9.9MB

  • memory/2192-16-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

    Filesize

    9.9MB

  • memory/2528-2-0x0000000000150000-0x000000000015E000-memory.dmp

    Filesize

    56KB

  • memory/2528-4-0x0000000000170000-0x000000000017C000-memory.dmp

    Filesize

    48KB

  • memory/2528-3-0x0000000000160000-0x0000000000168000-memory.dmp

    Filesize

    32KB

  • memory/2528-5-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

    Filesize

    9.9MB

  • memory/2528-1-0x00000000003C0000-0x00000000003CE000-memory.dmp

    Filesize

    56KB

  • memory/2528-13-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

    Filesize

    9.9MB

  • memory/2528-0-0x000007FEF5E93000-0x000007FEF5E94000-memory.dmp

    Filesize

    4KB