Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 22:58

General

  • Target

    9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe

  • Size

    43KB

  • MD5

    48843eb13139cd336dd997d873b7ef60

  • SHA1

    d3f2cf851060da0979b7e5d2da47b4c3a786bf76

  • SHA256

    9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979

  • SHA512

    b200414e0fe08c8b9ad3407b5ddbb7a37d862d85c81da3db9a46f1863ef855eba86ded687ab32cc2156a82ea4ddd6dc0fe1f6a0f4cbce2c1d4712eb6d53981c8

  • SSDEEP

    384:mZyaoR5ctOnwtOyW6jlyci8EqnQ4Es472IBzgIij+ZsNO3PlpJKkkjh/TzF7pWnF:8UqAwt/W6pyci8EqQ0479uXQ/om3+L

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:9096

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe
    "C:\Users\Admin\AppData\Local\Temp\9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\solaraV4.exe
      "C:\Users\Admin\AppData\Local\Temp\solaraV4.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:456
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:208
  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    C:\Users\Admin\AppData\Local\Temp/Server.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\solaraV4.exe

    Filesize

    43KB

    MD5

    48843eb13139cd336dd997d873b7ef60

    SHA1

    d3f2cf851060da0979b7e5d2da47b4c3a786bf76

    SHA256

    9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979

    SHA512

    b200414e0fe08c8b9ad3407b5ddbb7a37d862d85c81da3db9a46f1863ef855eba86ded687ab32cc2156a82ea4ddd6dc0fe1f6a0f4cbce2c1d4712eb6d53981c8

  • memory/456-17-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/456-22-0x0000000005990000-0x000000000599A000-memory.dmp

    Filesize

    40KB

  • memory/456-21-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/456-15-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/456-20-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-28-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-26-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-25-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-4-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-16-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-5-0x0000000005970000-0x0000000005A02000-memory.dmp

    Filesize

    584KB

  • memory/4744-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

    Filesize

    4KB

  • memory/4744-3-0x0000000005DF0000-0x0000000006394000-memory.dmp

    Filesize

    5.6MB

  • memory/4744-2-0x00000000055A0000-0x000000000563C000-memory.dmp

    Filesize

    624KB

  • memory/4744-1-0x0000000000B90000-0x0000000000BA2000-memory.dmp

    Filesize

    72KB