Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 08:37

General

  • Target

    be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b.exe

  • Size

    277KB

  • MD5

    44ead99f551ae0b54518a9bd8984c804

  • SHA1

    7469bf4550c4e09704671e01e235f8768ba0bc13

  • SHA256

    be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b

  • SHA512

    97d1fd1ff16a22eb2e70f9b3c13b939fa96b4b649f4ceafc5675ac90af6ec2c52ad2a7805d4e8c4eecab5a6db170a9efd5178badb743e19664a8f02b229f2ede

  • SSDEEP

    6144:9DU1afib8IPIebBGOuPQyvUQMH5zlGAK8qujiCfU:qafiNxtuPFvWA0PM

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

34d7012941994fddda049fc564013d4b

Attributes
  • reg_key

    34d7012941994fddda049fc564013d4b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 33 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b.exe
    "C:\Users\Admin\AppData\Local\Temp\be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Users\Admin\AppData\Local\Temp\expl----or------er.exe
      "C:\Users\Admin\AppData\Local\Temp\expl----or------er.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\expl----or------er.exe" "expl----or------er.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\expl----or------er.exe

    Filesize

    277KB

    MD5

    44ead99f551ae0b54518a9bd8984c804

    SHA1

    7469bf4550c4e09704671e01e235f8768ba0bc13

    SHA256

    be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b

    SHA512

    97d1fd1ff16a22eb2e70f9b3c13b939fa96b4b649f4ceafc5675ac90af6ec2c52ad2a7805d4e8c4eecab5a6db170a9efd5178badb743e19664a8f02b229f2ede

  • memory/1744-31-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/1744-30-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/1744-29-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/1744-28-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/1744-27-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/1744-26-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/1744-25-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-4-0x000000001C7E0000-0x000000001C886000-memory.dmp

    Filesize

    664KB

  • memory/4976-9-0x000000001CBA0000-0x000000001CBAC000-memory.dmp

    Filesize

    48KB

  • memory/4976-10-0x00007FF918475000-0x00007FF918476000-memory.dmp

    Filesize

    4KB

  • memory/4976-11-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-8-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-24-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-7-0x000000001CA70000-0x000000001CABC000-memory.dmp

    Filesize

    304KB

  • memory/4976-6-0x0000000001620000-0x0000000001628000-memory.dmp

    Filesize

    32KB

  • memory/4976-0-0x00007FF918475000-0x00007FF918476000-memory.dmp

    Filesize

    4KB

  • memory/4976-5-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-3-0x000000001C690000-0x000000001C72C000-memory.dmp

    Filesize

    624KB

  • memory/4976-2-0x000000001C120000-0x000000001C5EE000-memory.dmp

    Filesize

    4.8MB

  • memory/4976-1-0x00007FF9181C0000-0x00007FF918B61000-memory.dmp

    Filesize

    9.6MB