Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 18:13

General

  • Target

    3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

  • Size

    114KB

  • MD5

    107f97dc8dd9edb0daa63073ae4298a6

  • SHA1

    243d1108282836ea718fe8c27bb5b8f3b30a0bab

  • SHA256

    3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960

  • SHA512

    21e0ab98d15668ec5b56c0c902f1ef5109515c5da8abf431ad7e2190a063431c8e48199882d5da2cb4432754a4a72ef292ad40afaca39feec5bdd40e1990dd54

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Ro:w5eznsjsguGDFqGx8egoxmO3rRo

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 33 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe
    "C:\Users\Admin\AppData\Local\Temp\3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • 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:572
      • 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:2884
        • 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:2660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    114KB

    MD5

    c3d834c9236cc4ea6a3bc4fe7d028b59

    SHA1

    17787f8adff7b95ae7c03c07d8a6f5c7fe01cb38

    SHA256

    d3947e373c54411ba65340ad8a64ef02469b17f26c966a324386967339358725

    SHA512

    b25a6cad1c1c490d1b50d94fc2952edfabe23de403d1212785d504d547226a023d3b653fbc4e415428ff8c14973466e7aeb1ad7dedbe3bcbca3d0b86567ef85a

  • memory/572-19-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/572-16-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/572-17-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/572-26-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/572-27-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-2-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-1-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-15-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-0-0x0000000073D81000-0x0000000073D82000-memory.dmp

    Filesize

    4KB

  • memory/2548-18-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2884-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2884-25-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2884-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB