Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2024 15:55

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:1544
    • 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:2656
      • 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:1704
        • 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:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    100KB

    MD5

    9e29d62d145bd4e88a1f8a2560dd62ab

    SHA1

    a973299e347524167e4278bcd62f5515dff0d669

    SHA256

    deee2e221564eac5d616fa47f86114272e7f11a2c21418c42a13a5e78f81412e

    SHA512

    c6aed89784ee007cf7ab4b6ecc10d63cd4ae1f899123057d510c5a2cf4b0fe556e8fd7abaeca3232511d7ab5784d2b320fb3abe6d79b3d62013c613334b53bd9

  • memory/1544-0-0x0000000074761000-0x0000000074762000-memory.dmp

    Filesize

    4KB

  • memory/1544-1-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1544-2-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1544-15-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1544-16-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1704-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1704-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1704-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2656-17-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-25-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-18-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-26-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB