Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 12:01

General

  • Target

    7a29d3b5d443431f45f1ae41a988ece0N.exe

  • Size

    111KB

  • MD5

    7a29d3b5d443431f45f1ae41a988ece0

  • SHA1

    15e178c99c4b64310564ce90d441a02e5d60511f

  • SHA256

    f77060e1af9efc5a10c35727ce8ba28b4f8228ce0ca2a3a04423895a5d0e8161

  • SHA512

    1381eca0ee52d6b0d118df952cff851e5f43e1cfc252497fa0e2f560244a676948a7248f425af462672390aa350eeb71c740ccf6925dc217f7980288051ccde3

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73m:w5eznsjsguGDFqGx8egoxmO3rm

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 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 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 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a29d3b5d443431f45f1ae41a988ece0N.exe
    "C:\Users\Admin\AppData\Local\Temp\7a29d3b5d443431f45f1ae41a988ece0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2676
    • 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:2732
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2504
      • 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:2516
        • 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:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    111KB

    MD5

    961af5885dead348441ed30d7534205b

    SHA1

    bbe57ffbed159d5743c8f383cba5061761f0b5b0

    SHA256

    aacca8cbfa4e6645c6f86ce9b9e27db8247a456f00b0c7f515551f8e11dca257

    SHA512

    3135fb85359f7cff213949cc1a0627d0df623ca6dbd8132378e1f412c3015f0f3f9314317478e8c144881aaee28064ccc329a5662c9c909ce4ea2bbb7d66eafa

  • memory/2516-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2516-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2516-26-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2676-6-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-17-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-0-0x00000000740A1000-0x00000000740A2000-memory.dmp

    Filesize

    4KB

  • memory/2676-2-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-1-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-16-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-18-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-27-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-28-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB