Analysis

  • max time kernel
    145s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2024, 15:49

General

  • Target

    35114bc980d4d737f8f5e9c0eed79f91.exe

  • Size

    113KB

  • MD5

    35114bc980d4d737f8f5e9c0eed79f91

  • SHA1

    c47cc7f5d9547c530babad777c45506bcd983ad0

  • SHA256

    3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18

  • SHA512

    705a1ecb277b048574ef4056f5131804b62f077ce1cb085e5dec40d558f97e95d882539f072402541aaa8e54c26768dea8d0f53fdb86ff9cc83b3b991158d17b

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vrU:w5eznsjsguGDFqGx8egoxmO3rvA

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\35114bc980d4d737f8f5e9c0eed79f91.exe
    "C:\Users\Admin\AppData\Local\Temp\35114bc980d4d737f8f5e9c0eed79f91.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2248
    • 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:2804
      • 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:2592
        • 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:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    113KB

    MD5

    73d80da7648a0c44dab10e069127bbee

    SHA1

    5f1873c4109d24ad5dbcc6a02f1215c355090364

    SHA256

    297fc589dbff5475d53be7d666b046166eb75fc55bc3a8c8872a76c31b6c21e9

    SHA512

    7023c6d423718797e50108ee464198203778d651634efd172e22b95e315d06c180fe3abe7da5b3c91dc8b4e57a49bd26aeb72202c3a762baa1d3613600609068

  • memory/2248-14-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2248-1-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2248-2-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2248-0-0x0000000074A51000-0x0000000074A52000-memory.dmp

    Filesize

    4KB

  • memory/2592-25-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2592-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2592-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2804-16-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-18-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-19-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-17-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-26-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB