Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 08:07

General

  • Target

    JaffaCakes118_1f83d3cbaf7ba5c634130238d7b37074.exe

  • Size

    3.0MB

  • MD5

    1f83d3cbaf7ba5c634130238d7b37074

  • SHA1

    3618538b530ab13f9bcb79ea383137f60551d17a

  • SHA256

    53db0b869efcf18e9774145826e3e3de4030289f4a36a922cf2c9e842d12ec19

  • SHA512

    f7a1b5ada943da2d523521c1dca5ffa04d35781a9d27472559fe11404d2ad09342a5156a9ce7aebf220aa38fb5cc11d7c2a9912c6448fad7c6a057c3c2a6f51e

  • SSDEEP

    24576:CkJnxo1Ihes0zn2PfDJZU4Nx+GNujlL+:CrKIs0OTU4n+0ujlL+

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 11 IoCs
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f83d3cbaf7ba5c634130238d7b37074.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f83d3cbaf7ba5c634130238d7b37074.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:960
      • 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:4892
        • 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:1528
      • 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\vbc.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\vbc.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3480
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\vbc.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\vbc.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3788
      • 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:2996
        • 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:4156
      • 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\JP45NMURB5.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JP45NMURB5.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2792
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\JP45NMURB5.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JP45NMURB5.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:5116
    • C:\Users\Admin\AppData\Local\Temp\Update.exe
      "C:\Users\Admin\AppData\Local\Temp\Update.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Update.exe

    Filesize

    582KB

    MD5

    e37893792937611395c0da3b235e92bc

    SHA1

    29f62e95966e307a2b92d762b6e33c8f228b192d

    SHA256

    ab74d073dcb604357919b1a8eb432d47e54265ef6207231e5228f01203c9e57b

    SHA512

    8675266c83777c9d85bbbe7e12a032a6bacfacb46f84492006fbf7017e0dc55c0c82045f33b190e06bf3805f73aa21d2fc6ad586a7ea0b7fec0698a5ccda6069

  • C:\Users\Admin\AppData\Local\Temp\vbc.exe

    Filesize

    34KB

    MD5

    e118330b4629b12368d91b9df6488be0

    SHA1

    ce90218c7e3b90df2a3409ec253048bb6472c2fd

    SHA256

    3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

    SHA512

    ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

  • memory/960-34-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-30-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-6-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-11-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-42-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-41-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-38-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-37-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-36-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-33-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/960-28-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1260-27-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/1260-23-0x00000000011B0000-0x00000000011C0000-memory.dmp

    Filesize

    64KB

  • memory/1260-24-0x0000000074F52000-0x0000000074F54000-memory.dmp

    Filesize

    8KB

  • memory/1260-25-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/1764-2-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/1764-0-0x0000000074F52000-0x0000000074F53000-memory.dmp

    Filesize

    4KB

  • memory/1764-22-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/1764-1-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB