Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2025 20:30

General

  • Target

    JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe

  • Size

    527KB

  • MD5

    5b1bd9d1fd84af18e8b4ba6b8a92876b

  • SHA1

    c6365f5a338afecc49db0189e03c8560a3a4846f

  • SHA256

    3a904b367a8b08ff6b8621a23f2cadfc2c54d9180ab491157da3c0b1326ab780

  • SHA512

    b40b06272a9a4e89877ffd1e44dc91837250054575cc540a9bd002139f20e6844b2f924c72c947724f35bb9e6541aaa11f0ea4be6502e00fd147b21f1634a786

  • SSDEEP

    12288:xKsP4RfglvDiXBpmg9jMFFZt84M7Xw5j8Cp+wJ0h9:xlPwfKvDCBHMAs5OF

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 15 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 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      C:\Users\Admin\AppData\Local\Temp\csrss.exe
      2⤵
      • 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:2528
      • 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
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2868
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2188
      • 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\csrss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\csrss.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\csrss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\csrss.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1576
      • 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
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2844
      • 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\serv2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\serv2.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2964
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\serv2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\serv2.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    31KB

    MD5

    ed797d8dc2c92401985d162e42ffa450

    SHA1

    0f02fc517c7facc4baefde4fe9467fb6488ebabe

    SHA256

    b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

    SHA512

    e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

  • memory/1708-24-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/1708-1-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/1708-2-0x00000000740D0000-0x000000007467B000-memory.dmp

    Filesize

    5.7MB

  • memory/1708-0-0x00000000740D1000-0x00000000740D2000-memory.dmp

    Filesize

    4KB

  • memory/2528-31-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-36-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2528-9-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-15-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-7-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-32-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-33-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-34-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-11-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-38-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-39-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-40-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-42-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-43-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-44-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-48-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2528-52-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB