Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 01:12

General

  • Target

    73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3.exe

  • Size

    110KB

  • MD5

    0dcc21bdebe05957ca2922be486abe22

  • SHA1

    8bcbd8a839a58e0050c17221e6a1cc775f07586b

  • SHA256

    73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3

  • SHA512

    0752ba22340fd3383132243580cb28a147e67b42bb920af8c0fde491d550556fdfa296e70d94f2ce9798faddd0dad4664e2c2edda8f6604b9ba9e63e8f875e0f

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh737:w5eznsjsguGDFqGx8egoxmO3r7

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\73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3.exe
    "C:\Users\Admin\AppData\Local\Temp\73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2912
    • 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:3780
      • 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:1664
        • 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:2876

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

    110KB

    MD5

    c80c265b3cbc9570649ee24f9dea2454

    SHA1

    05b7458ce706b77ead85827865aabe1e20619c28

    SHA256

    41e3e4a083be183f94216cb5438e5768afa5b72761b86cfb302d55b826f439e7

    SHA512

    ad0362d06e7ffe157699a8f055f280fabe4f89f39ffc34c22f0ff10fc5237ac298e7ba8f936c73727a11b447e11c0d97d55b747ad9942585d2be988337408eea

  • memory/1664-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1664-30-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-27-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-29-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-7-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-19-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-20-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-0-0x0000000074632000-0x0000000074633000-memory.dmp

    Filesize

    4KB

  • memory/2912-6-0x0000000074632000-0x0000000074633000-memory.dmp

    Filesize

    4KB

  • memory/2912-2-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-1-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3780-21-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3780-22-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3780-28-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB