Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    30-07-2024 20:05

General

  • Target

    79dbbe2f3e73d24d661219c593a8bfa1_JaffaCakes118.exe

  • Size

    426KB

  • MD5

    79dbbe2f3e73d24d661219c593a8bfa1

  • SHA1

    e9b2994905b29235881c8cb7ce7af6e96ec89d54

  • SHA256

    111e6fb4fa87fa887a993c4284c4d0c05a608af2e82807ef0c06a99a450fd641

  • SHA512

    29d77ff3893f350a8bad4be8eebe53154b00cee6539ec10d6f7a0dbfb861255fccf9efc34adee45a3a80daf3e154edbc871a3ad0d9c8c493b84c36b5ffa97737

  • SSDEEP

    6144:5WqA/eRNYnaNSOuxpN780HaAR5kGqK+lTHqMqg:U/efYnnDNRbwTHVq

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 2 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 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 13 IoCs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79dbbe2f3e73d24d661219c593a8bfa1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\79dbbe2f3e73d24d661219c593a8bfa1_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1804
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2552
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe
        3⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2928
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2452
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2700
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2824
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2532
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2956
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2328
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2852
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svchost.exe

    Filesize

    364KB

    MD5

    79218fdb0792057f38131de2cbb82d53

    SHA1

    7e1db5200abde22cbc759f00c8f24769aae4949b

    SHA256

    50e62fb4f9bcea5fd1dcae38850fd3ceae0bcb2f5d2c493a5b71660a5e40f02c

    SHA512

    e3f57a655c025a3c1efa9d78477d367b54257e02e642659b4476acec92b1f0388839904742dd438867cc8d8182d5367f82c3077134fd33923c18df46d60e47d7

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe

    Filesize

    104KB

    MD5

    edce79646c95a9195091d4faad7d566d

    SHA1

    39a621151218df86577d9a6b9b43649166c72e72

    SHA256

    f2e92b84166c84b2a09852e1d0240af405bd636c97d523277b7e0ffe79db5d3d

    SHA512

    d27cec9b0802320055ab596ea7798401a474b48df3fa300b542e270121c8b4b5528b767317b495efce303d2d00ffbe8e1faa955049489ea0f89b8a1ab461adf8

  • memory/1804-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1804-14-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/1804-25-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2400-6-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB

  • memory/2400-34-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB

  • memory/2400-33-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB

  • memory/2504-51-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2504-35-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2504-42-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB

  • memory/2552-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2552-18-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2928-62-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-63-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-54-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-55-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-57-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-58-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-43-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-50-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-61-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-65-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-66-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-67-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-69-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-70-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2928-71-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB