Overview

overview

10

Static

static

10

JaffaCakes...bc.exe

windows7-x64

10

JaffaCakes...bc.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 06:30

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General

  • Target

    JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe

  • Size

    165KB

  • MD5

    dfdec291a53f62834e81d192af2fb64e

  • SHA1

    959f8ffa233dd320b100258724adfe69b71144a5

  • SHA256

    5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc

  • SHA512

    e7560f6a230f37f18faf4876aae015e3e0050f0ea6f09a637e53cb559abbd020ec48e8e971f055641ecf8057e928493e1469ef56b1bfeede533bad48c95e23d9

  • SSDEEP

    3072:vVpwQ/8KbV8nKet98UL0ZCN4CEgEamqlZbb25BF1ilZ:dpvOsZ6+tq3bi3FG

Score
10/10
njratdiscoverypersistencetrojan

Malware Config

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • 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
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 33 IoCs

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

    discovery
  • Kills process with taskkill 10 IoCs
    evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 9 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.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:1680
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1272
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe" /sc minute /mo 5
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:112
    • 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:2324
    • 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:2352
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2492
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe" /sc minute /mo 1
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2720
    • C:\Users\Admin\AppData\Roaming\Client.exe
      "C:\Users\Admin\AppData\Roaming\Client.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:480
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2080
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2104
      • 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:1676
      • 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:2860
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2436
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2420
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {304AC375-CD66-41DC-A7E7-F1427125172E} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2144
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2380
      • 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:1572
      • 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:1208
    • C:\Users\Admin\AppData\Roaming\Client.exe
      C:\Users\Admin\AppData\Roaming\Client.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2024
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2904
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2172
      • 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:2988
      • 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:1700
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1260
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2796
    • C:\Users\Admin\AppData\Roaming\Client.exe
      C:\Users\Admin\AppData\Roaming\Client.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1288
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2088
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2684
      • 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:2620
      • 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:2304
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3028
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2864

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\Client.exe
    Filesize

    165KB

    MD5

    dfdec291a53f62834e81d192af2fb64e

    SHA1

    959f8ffa233dd320b100258724adfe69b71144a5

    SHA256

    5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc

    SHA512

    e7560f6a230f37f18faf4876aae015e3e0050f0ea6f09a637e53cb559abbd020ec48e8e971f055641ecf8057e928493e1469ef56b1bfeede533bad48c95e23d9

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  • memory/1680-0-0x0000000074051000-0x0000000074052000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1680-1-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1680-2-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1680-3-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1680-11-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1680-12-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1680-20-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

    Download