Malware Analysis Report

2025-04-03 10:15

Sample ID 250203-gsxa4asncs
Target JaffaCakes118_8549692d26b5b7793631cca4bd665499
SHA256 a3e4e0c8b6e89e7c6b67209a196afa909a28396ea59a2b740a57059c4932c021
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

a3e4e0c8b6e89e7c6b67209a196afa909a28396ea59a2b740a57059c4932c021

Threat Level: Known bad

The file JaffaCakes118_8549692d26b5b7793631cca4bd665499 was found to be: Known bad.

Malicious Activity Summary

blackshades defense_evasion discovery persistence rat

Modifies firewall policy service

Blackshades family

Blackshades payload

Blackshades

Uses the VBS compiler for execution

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Modifies registry key

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-03 06:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-03 06:04

Reported

2025-02-03 06:07

Platform

win7-20241023-en

Max time kernel

148s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe"

Signatures

Blackshades

rat blackshades

Blackshades family

blackshades

Blackshades payload

Description Indicator Process Target
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Modifies firewall policy service

defense_evasion
Description Indicator Process Target
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\locsrv.exe = "C:\\Users\\Admin\\AppData\\Roaming\\locsrv.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:\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

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\smssc.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1656 set thread context of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

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:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.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\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\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

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 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1656 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2396 wrote to memory of 1732 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 1732 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 1732 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 1732 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2604 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2604 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2604 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2604 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 316 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 316 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 316 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 316 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2084 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2084 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2084 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2084 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 2084 wrote to memory of 2912 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2084 wrote to memory of 2912 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2084 wrote to memory of 2912 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2084 wrote to memory of 2912 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2604 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2604 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2604 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2604 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1732 wrote to memory of 2940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1732 wrote to memory of 2940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1732 wrote to memory of 2940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1732 wrote to memory of 2940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 316 wrote to memory of 2192 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 316 wrote to memory of 2192 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 316 wrote to memory of 2192 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 316 wrote to memory of 2192 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.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\locsrv.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\locsrv.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\locsrv.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\locsrv.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 /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 secinfo.zapto.org udp
US 8.8.8.8:53 1secinfo.zapto.org udp
US 8.8.8.8:53 2secinfo.zapto.org udp
US 8.8.8.8:53 3secinfo.zapto.org udp
US 8.8.8.8:53 4secinfo.zapto.org udp
US 8.8.8.8:53 5secinfo.zapto.org udp
US 8.8.8.8:53 6secinfo.zapto.org udp
US 8.8.8.8:53 7secinfo.zapto.org udp
US 8.8.8.8:53 8secinfo.zapto.org udp

Files

memory/1656-0-0x0000000074541000-0x0000000074542000-memory.dmp

memory/1656-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

memory/1656-2-0x0000000074540000-0x0000000074AEB000-memory.dmp

memory/2396-10-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2396-7-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-5-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-3-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1656-19-0x0000000074540000-0x0000000074AEB000-memory.dmp

memory/2396-20-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-21-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-23-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-24-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-25-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-27-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-28-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-29-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-33-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-35-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2396-36-0x0000000000400000-0x0000000000478000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-03 06:04

Reported

2025-02-03 06:07

Platform

win10v2004-20250129-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe"

Signatures

Blackshades

rat blackshades

Blackshades family

blackshades

Blackshades payload

Description Indicator Process Target
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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:\Users\Admin\AppData\Roaming\locsrv.exe = "C:\\Users\\Admin\\AppData\\Roaming\\locsrv.exe:*:Enabled:Windows Messanger" 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
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 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

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\smssc.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 836 set thread context of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

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\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\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:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.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 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 836 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1392 wrote to memory of 3876 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 3876 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 3876 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 3296 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 3296 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 3296 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 4824 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 4824 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 4824 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 1744 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 1744 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1392 wrote to memory of 1744 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\SysWOW64\cmd.exe
PID 1744 wrote to memory of 3208 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1744 wrote to memory of 3208 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 1744 wrote to memory of 3208 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3296 wrote to memory of 4572 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3296 wrote to memory of 4572 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3296 wrote to memory of 4572 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3876 wrote to memory of 776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3876 wrote to memory of 776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3876 wrote to memory of 776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 4824 wrote to memory of 2564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 4824 wrote to memory of 2564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 4824 wrote to memory of 2564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8549692d26b5b7793631cca4bd665499.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\locsrv.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\locsrv.exe:*:Enabled:Windows Messanger" /f

C:\Windows\SysWOW64\reg.exe

REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\locsrv.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\locsrv.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 /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 129.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 secinfo.zapto.org udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 13.153.16.2.in-addr.arpa udp
GB 95.101.143.201:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 201.143.101.95.in-addr.arpa udp
US 8.8.8.8:53 secinfo.zapto.org udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 1secinfo.zapto.org udp
US 8.8.8.8:53 2secinfo.zapto.org udp
US 8.8.8.8:53 3secinfo.zapto.org udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 4secinfo.zapto.org udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 5secinfo.zapto.org udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 6secinfo.zapto.org udp
US 8.8.8.8:53 7secinfo.zapto.org udp
US 8.8.8.8:53 8secinfo.zapto.org udp

Files

memory/836-0-0x0000000074C82000-0x0000000074C83000-memory.dmp

memory/836-1-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/836-2-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/1392-3-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-5-0x0000000000400000-0x0000000000478000-memory.dmp

memory/836-13-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/1392-14-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-15-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-17-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-18-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-19-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-21-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-22-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-23-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-25-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1392-30-0x0000000000400000-0x0000000000478000-memory.dmp