Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 23:52

General

  • Target

    78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d.exe

  • Size

    114KB

  • MD5

    af7ea3b57fd952e696e71fae02e6c00a

  • SHA1

    9199f1090c12f7f020f4f45939235c92c68eb94b

  • SHA256

    78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d

  • SHA512

    f1d7c1b2d2b261d76c758d63f1be7af7fe8a94e22e43110bdcefc913fb8d11503963174b622db63bc9cc0de754f4b4b164f2320caab6cff76d3e046f7b2e4a34

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rmu:w5eznsjsguGDFqGx8egoxmO3rRmu

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\78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d.exe
    "C:\Users\Admin\AppData\Local\Temp\78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1912
    • 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:1920
      • 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:2040
        • 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:2564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    114KB

    MD5

    169a3ed02374b07b08d2b196df779e88

    SHA1

    3c434be79509e2ee090713360666870d6da86e7a

    SHA256

    6b39aa89abec1272e6584a26ae57efb47f4e005484ab5a71e27f947d688b92cd

    SHA512

    4815539e32641fb9b3692e0b9c64e9f43e0864435c5ae416ef5231f9a07eb1622d2263c45b756bbef34450ecb67b8835e75ad39f2875f574b4929ccb0929c590

  • memory/1912-15-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/1912-1-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/1912-2-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/1912-0-0x0000000074921000-0x0000000074922000-memory.dmp

    Filesize

    4KB

  • memory/1920-18-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-16-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-17-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-25-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-26-0x0000000074920000-0x0000000074ECB000-memory.dmp

    Filesize

    5.7MB

  • memory/2040-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2040-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2040-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB