Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2024 21:12

General

  • Target

    bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe

  • Size

    100KB

  • MD5

    3d5d5001a558f06c8013f35d0708817c

  • SHA1

    41642aec0b7ea7010c71ed512e952de75745112b

  • SHA256

    bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239

  • SHA512

    a69346e463a6bee2ac84b6596d3faa74d3d527c53a52759d61c5a80bead05ae8a4fd49533807e54ffa518c09ca8937424ceb6604797225de35133ab3f2fd6724

  • SSDEEP

    1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4eP:d5eznsjsguGDFqG

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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe
    "C:\Users\Admin\AppData\Local\Temp\bc39b35fe49d2d8ffbfdbeb9f99c138919b2dc8acbfa8ee089c959b1270f1239.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2584
    • 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:2996
      • 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:2844
        • 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:1760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    100KB

    MD5

    dc84dac12a953f88b78f77fd85c0e5e6

    SHA1

    63421bf49639529a7cbe5caf5553b7ad862d367f

    SHA256

    816a92e1714fdb612333afb1af496f68c70d3c31b47c559f83b5cbbd52c3714f

    SHA512

    64c02cdd6071c92e02add0bfdba86ea43f5534cf521679692cdb11bfafaf208be6b747c89f0466283a9c1a3fdb04e6290e231c14b876d368c5293202170121f7

  • memory/2584-0-0x0000000074CE1000-0x0000000074CE2000-memory.dmp

    Filesize

    4KB

  • memory/2584-1-0x0000000074CE0000-0x000000007528B000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-2-0x0000000074CE0000-0x000000007528B000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-15-0x0000000074CE0000-0x000000007528B000-memory.dmp

    Filesize

    5.7MB

  • memory/2844-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2844-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2844-18-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2996-16-0x0000000074CE0000-0x000000007528B000-memory.dmp

    Filesize

    5.7MB

  • memory/2996-17-0x0000000074CE0000-0x000000007528B000-memory.dmp

    Filesize

    5.7MB

  • memory/2996-24-0x0000000074CE0000-0x000000007528B000-memory.dmp

    Filesize

    5.7MB

  • memory/2996-25-0x0000000074CE0000-0x000000007528B000-memory.dmp

    Filesize

    5.7MB