Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 05:13

General

  • Target

    bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe

  • Size

    90KB

  • MD5

    87de72343fd19318094ca373dd66f612

  • SHA1

    a86314555f9f10cea08252ea238c8a2cdaef7ec9

  • SHA256

    bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638

  • SHA512

    687e0b0830e2cae530b5d927e0ec26e3f82ce26868ed45031fcdc25941d908c5e6db797bb022ddfb645d1113852a8e6055c17768425a9bf722ee983cb20bc609

  • SSDEEP

    1536:G4vU6liMCyyzLLD3plFUljOzbKH7apWeCRrb2rK:VK9LD5Cj7HGMt2rK

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

jamalnajjar123.ddns.net:1177

Mutex

f5aa1406a7e0e081de9e13df98df5d5f

Attributes
  • reg_key

    f5aa1406a7e0e081de9e13df98df5d5f

  • 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 27 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe
    "C:\Users\Admin\AppData\Local\Temp\bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\servare.exe
      "C:\Users\Admin\AppData\Local\Temp\servare.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:2080
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\servare.exe" "servare.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    87de72343fd19318094ca373dd66f612

    SHA1

    a86314555f9f10cea08252ea238c8a2cdaef7ec9

    SHA256

    bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638

    SHA512

    687e0b0830e2cae530b5d927e0ec26e3f82ce26868ed45031fcdc25941d908c5e6db797bb022ddfb645d1113852a8e6055c17768425a9bf722ee983cb20bc609

  • memory/2080-15-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-13-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-14-0x0000000001290000-0x00000000012AC000-memory.dmp

    Filesize

    112KB

  • memory/2080-18-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-19-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2248-2-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/2248-3-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2248-4-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2248-5-0x0000000000420000-0x000000000042C000-memory.dmp

    Filesize

    48KB

  • memory/2248-1-0x00000000009F0000-0x0000000000A0C000-memory.dmp

    Filesize

    112KB

  • memory/2248-0-0x000000007453E000-0x000000007453F000-memory.dmp

    Filesize

    4KB

  • memory/2248-16-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB