Analysis
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max time kernel
148s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
18/08/2024, 01:51
Static task
static1
Behavioral task
behavioral1
Sample
a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe
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Size
367KB
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MD5
a4ed2a8a54374c4f76ae16e3a59d8b91
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SHA1
1742a7facc686b7129b57171ae89caa5bc219807
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SHA256
bea6309d5f88d320fb20e494745344d724a4e756b7b2194c30aacca7417cf374
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SHA512
dd794d80d70df24f0dbb7573de783c298f532da0cf8a0aa699f073b1b2878a93e4140ccc25a18254b3249449c956b5ef9af338c773614a5ec37216987e66b7db
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SSDEEP
6144:VvC2F8NXC796TB9vj48bTKnQsI3g8z/GOuQT/9lffHDmaxsvWY1o:VteVQkTrvj48TxdbllT/DmusPo
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\bsnsutread060112.exe = "C:\\Users\\Admin\\AppData\\Roaming\\bsnsutread060112.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe 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" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2656-64-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-66-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-65-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-63-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-54-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-56-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-75-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-78-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-80-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-81-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-82-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-84-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-85-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-86-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-87-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-89-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-90-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral1/memory/2656-92-0x0000000000400000-0x0000000000473000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\System\\Services\\explorer.exe" a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\System\\Services\\explorer.exe" a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 656 set thread context of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe vbc.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2732 reg.exe 2512 reg.exe 2668 reg.exe 2716 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe Token: 1 2656 vbc.exe Token: SeCreateTokenPrivilege 2656 vbc.exe Token: SeAssignPrimaryTokenPrivilege 2656 vbc.exe Token: SeLockMemoryPrivilege 2656 vbc.exe Token: SeIncreaseQuotaPrivilege 2656 vbc.exe Token: SeMachineAccountPrivilege 2656 vbc.exe Token: SeTcbPrivilege 2656 vbc.exe Token: SeSecurityPrivilege 2656 vbc.exe Token: SeTakeOwnershipPrivilege 2656 vbc.exe Token: SeLoadDriverPrivilege 2656 vbc.exe Token: SeSystemProfilePrivilege 2656 vbc.exe Token: SeSystemtimePrivilege 2656 vbc.exe Token: SeProfSingleProcessPrivilege 2656 vbc.exe Token: SeIncBasePriorityPrivilege 2656 vbc.exe Token: SeCreatePagefilePrivilege 2656 vbc.exe Token: SeCreatePermanentPrivilege 2656 vbc.exe Token: SeBackupPrivilege 2656 vbc.exe Token: SeRestorePrivilege 2656 vbc.exe Token: SeShutdownPrivilege 2656 vbc.exe Token: SeDebugPrivilege 2656 vbc.exe Token: SeAuditPrivilege 2656 vbc.exe Token: SeSystemEnvironmentPrivilege 2656 vbc.exe Token: SeChangeNotifyPrivilege 2656 vbc.exe Token: SeRemoteShutdownPrivilege 2656 vbc.exe Token: SeUndockPrivilege 2656 vbc.exe Token: SeSyncAgentPrivilege 2656 vbc.exe Token: SeEnableDelegationPrivilege 2656 vbc.exe Token: SeManageVolumePrivilege 2656 vbc.exe Token: SeImpersonatePrivilege 2656 vbc.exe Token: SeCreateGlobalPrivilege 2656 vbc.exe Token: 31 2656 vbc.exe Token: 32 2656 vbc.exe Token: 33 2656 vbc.exe Token: 34 2656 vbc.exe Token: 35 2656 vbc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2656 vbc.exe 2656 vbc.exe 2656 vbc.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 656 wrote to memory of 2656 656 a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe 29 PID 2656 wrote to memory of 2692 2656 vbc.exe 30 PID 2656 wrote to memory of 2692 2656 vbc.exe 30 PID 2656 wrote to memory of 2692 2656 vbc.exe 30 PID 2656 wrote to memory of 2692 2656 vbc.exe 30 PID 2656 wrote to memory of 1900 2656 vbc.exe 31 PID 2656 wrote to memory of 1900 2656 vbc.exe 31 PID 2656 wrote to memory of 1900 2656 vbc.exe 31 PID 2656 wrote to memory of 1900 2656 vbc.exe 31 PID 2656 wrote to memory of 2948 2656 vbc.exe 33 PID 2656 wrote to memory of 2948 2656 vbc.exe 33 PID 2656 wrote to memory of 2948 2656 vbc.exe 33 PID 2656 wrote to memory of 2948 2656 vbc.exe 33 PID 2656 wrote to memory of 1868 2656 vbc.exe 34 PID 2656 wrote to memory of 1868 2656 vbc.exe 34 PID 2656 wrote to memory of 1868 2656 vbc.exe 34 PID 2656 wrote to memory of 1868 2656 vbc.exe 34 PID 1868 wrote to memory of 2716 1868 cmd.exe 38 PID 1868 wrote to memory of 2716 1868 cmd.exe 38 PID 1868 wrote to memory of 2716 1868 cmd.exe 38 PID 1868 wrote to memory of 2716 1868 cmd.exe 38 PID 2948 wrote to memory of 2668 2948 cmd.exe 39 PID 2948 wrote to memory of 2668 2948 cmd.exe 39 PID 2948 wrote to memory of 2668 2948 cmd.exe 39 PID 2948 wrote to memory of 2668 2948 cmd.exe 39 PID 1900 wrote to memory of 2732 1900 cmd.exe 41 PID 1900 wrote to memory of 2732 1900 cmd.exe 41 PID 1900 wrote to memory of 2732 1900 cmd.exe 41 PID 1900 wrote to memory of 2732 1900 cmd.exe 41 PID 2692 wrote to memory of 2512 2692 cmd.exe 40 PID 2692 wrote to memory of 2512 2692 cmd.exe 40 PID 2692 wrote to memory of 2512 2692 cmd.exe 40 PID 2692 wrote to memory of 2512 2692 cmd.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a4ed2a8a54374c4f76ae16e3a59d8b91_JaffaCakes118.exe"1⤵
- Drops file in Drivers directory
- 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:656 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2512
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C:\Windows\SysWOW64\cmd.execmd /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" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\reg.exeREG 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" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2732
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2668
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bsnsutread060112.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bsnsutread060112.exe:*:Enabled:Windows Messanger" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bsnsutread060112.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bsnsutread060112.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2716
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1