Analysis

  • max time kernel
    114s
  • max time network
    118s
  • 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 19:29

General

  • Target

    eb2639a63a2f15de26bcd921fcb27140N.exe

  • Size

    118KB

  • MD5

    eb2639a63a2f15de26bcd921fcb27140

  • SHA1

    3472a08c4361729ced3df8a78a416bf6bb1f1a38

  • SHA256

    3b453aa11bb950c800159371c084919acfab0c68affad8a913330d16cf11125b

  • SHA512

    56cd625891b4f83e9463510cafb7cfe95ae1bbf41a546e60cf5b0ae17994e8dfcf34c2df0ba1e40f7cc8785636c19c1a277cc4aa382e01f4d88609d1479295b9

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLX:P5eznsjsguGDFqGZ2rDLX

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\eb2639a63a2f15de26bcd921fcb27140N.exe
    "C:\Users\Admin\AppData\Local\Temp\eb2639a63a2f15de26bcd921fcb27140N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1216
    • 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:1144
      • 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:1400
        • 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:532

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

    eb6e3302873b8ebe277101062c38f28f

    SHA1

    1748c0f4fa91ce8b0477b54e7140a3ce46e8e682

    SHA256

    a5935654804c4905cee4860e6e414b726c374f3c7d5860ca4f6928302966096e

    SHA512

    1f673064be4e2ec8eb49915cb835b1d377a795bd54c396e1762dd949c878304dbe519ef7997acb32427e254e33bcb63efe1de09b2d9df55b2d196d3761932529

  • memory/1144-22-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1144-21-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1144-29-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1144-23-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-19-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-20-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-0-0x0000000075482000-0x0000000075483000-memory.dmp

    Filesize

    4KB

  • memory/1216-6-0x0000000075482000-0x0000000075483000-memory.dmp

    Filesize

    4KB

  • memory/1216-2-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-1-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1216-7-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1400-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1400-28-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1400-30-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/1400-31-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB