Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:13

General

  • Target

    82eb00f02e7f035adb6a08912ec1b957.exe

  • Size

    23KB

  • MD5

    82eb00f02e7f035adb6a08912ec1b957

  • SHA1

    d2294c34098d10dfe623c6db5be71077fb803c2d

  • SHA256

    054388334d4d0d9fa1e45e259880b2b5874379351f664bc6d4b130fe44ec122d

  • SHA512

    dcf9df9cadc79ff2fcfce17605fb669cec5cc58ea5bfddd5446d05a169bf57e6a8ffb6149086be7953337a12849205f56aec7c72e0b457bdf70093ac0f86d1e2

  • SSDEEP

    384:fwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZB+v:0TbC81NgRpcnuJ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

aali13212.ddns.net:1177

Mutex

1579703444a5d397a491c60a5505be31

Attributes
  • reg_key

    1579703444a5d397a491c60a5505be31

  • 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
  • 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\82eb00f02e7f035adb6a08912ec1b957.exe
    "C:\Users\Admin\AppData\Local\Temp\82eb00f02e7f035adb6a08912ec1b957.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    82eb00f02e7f035adb6a08912ec1b957

    SHA1

    d2294c34098d10dfe623c6db5be71077fb803c2d

    SHA256

    054388334d4d0d9fa1e45e259880b2b5874379351f664bc6d4b130fe44ec122d

    SHA512

    dcf9df9cadc79ff2fcfce17605fb669cec5cc58ea5bfddd5446d05a169bf57e6a8ffb6149086be7953337a12849205f56aec7c72e0b457bdf70093ac0f86d1e2

  • memory/2068-10-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

  • memory/2068-11-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

  • memory/2068-14-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-0-0x0000000074E71000-0x0000000074E72000-memory.dmp

    Filesize

    4KB

  • memory/2736-1-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-2-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-12-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB