Analysis

  • max time kernel
    114s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 23:12

General

  • Target

    d494aec172ef0b67022cad68c60705a0N.exe

  • Size

    114KB

  • MD5

    d494aec172ef0b67022cad68c60705a0

  • SHA1

    6cb7606a6a123e7533807a114005c6b1f1a57892

  • SHA256

    e8cec7fbe551dc2e9f8aec6fe77a172e2ce6b47ce43350b7f17013ee8c6b4b98

  • SHA512

    480c6596ea6c1cf9c039cddea0b2ac54d87ab28a0a1948c900b328f17a2034db9996c81ca3a9c9cfa4085637cdcfccbbea02a114f62ad8ca4786aa1ee992eea0

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuM1W:P5eznsjsguGDFqGZ2r8

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 25 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d494aec172ef0b67022cad68c60705a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\d494aec172ef0b67022cad68c60705a0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4488
    • 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:3612
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:4448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 80
          4⤵
          • Program crash
          PID:4380
      • 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:1300
        • 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:3392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4448 -ip 4448
    1⤵
      PID:2376

    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

      114KB

      MD5

      05b6426ea41d2cf716323d9ef7f7eeeb

      SHA1

      937fe5c384e5e18f398af601fa643032bf741541

      SHA256

      2e9dfa52d74f834b9b5749af6154c27602c920f96929081d08d882cfaa66fd20

      SHA512

      7b52e10dd884bd7f6081cb38247197c76d2a62f3078b1d156ddf055097c4ccb51d6936de0554b2690d22cf97a38008a4afc6c9baaca3d3d6e52c291c778c7028

    • memory/1300-26-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/1300-20-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1300-28-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/1300-29-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/3612-18-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/3612-19-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/3612-27-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/4488-2-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/4488-17-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/4488-1-0x0000000075420000-0x00000000759D1000-memory.dmp

      Filesize

      5.7MB

    • memory/4488-0-0x0000000075422000-0x0000000075423000-memory.dmp

      Filesize

      4KB