Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 04:47

General

  • Target

    d9884c666564a3e3fb82982a0792657432fe7a1bc86dae7af5cb1aa99a5ec657.exe

  • Size

    117KB

  • MD5

    5c44e365514e92fec251174baa189e99

  • SHA1

    d263cd0dabac3190ca47753fa71fafa19239e6dd

  • SHA256

    d9884c666564a3e3fb82982a0792657432fe7a1bc86dae7af5cb1aa99a5ec657

  • SHA512

    46d1364c67e72661f25a3cf8325fae0170b924434344832cfc1e1a32fcb456e0605b0e2dd0869d8e49f2a929d54aaa6b0ca47f4f20f51ef19545287a9f3357db

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLL:P5eznsjsguGDFqGZ2rDLL

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 3 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.

  • Program crash 1 IoCs
  • 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9884c666564a3e3fb82982a0792657432fe7a1bc86dae7af5cb1aa99a5ec657.exe
    "C:\Users\Admin\AppData\Local\Temp\d9884c666564a3e3fb82982a0792657432fe7a1bc86dae7af5cb1aa99a5ec657.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2212
    • 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:1980
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:4828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 80
          4⤵
          • Program crash
          PID:3632
      • 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:3972
        • 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:4312
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4828 -ip 4828
    1⤵
      PID:5108

    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

      117KB

      MD5

      3f2c7377bf17a4d596e2b398f3e6922b

      SHA1

      aaa38f78b0a9f7cf993e9a776b3905a174c6809d

      SHA256

      9fcd98a3d71a22b3672399790ab4b08cc59133ba51a37ecadadf8ca2688a9384

      SHA512

      18a8417285462bef0c37b5a4ff3f2d74410c16fdc1093487a1a4c518ac91d081111b3e7854ad9ad572bd95295212f04b238aade2ebb0e170416446c8b2182dfb

    • memory/1980-18-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/1980-19-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/1980-27-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/2212-0-0x00000000748C2000-0x00000000748C3000-memory.dmp

      Filesize

      4KB

    • memory/2212-1-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/2212-2-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/2212-17-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/3972-20-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3972-26-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/3972-28-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB