Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 02:26

General

  • Target

    5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe

  • Size

    114KB

  • MD5

    01147c2d8d629fb6a6902102f2513f01

  • SHA1

    21dbf1fa09d529fc00a598567449ca09f059f0ec

  • SHA256

    5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1

  • SHA512

    0a7f6087ca037036c6295ddecc121a7d9c244a81da12515f16b6db81454a84a4f68054a6533bd0ea6fbf05131c26f679f9332b9b2d50d002669b434ae3a8c433

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vry:w5eznsjsguGDFqGx8egoxmO3rvm

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
    "C:\Users\Admin\AppData\Local\Temp\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2404
    • 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:2304
      • 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:2568
        • 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:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    114KB

    MD5

    47f503044fdf665a97e16aa0669ea4da

    SHA1

    3b3f6a96d8ec3dae919d2be87b572a48889123ae

    SHA256

    d3eaea1b3a809c20a3da5438ead8bd55a7ee4846c81aa89063a6570523fc09bd

    SHA512

    2e7ca94d4ffc5c8707c56655f9a3b3915fb92a0070b20033eafd20d370efe2427f95adbd3682479a9d8fae1d9ebde9d4875b18e90ef6310d0cd2ef4d47401fe9

  • memory/2304-17-0x00000000743E0000-0x000000007498B000-memory.dmp

    Filesize

    5.7MB

  • memory/2304-16-0x00000000743E0000-0x000000007498B000-memory.dmp

    Filesize

    5.7MB

  • memory/2304-18-0x00000000743E0000-0x000000007498B000-memory.dmp

    Filesize

    5.7MB

  • memory/2304-25-0x00000000743E0000-0x000000007498B000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-0-0x00000000743E1000-0x00000000743E2000-memory.dmp

    Filesize

    4KB

  • memory/2404-1-0x00000000743E0000-0x000000007498B000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-2-0x00000000743E0000-0x000000007498B000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-15-0x00000000743E0000-0x000000007498B000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2568-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2568-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB