Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:16

General

  • Target

    c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe

  • Size

    115KB

  • MD5

    4bfc91ad73afd3925f3116fd870c6e65

  • SHA1

    6715e01e71153f24cece377d6be80ed513e0acc2

  • SHA256

    c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297

  • SHA512

    daf2d857a96a5f71f670a0c352b365268df4a4a723a07f9d38c466265239eb30589afd8eed7971d1e8781a129c8c962c316014d4c07e1857352d2a217ad2e240

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDI3:P5eznsjsguGDFqGZ2rDI3

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
  • 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 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
    "C:\Users\Admin\AppData\Local\Temp\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4968
    • 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:1480
      • 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:3192
        • 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:3748

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

    115KB

    MD5

    8fa274f8f4cc1e28a3cc8a508aab1233

    SHA1

    594fc4d5519ab1ac6e18511558536b4642484f03

    SHA256

    f60a87b87eedf60e207e0fd0818dfeb5f13fc24654fce9d22d19afbc37b832e2

    SHA512

    09a99bd430f0d13d6f22d0bf37e22043345fa6597e326c49a6e8cafc948205549dc08858aa0891ab2d4f605855d7d16bb45fe1e4b5c61eeb14ab5958778b2e84

  • memory/1480-29-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1480-21-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1480-23-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1480-22-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3192-30-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3192-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3192-28-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4968-20-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4968-19-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4968-1-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4968-0-0x0000000074B02000-0x0000000074B03000-memory.dmp

    Filesize

    4KB

  • memory/4968-6-0x0000000074B02000-0x0000000074B03000-memory.dmp

    Filesize

    4KB

  • memory/4968-2-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4968-7-0x0000000074B00000-0x00000000750B1000-memory.dmp

    Filesize

    5.7MB