Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-09-2024 12:08

General

  • Target

    72293ccf33ff9da279c5460e9f7f7b20N.exe

  • Size

    116KB

  • MD5

    72293ccf33ff9da279c5460e9f7f7b20

  • SHA1

    7130e75bd5c85da908f9219cd0d04346d572a1d0

  • SHA256

    c1f607f590390883c97ab34350edc9a3afe00fc3ef14ad8b3ce3d651e836b2fa

  • SHA512

    b6679e1aef0962db3884e739f699258eb60914b6acf33aef4a693dcb812cc5a3a1664aa0028e91fc6f7c77869d47860b7213066f59947f25502856bfa50f75c7

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVr:P5eznsjsguGDFqGZ2rDL9

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\72293ccf33ff9da279c5460e9f7f7b20N.exe
    "C:\Users\Admin\AppData\Local\Temp\72293ccf33ff9da279c5460e9f7f7b20N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:864
    • 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:3940
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 84
          4⤵
          • Program crash
          PID:1708
      • 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:696
        • 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:4804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
    1⤵
      PID:3112

    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

      116KB

      MD5

      f847199c428ff9550926658427314c64

      SHA1

      808ee1da7ecfd5ecb4e83286eb269780ab05dba0

      SHA256

      4d7e30be4a97e544bc920a9d25f05409da2569c714c639fd8d9f25aaaad57891

      SHA512

      6d60ae356dc90e9bcaf32d7321b986095862604d4fe05cbe218043ced891a2ddcd2442c3c4f6a097aa986042b2e3a7fc2b8fbda12791445d04dd04613231b894

    • memory/696-33-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/696-32-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/696-23-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/696-29-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/696-31-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/864-6-0x0000000074A52000-0x0000000074A53000-memory.dmp

      Filesize

      4KB

    • memory/864-0-0x0000000074A52000-0x0000000074A53000-memory.dmp

      Filesize

      4KB

    • memory/864-19-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/864-7-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/864-2-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/864-1-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/3940-21-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/3940-30-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/3940-22-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB

    • memory/3940-20-0x0000000074A50000-0x0000000075001000-memory.dmp

      Filesize

      5.7MB