Analysis

  • max time kernel
    113s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 18:25

General

  • Target

    41b47975c4ff5e6765136d1d7eb4f920N.exe

  • Size

    109KB

  • MD5

    41b47975c4ff5e6765136d1d7eb4f920

  • SHA1

    c23bd9b148973fe186f64967b624afd20d9b436b

  • SHA256

    5ba1bda0c7717941dcd453bc2fd31dde89a70f9983e741bb33a475bbe679cc40

  • SHA512

    7aafac2dd8a3139525d10446978c9347ac1c15f572cd8dfe53ad1d300da6495515fd33eb28438eddb2d7745c24a558214a999c6bcbf837054c63bc4efc456a65

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73jj:w5eznsjsguGDFqGx8egoxmO3rf

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 25 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41b47975c4ff5e6765136d1d7eb4f920N.exe
    "C:\Users\Admin\AppData\Local\Temp\41b47975c4ff5e6765136d1d7eb4f920N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2960
    • 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:1148
      • 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:2892
        • 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:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    109KB

    MD5

    f9c96abd68251830f6757ecb2417072a

    SHA1

    b46962940895ead58c6cc4695436081b06e95723

    SHA256

    e3845aa0cb46db71a3323c6d65ec0b3a8deebbc26efe8a9a0900e88a3e594994

    SHA512

    c654400c8f72d57cbe10ed2c0b2d6e1c189dacef1f18d3b0d1ebfceefc9914061e2e2fbb3f20a129334224ab35c3c849f2c12e78a2c56851fe54cefcbc571440

  • memory/1148-16-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/1148-23-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/1148-24-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2892-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2892-17-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2960-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

    Filesize

    4KB

  • memory/2960-1-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2960-2-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB

  • memory/2960-15-0x00000000741C0000-0x000000007476B000-memory.dmp

    Filesize

    5.7MB