Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 15:09

General

  • Target

    3c6ae580c9a8c901402006e2cc4c18e0N.exe

  • Size

    114KB

  • MD5

    3c6ae580c9a8c901402006e2cc4c18e0

  • SHA1

    cec8a398145da2dd940b72a49eea67406a762224

  • SHA256

    a58c8621d5502657c2ccd4501f83b4dcd122a92156e9134d18eb0b113c716da4

  • SHA512

    309db7b5f8d5adcabbd77a6c53ca7099c44d0155802af7250e25aa3639cf821402011325ae10e8521bcf041857382b0df14553a4c3cbf3e6ac1f8c9a976f735c

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMJ:P5eznsjsguGDFqGZ2rJ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • 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 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c6ae580c9a8c901402006e2cc4c18e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3c6ae580c9a8c901402006e2cc4c18e0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4720
    • 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:2360
      • 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:3368
        • 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:980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

    Filesize

    114KB

    MD5

    aac331d382c9b482fd3983f7dc15f97c

    SHA1

    6758973bb2f07f0ab605912efecf05cacdcdd487

    SHA256

    5ed8bdf43256d73220b63fb9e5ae353f00a453496f58a3a8603c7e4d19484571

    SHA512

    a944d4c9abf9911f4785f70c7ccccbe035d36c6b4e08662c5dc294d72a0150e010e65e3cf45d793e36547b9e0494f2386244fed7e479347becd937cd06083a5e

  • memory/2360-26-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2360-18-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2360-19-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2360-20-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3368-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3368-25-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3368-27-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3368-28-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3368-29-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4720-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

    Filesize

    4KB

  • memory/4720-17-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4720-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4720-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB