Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2025, 22:28

General

  • Target

    JaffaCakes118_34f9453dd313d7ef2862e694c98d7af1.exe

  • Size

    278KB

  • MD5

    34f9453dd313d7ef2862e694c98d7af1

  • SHA1

    d4af62f01ecc7101536b7e7fc954af35fb7f42f5

  • SHA256

    eaffb2a2e789fa7a316be5d32c577169a5368d428345a8c44ed8b83d3e013319

  • SHA512

    820c0c07283de6816c2063977ad9c95045e2c2b082a50f3a806bbd9c01d6abed2a7185a009f37ac28add95be73b0423629e7e62ee44f2740c2d7a05fba5811ab

  • SSDEEP

    6144:0kKUxry6ODFwNHYOm9mw36RNQnS52IdrMi2Kbww4IOl4:4wMDFSxmj68nC+0jOl

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 14 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34f9453dd313d7ef2862e694c98d7af1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34f9453dd313d7ef2862e694c98d7af1.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\cvtres.exe
      C:\Users\Admin\AppData\Local\Temp\\cvtres.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2548
      • 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:600
        • 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:2896
      • 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\cvtres.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\cvtres.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2280
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\cvtres.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\cvtres.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2744
      • 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:2756
        • 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:2616
      • 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\QSVHPLGRZW.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\QSVHPLGRZW.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\QSVHPLGRZW.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\QSVHPLGRZW.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    31KB

    MD5

    ed797d8dc2c92401985d162e42ffa450

    SHA1

    0f02fc517c7facc4baefde4fe9467fb6488ebabe

    SHA256

    b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

    SHA512

    e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

  • memory/2548-34-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-27-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-44-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-7-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-17-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-13-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-40-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-9-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-8-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-19-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-39-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2548-32-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-28-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-30-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-31-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-18-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-38-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-35-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2548-36-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB

  • memory/2692-0-0x0000000074D31000-0x0000000074D32000-memory.dmp

    Filesize

    4KB

  • memory/2692-2-0x0000000074D30000-0x00000000752DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-26-0x0000000074D30000-0x00000000752DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-1-0x0000000074D30000-0x00000000752DB000-memory.dmp

    Filesize

    5.7MB