Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2024 02:24

General

  • Target

    ca556149fa9f0ba30343e099d1d852bcf3eba68c718482c8b8f209b8cf72efb4.exe

  • Size

    118KB

  • MD5

    49662dc212b6d65608e8a3a4eaae3317

  • SHA1

    9d197ec092c4b7970e29997f077d8937002e919a

  • SHA256

    ca556149fa9f0ba30343e099d1d852bcf3eba68c718482c8b8f209b8cf72efb4

  • SHA512

    ebb844b6d059865f1ffd902490e0f178a08de2e78ddd565d34452d8b1a6a761028fce6b71c8663fb1b35563713f1b9ad479d49aaf90f410e7434449f6645585b

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLJU:P5eznsjsguGDFqGZ2rDLu

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 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca556149fa9f0ba30343e099d1d852bcf3eba68c718482c8b8f209b8cf72efb4.exe
    "C:\Users\Admin\AppData\Local\Temp\ca556149fa9f0ba30343e099d1d852bcf3eba68c718482c8b8f209b8cf72efb4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3500
    • 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:3036
      • 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:3116
        • 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:3064

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

    118KB

    MD5

    27af584f0a85c6f7e34e790b62a380d7

    SHA1

    ef0a9f4a83dde53a4243a8919fc4d2e2239646e8

    SHA256

    961e1980ef10397e2ef92ca3004e1847e47284528c916efc6da95ad9b096b247

    SHA512

    c85cdf0da130b590b92152bc1f5eb5a47bdce9c8dbcc540d54fad5f00a8bf0ba72bceed91a9af87e48d48697860fec8ff4b5ee70ae7a8acdb2d7521285fa0aa5

  • memory/3036-19-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3036-18-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3036-24-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3116-25-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-26-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-27-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-17-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-0-0x0000000074802000-0x0000000074803000-memory.dmp

    Filesize

    4KB

  • memory/3500-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB