Analysis

  • max time kernel
    112s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 17:13

General

  • Target

    7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe

  • Size

    113KB

  • MD5

    1a8383ed5aa8a0c43c1437044532b200

  • SHA1

    4091c04389e4a52711b699801aeccca10f95b41c

  • SHA256

    7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216

  • SHA512

    c7ea9d63486ab2c7f425853661e478fb3c3737ad2a2ba22351ab2f76ae1396e2b97ead5dfa541c40ca87c536e1df1a6f7fe9486e9a6c0f50e0af708d07d9ddd9

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73v7:w5eznsjsguGDFqGx8egoxmO3rv7

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 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 4 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 25 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe
    "C:\Users\Admin\AppData\Local\Temp\7818d48041e19c88709113ec72fe00f3164285d90bd1f5a1de553e806229b216N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2692
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    113KB

    MD5

    c70f46ef853ba8468b72cdccfb1ce3dd

    SHA1

    2d809b557c5111bc08c0e7ae2cee97e799255d48

    SHA256

    a9a0ad12c1e7690f6660368a9e63d82fc64bbb134f1a86b5c5a6cec13bb75352

    SHA512

    5f329b154be81f8f39ce099fdd5d3ab484bceb144411c26a9c28e6979cc290aa0586aaa60e9e22110bb926a61e83b42e0a54292c9c7f112282e237ccb7b9e696

  • memory/2176-25-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2176-18-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2176-17-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2176-26-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-2-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-6-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-1-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-16-0x00000000743A0000-0x000000007494B000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-0-0x00000000743A1000-0x00000000743A2000-memory.dmp

    Filesize

    4KB

  • memory/2692-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2692-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2692-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB