Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 03:38

General

  • Target

    f488aa53749f03f1ad69f5b12db763e181a0401adbb83e283b6b863b335e6bcf.exe

  • Size

    116KB

  • MD5

    38dc1d3d98444017aeff0f31bc1961e4

  • SHA1

    40d0b0a84a98cbdd3df4c849411f5146b419035e

  • SHA256

    f488aa53749f03f1ad69f5b12db763e181a0401adbb83e283b6b863b335e6bcf

  • SHA512

    72769b2b0970c62c85ce987b3768215615b1df8c91f34d577ba320c5c91d9ef73ecc66ae07c7a3e63f957fae9f6b7903ca91bafc080d7cdd51c9ccad4d28dad4

  • SSDEEP

    3072:TctNnuGdxuHJr2SLp2FoYYT+jAAm6/AE6f7Z:sNnLnup5LDrT+0h60

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed 2025

C2

chipo.publicvm.com:1177

Mutex

61bdc0e17a9f9215df162e0317b9e135

Attributes
  • reg_key

    61bdc0e17a9f9215df162e0317b9e135

  • splitter

    |'|'|

Signatures

  • 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
  • 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 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f488aa53749f03f1ad69f5b12db763e181a0401adbb83e283b6b863b335e6bcf.exe
    "C:\Users\Admin\AppData\Local\Temp\f488aa53749f03f1ad69f5b12db763e181a0401adbb83e283b6b863b335e6bcf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    116KB

    MD5

    38dc1d3d98444017aeff0f31bc1961e4

    SHA1

    40d0b0a84a98cbdd3df4c849411f5146b419035e

    SHA256

    f488aa53749f03f1ad69f5b12db763e181a0401adbb83e283b6b863b335e6bcf

    SHA512

    72769b2b0970c62c85ce987b3768215615b1df8c91f34d577ba320c5c91d9ef73ecc66ae07c7a3e63f957fae9f6b7903ca91bafc080d7cdd51c9ccad4d28dad4

  • memory/2028-9-0x000007FEF5300000-0x000007FEF5C9D000-memory.dmp

    Filesize

    9.6MB

  • memory/2028-10-0x000007FEF5300000-0x000007FEF5C9D000-memory.dmp

    Filesize

    9.6MB

  • memory/2028-13-0x000007FEF5300000-0x000007FEF5C9D000-memory.dmp

    Filesize

    9.6MB

  • memory/3044-0-0x000007FEF55BE000-0x000007FEF55BF000-memory.dmp

    Filesize

    4KB

  • memory/3044-1-0x0000000000560000-0x000000000056C000-memory.dmp

    Filesize

    48KB

  • memory/3044-2-0x000007FEF5300000-0x000007FEF5C9D000-memory.dmp

    Filesize

    9.6MB

  • memory/3044-3-0x000007FEF5300000-0x000007FEF5C9D000-memory.dmp

    Filesize

    9.6MB

  • memory/3044-11-0x000007FEF5300000-0x000007FEF5C9D000-memory.dmp

    Filesize

    9.6MB