Analysis

  • max time kernel
    149s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2024 19:42

General

  • Target

    New Client.exe

  • Size

    164KB

  • MD5

    3020c25093319b8dbea0354a8c819790

  • SHA1

    7b1ba6774874cb8f58143da3ef48a4539c89679d

  • SHA256

    a80c5e926b48f4263ce1269ea307ec45d1ccae93f9e1e21f3922fbb022c87b59

  • SHA512

    1a4df5ed49a4041e3f9f93d527d389233dce44657a31ce06f3a22c98ffde4023c6c73a851aab79afff9d4e5d5f8934d6928350fc9e5cb295702e3c1d504f7893

  • SSDEEP

    3072:4aZr/YQa8KwW+/Lvcv89AN2VhR9HNr7DUE1/Y3QbTQ241h66elaH:4auMLEv89ANihRrrHnNYgbTghN

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 28 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 8 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 8 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2460
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 5
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2976
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2972
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2632
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 1
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3048
    • C:\Users\Admin\AppData\Local\Temp\Client.exe
      "C:\Users\Admin\AppData\Local\Temp\Client.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2532
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2784
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2956
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2092
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1792
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {22B6B940-FECC-43E6-85CE-13D1266BB5F3} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Users\Admin\AppData\Local\Temp\Client.exe
      C:\Users\Admin\AppData\Local\Temp\Client.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:316
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1392
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2456
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1956
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2468
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:764
    • C:\Users\Admin\AppData\Local\Temp\Client.exe
      C:\Users\Admin\AppData\Local\Temp\Client.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1504
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:272
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:864
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1752
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1536
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2264
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Client.exe

    Filesize

    164KB

    MD5

    3020c25093319b8dbea0354a8c819790

    SHA1

    7b1ba6774874cb8f58143da3ef48a4539c89679d

    SHA256

    a80c5e926b48f4263ce1269ea307ec45d1ccae93f9e1e21f3922fbb022c87b59

    SHA512

    1a4df5ed49a4041e3f9f93d527d389233dce44657a31ce06f3a22c98ffde4023c6c73a851aab79afff9d4e5d5f8934d6928350fc9e5cb295702e3c1d504f7893

  • memory/2172-0-0x0000000074441000-0x0000000074442000-memory.dmp

    Filesize

    4KB

  • memory/2172-1-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2172-2-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2172-3-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2172-13-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2172-14-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2172-22-0x0000000074440000-0x00000000749EB000-memory.dmp

    Filesize

    5.7MB