Analysis

  • max time kernel
    147s
  • max time network
    139s
  • 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 20:49

General

  • Target

    3e6c291122fb5de9f4a7d38c12b60183fa57a6c5dfeaa9911c6da0b9474ff471.exe

  • Size

    118KB

  • MD5

    601bd6bf8366d33d06de5f6720541eb0

  • SHA1

    8163f1c7e8d31b2dc22c506e410ea651e9ba179f

  • SHA256

    3e6c291122fb5de9f4a7d38c12b60183fa57a6c5dfeaa9911c6da0b9474ff471

  • SHA512

    acedaa904d5e483f60f1481123821e30a21ee61a25149bb2f4cd55ba76b19035c94555982102b3f26db6e16bf4a14c328892aec607248a95f0759e2b4c48e59b

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLfz:P5eznsjsguGDFqGZ2rDLfz

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\3e6c291122fb5de9f4a7d38c12b60183fa57a6c5dfeaa9911c6da0b9474ff471.exe
    "C:\Users\Admin\AppData\Local\Temp\3e6c291122fb5de9f4a7d38c12b60183fa57a6c5dfeaa9911c6da0b9474ff471.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • 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:4452
      • 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:1908
        • 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:1344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    90f73dc81ca62948bed830d7d62fd158

    SHA1

    342d6a0d025efd6bb3376bffadc77af4fe82c1e3

    SHA256

    c1fc7e761b5721288dd2f332ebd111c709bb75b79a0e289b6b02a6025d2cc1c9

    SHA512

    b16d82856cf1462463d053b9b76bce06b52a7b2fbd27e541c7e0806522f0516c01a267afc292a5a04aa60f115f2d929a0424cc8ce58460305b8204f529b47c4e

  • memory/1908-25-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/1908-27-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/1908-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1908-26-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-1-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-2-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-17-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-0-0x0000000074AF2000-0x0000000074AF3000-memory.dmp

    Filesize

    4KB

  • memory/4452-19-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4452-24-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4452-18-0x0000000074AF0000-0x00000000750A1000-memory.dmp

    Filesize

    5.7MB