Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 21:29

General

  • Target

    62578782ed0143f5a85bbcbbdb5d09e23965f6e4635f3f407d3f1a78588fe8b0.exe

  • Size

    115KB

  • MD5

    0fd1d7365b2b05de06efb168426cc01b

  • SHA1

    dcaea9116bf266bdc3d57b9f8705033791ddb349

  • SHA256

    62578782ed0143f5a85bbcbbdb5d09e23965f6e4635f3f407d3f1a78588fe8b0

  • SHA512

    1c02de96a5c28fb7b9ea481188da457583e6c9b2dc31daefca6182e94f7268921627af78eb5efb95b2b478d294f90511fa62447ee056b9ed2646138b4d94d201

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdes:P5eznsjsguGDFqGZ2r9

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\62578782ed0143f5a85bbcbbdb5d09e23965f6e4635f3f407d3f1a78588fe8b0.exe
    "C:\Users\Admin\AppData\Local\Temp\62578782ed0143f5a85bbcbbdb5d09e23965f6e4635f3f407d3f1a78588fe8b0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3308
    • 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:4008
      • 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:2172
        • 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:3436
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4304,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4140 /prefetch:8
    1⤵
      PID:2888

    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

      115KB

      MD5

      8340d915146d19c0d366ac05c5a01347

      SHA1

      e8b87fafc912cfc6f445bb56ea90e5f0214b6188

      SHA256

      5ee94c4e0203ec459c0bc87220b4f0db00e129ccc89796e40c564e60c7f472c4

      SHA512

      1326395812870f923a785e8b31efe5ea5ba2d13182be7791ac0006d28ecd626ac90059a47309ae1ccfcf95ba7822fc966922a77796df590bd4e84e97965b1a0a

    • memory/2172-23-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2172-30-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/2172-29-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/2172-28-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/3308-7-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/3308-19-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/3308-0-0x0000000074662000-0x0000000074663000-memory.dmp

      Filesize

      4KB

    • memory/3308-6-0x0000000074662000-0x0000000074663000-memory.dmp

      Filesize

      4KB

    • memory/3308-2-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/3308-1-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/4008-20-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/4008-22-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/4008-21-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/4008-27-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB