Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2024 00:50

General

  • Target

    f0f41a9bda22da851ecafcd69666fb73_JaffaCakes118.exe

  • Size

    538KB

  • MD5

    f0f41a9bda22da851ecafcd69666fb73

  • SHA1

    b5f6dd57b4f77e3ecde6dc863557401696feb6a5

  • SHA256

    5b0d776d373c0195d06e08a7aa9d482d3d0d1f91161fa6a3f02376edd70a2321

  • SHA512

    1ed9deb42d9e28e73b337c83081db26f9e9e985da0e1b00a4f1debfd3b952ea6b94789ec328fdd843e9996458e6db82c970d0f94fd10f92f6f986ecc786ca16d

  • SSDEEP

    12288:werJ+vB8cAkvZo8iFIMPykLDZavM3d5tJaRibByNAlN:+CcAkRZrSwm5tf

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Dahia

C2

hajrsehi.ddns.net:1177

Mutex

123899f12e668b238c13e4330d862929

Attributes
  • reg_key

    123899f12e668b238c13e4330d862929

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell and hide display window.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 3 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.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0f41a9bda22da851ecafcd69666fb73_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f0f41a9bda22da851ecafcd69666fb73_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\f0f41a9bda22da851ecafcd69666fb73_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupFile.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2820
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -command New-ItemProperty 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -Name "RegStartup" -Value C:\Users\Admin\AppData\Local\Temp\f0f41a9bda22da851ecafcd69666fb73_JaffaCakes118.exe -PropertyType "String"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Users\Admin\AppData\Local\Temp\son.exe
      "C:\Users\Admin\AppData\Local\Temp\son.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\son.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupFile.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops startup file
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2976
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -command New-ItemProperty 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -Name "RegStartup" -Value C:\Users\Admin\AppData\Local\Temp\son.exe -PropertyType "String"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\son.exe" "son.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    c92e99f37efb9cab536845cb4b0ced5a

    SHA1

    70c84ed3809267a738a0f1f7faea373052f04ec3

    SHA256

    25d770b43787f451d058e5404b98ec4491a49d6a8f86f44f0689e58693a9e66c

    SHA512

    70f8bc864a3a4223586890aaf7589f6e3e219e3222ff122be1c4b7e38ba9930bcb1abec418d0401922614497f12fd0ec60b961ade101909aae71bccea4e8456d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupFile.exe

    Filesize

    538KB

    MD5

    024e42c830c24619c2d7281e91371411

    SHA1

    2ffcc2cf6e671d6def40a9943259407b657a4e7b

    SHA256

    757649dffa49c3abf150351c4b28f40549a9be2d730239e83c412162e00c0ad0

    SHA512

    87d75b1f83548bdad0fdf6b7f462edd3cf498853abc31ba24d1845e499896d34afe3d1758d837290f40e6b0a1b7f7837896925309a620647185f7ce643ebfa81

  • \Users\Admin\AppData\Local\Temp\son.exe

    Filesize

    538KB

    MD5

    f0f41a9bda22da851ecafcd69666fb73

    SHA1

    b5f6dd57b4f77e3ecde6dc863557401696feb6a5

    SHA256

    5b0d776d373c0195d06e08a7aa9d482d3d0d1f91161fa6a3f02376edd70a2321

    SHA512

    1ed9deb42d9e28e73b337c83081db26f9e9e985da0e1b00a4f1debfd3b952ea6b94789ec328fdd843e9996458e6db82c970d0f94fd10f92f6f986ecc786ca16d

  • memory/800-20-0x0000000000F20000-0x0000000000FAC000-memory.dmp

    Filesize

    560KB

  • memory/2644-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

    Filesize

    4KB

  • memory/2644-1-0x0000000000CA0000-0x0000000000D2C000-memory.dmp

    Filesize

    560KB

  • memory/2644-2-0x0000000074E10000-0x00000000754FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-12-0x00000000006B0000-0x00000000006BC000-memory.dmp

    Filesize

    48KB

  • memory/2644-21-0x0000000074E10000-0x00000000754FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2820-5-0x00000000028B0000-0x00000000028F0000-memory.dmp

    Filesize

    256KB