Malware Analysis Report

2025-05-06 00:12

Sample ID 250225-3d3efstmt8
Target JaffaCakes118_231da1a91c3eeb463969b67687d9c51e
SHA256 78942fe7a1a3156c768560b6332dc11dc76624bb38e084ffe01a74abe7a131ba
Tags
blackshades defense_evasion discovery persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

78942fe7a1a3156c768560b6332dc11dc76624bb38e084ffe01a74abe7a131ba

Threat Level: Known bad

The file JaffaCakes118_231da1a91c3eeb463969b67687d9c51e was found to be: Known bad.

Malicious Activity Summary

blackshades defense_evasion discovery persistence rat

Blackshades

Blackshades payload

Blackshades family

Modifies firewall policy service

Uses the VBS compiler for execution

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies registry key

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-25 23:24

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-25 23:24

Reported

2025-02-25 23:27

Platform

win7-20240903-en

Max time kernel

148s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe"

Signatures

Blackshades

rat blackshades

Blackshades family

blackshades

Blackshades payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Modifies firewall policy service

defense_evasion
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe = "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\vbc.exe:*:Enabled:Windows Messanger" C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\reg.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\reg.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\WinDefenderz.exe = "C:\\Users\\Admin\\AppData\\Roaming\\WinDefenderz.exe:*:Enabled:Windows Messanger" C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\reg.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\reg.exe N/A

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Config = "C:\\Users\\Admin\\AppData\\Local\\Temp\\msconfig.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2068 set thread context of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A
N/A N/A C:\Windows\SysWOW64\reg.exe N/A
N/A N/A C:\Windows\SysWOW64\reg.exe N/A
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 1 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 31 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 32 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 34 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 35 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2068 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2880 wrote to memory of 2900 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2900 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2900 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2900 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2708 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2708 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2708 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2708 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2288 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2288 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2288 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2288 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2832 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2832 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2832 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2880 wrote to memory of 2832 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2708 wrote to memory of 2608 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2708 wrote to memory of 2608 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2708 wrote to memory of 2608 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2708 wrote to memory of 2608 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2900 wrote to memory of 2648 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2900 wrote to memory of 2648 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2900 wrote to memory of 2648 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2900 wrote to memory of 2648 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2832 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2832 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2832 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2832 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2288 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2288 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2288 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2288 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

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

C:\Windows\SysWOW64\cmd.exe

cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f

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

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\WinDefenderz.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinDefenderz.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\WinDefenderz.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinDefenderz.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 bszach.no-ip.biz udp
FR 78.159.135.230:25 bszach.no-ip.biz tcp
US 8.8.8.8:53 bszach.no-ip.biz udp
FR 78.159.135.230:25 bszach.no-ip.biz tcp

Files

memory/2068-0-0x00000000746B1000-0x00000000746B2000-memory.dmp

memory/2068-1-0x00000000746B0000-0x0000000074C5B000-memory.dmp

memory/2068-2-0x00000000746B0000-0x0000000074C5B000-memory.dmp

memory/2880-3-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-10-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2880-7-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-5-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2068-14-0x00000000746B0000-0x0000000074C5B000-memory.dmp

memory/2880-21-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-22-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-24-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-25-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-34-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2880-35-0x0000000000400000-0x0000000000452000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-25 23:24

Reported

2025-02-25 23:27

Platform

win10v2004-20250217-en

Max time kernel

148s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe"

Signatures

Blackshades

rat blackshades

Blackshades family

blackshades

Blackshades payload

Description Indicator Process Target
N/A N/A N/A N/A
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Modifies firewall policy service

defense_evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\reg.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe = "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\vbc.exe:*:Enabled:Windows Messanger" C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\reg.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications C:\Windows\SysWOW64\reg.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\reg.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\reg.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\WinDefenderz.exe = "C:\\Users\\Admin\\AppData\\Roaming\\WinDefenderz.exe:*:Enabled:Windows Messanger" C:\Windows\SysWOW64\reg.exe N/A

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Config = "C:\\Users\\Admin\\AppData\\Local\\Temp\\msconfig.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4908 set thread context of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A
N/A N/A C:\Windows\SysWOW64\reg.exe N/A
N/A N/A C:\Windows\SysWOW64\reg.exe N/A
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 1 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 31 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 32 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 34 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 35 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 4908 wrote to memory of 3360 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 3360 wrote to memory of 1940 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 1940 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 1940 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 868 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 868 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 868 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 1884 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 1884 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 1884 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 2180 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 2180 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 3360 wrote to memory of 2180 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 868 wrote to memory of 4940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 868 wrote to memory of 4940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 868 wrote to memory of 4940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1884 wrote to memory of 1212 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1884 wrote to memory of 1212 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1884 wrote to memory of 1212 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2180 wrote to memory of 2984 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2180 wrote to memory of 2984 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2180 wrote to memory of 2984 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1940 wrote to memory of 4824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1940 wrote to memory of 4824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1940 wrote to memory of 4824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231da1a91c3eeb463969b67687d9c51e.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

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

C:\Windows\SysWOW64\cmd.exe

cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f

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

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\WinDefenderz.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinDefenderz.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\WinDefenderz.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinDefenderz.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 bszach.no-ip.biz udp
FR 78.159.135.230:25 bszach.no-ip.biz tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 bszach.no-ip.biz udp
FR 78.159.135.230:25 bszach.no-ip.biz tcp

Files

memory/4908-0-0x0000000074D02000-0x0000000074D03000-memory.dmp

memory/4908-1-0x0000000074D00000-0x00000000752B1000-memory.dmp

memory/4908-2-0x0000000074D00000-0x00000000752B1000-memory.dmp

memory/3360-3-0x0000000000400000-0x0000000000452000-memory.dmp

memory/3360-6-0x0000000000400000-0x0000000000452000-memory.dmp

memory/4908-11-0x0000000074D00000-0x00000000752B1000-memory.dmp

memory/3360-15-0x0000000000400000-0x0000000000452000-memory.dmp

memory/3360-18-0x0000000000400000-0x0000000000452000-memory.dmp

memory/3360-19-0x0000000000400000-0x0000000000452000-memory.dmp

memory/3360-28-0x0000000000400000-0x0000000000452000-memory.dmp

memory/3360-29-0x0000000000400000-0x0000000000452000-memory.dmp