Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 04:01

General

  • Target

    JaffaCakes118_b2c2537020fcb10ddbda0f543327c2f1.exe

  • Size

    300KB

  • MD5

    b2c2537020fcb10ddbda0f543327c2f1

  • SHA1

    daf9cb1b2e2e1aba34dc8462b8e5d86ee5fb82a3

  • SHA256

    3664500740b4a74c5aaa8d896df5519329b5facf866f4818289033309e764bdf

  • SHA512

    91d6825ff5ddf03a1c22554c4733b64ae041a3d0faa0049c25dca0d3b86e89ae5c43734615a7dfd5b312b4b09f429f53ffe4c70b3afad7d6c92fcad3dd60a479

  • SSDEEP

    6144:1UmxGgH4Q0X38iR1TwSvktSH/y92aMdjjpM:zH0vlnkMH/a2Xjja

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 16 IoCs
  • Modifies firewall policy service 3 TTPs 10 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
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 3 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2c2537020fcb10ddbda0f543327c2f1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2c2537020fcb10ddbda0f543327c2f1.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.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:1652
      • 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:1484
        • 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:2608
      • 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:800
        • 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:2380
      • 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:1064
        • 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:688
      • 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\BF11HIHWA3.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\BF11HIHWA3.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\BF11HIHWA3.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\BF11HIHWA3.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:5016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • C:\Users\Admin\AppData\Roaming\BF11HIHWA3.exe

    Filesize

    1.1MB

    MD5

    e519a86eb2e4b827afedbdd91a9f1041

    SHA1

    31044e2e0406379423b1688d935e0ca0a8015935

    SHA256

    cd220ae6dc2afc3a6222f0d6ee536e2366ed9e870d029812c9180d1aa987b139

    SHA512

    2ac51c222cde9070b5a59c12548853230f82434a9bd0c45bc7e6aed51f10426cee40e659a03bb2cca17c736d6b38df4ce545e053a5e0263aef60d3fc177796f3

  • memory/1652-25-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-23-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-26-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-9-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-11-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-15-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-5-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-38-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-27-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-35-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-39-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-37-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-21-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-29-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-30-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-31-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-33-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1652-34-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4860-16-0x00000000746C0000-0x0000000074C71000-memory.dmp

    Filesize

    5.7MB

  • memory/4860-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

    Filesize

    5.7MB

  • memory/4860-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

    Filesize

    5.7MB

  • memory/4860-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

    Filesize

    4KB