Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2024 22:16

General

  • Target

    7D9BDFD79D19C3747B6C8A901A87A6CB.exe

  • Size

    118KB

  • MD5

    7d9bdfd79d19c3747b6c8a901a87a6cb

  • SHA1

    bc1172b55a0444a917ee38da653258366d21b6a0

  • SHA256

    3d7efcd6d8aea2ac2b5ef051dc9933ab37400132b9f54d5ac042748b92e43c4b

  • SHA512

    e8c14a6643776b9111f90e2a73f182970327cc562d1602dd78724be0b037136766b775161fd09bacc6692040d2e1da1fe3d286a01f078dff5f8c1c9f4a73a4c9

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOA:P5eznsjsguGDFqGZ2rDL14FOA

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7D9BDFD79D19C3747B6C8A901A87A6CB.exe
    "C:\Users\Admin\AppData\Local\Temp\7D9BDFD79D19C3747B6C8A901A87A6CB.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2540
    • 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:1856
      • 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:2936
        • 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:4244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

    Filesize

    118KB

    MD5

    ed6b87d104ff9a125bfc55f1d25f0857

    SHA1

    939b0d368beea2dfb72abd00f265c39339b53005

    SHA256

    3a217b820c42c81c43a1ffb120e4cffb86724cd25b565f7c327a9757b7621930

    SHA512

    3b66a2d9466fe1702aeb05cbeb266caeb93f8f229fe6ded0e05227f823ad46fb28e4c94cc2d02b80f88d957362e20a8413cd3311d6146da684b6c88b8bed1773

  • memory/1856-18-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/1856-17-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/1856-24-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

    Filesize

    4KB

  • memory/2540-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-16-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2936-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2936-25-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2936-23-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/2936-26-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB