Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 08:11

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
  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b.exe
    "C:\Users\Admin\AppData\Local\Temp\be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2888
    • 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:2924
      • 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:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    277KB

    MD5

    44ead99f551ae0b54518a9bd8984c804

    SHA1

    7469bf4550c4e09704671e01e235f8768ba0bc13

    SHA256

    be554d5a1699c2f889ffaba65b73037a81a02ceb7e5c949f57f2fa421bc4454b

    SHA512

    97d1fd1ff16a22eb2e70f9b3c13b939fa96b4b649f4ceafc5675ac90af6ec2c52ad2a7805d4e8c4eecab5a6db170a9efd5178badb743e19664a8f02b229f2ede

  • memory/2888-3-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-2-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-0-0x000007FEF5D8E000-0x000007FEF5D8F000-memory.dmp

    Filesize

    4KB

  • memory/2888-4-0x00000000001E0000-0x00000000001EC000-memory.dmp

    Filesize

    48KB

  • memory/2888-5-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-1-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-11-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2924-12-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2924-13-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2924-14-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2924-15-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2924-16-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB

  • memory/2924-17-0x000007FEF5AD0000-0x000007FEF646D000-memory.dmp

    Filesize

    9.6MB