Analysis
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max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-11-2024 06:28
Static task
static1
Behavioral task
behavioral1
Sample
99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe
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Size
214KB
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MD5
99c3a32de4540c34210223e162bd8667
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SHA1
156dc21c058b218ffbf493659652e3c530a05285
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SHA256
24d0501fc2d29ff0428ead43d53edc8fec5f33bfe633601b7a191b2639e2a3e9
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SHA512
ce48f3e65ded16676e13a3905eeb3cf7d74d6ad029bc2067c19905ae5b2235214ac4a207f76de3284775f823a4084cac0eb5be579e4f18606afcc42c1946bfe8
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SSDEEP
3072:9jR4FS3AtAsHJcBJQ3UOtFIQ7RaaHw7Koj4rt9TYJBKegH42kSpYP+:H3lsHkJOpF7s2Hjs+
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\vbnxoifv\\ehbyahia.exe" svchost.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" vmafekqs.exe -
Modifies security service 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" svchost.exe -
Ramnit family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" vmafekqs.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" vmafekqs.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ehbyahia.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ehbyahia.exe svchost.exe -
Executes dropped EXE 2 IoCs
pid Process 2744 vmafekqs.exe 2344 vmafekqs.exe -
Loads dropped DLL 4 IoCs
pid Process 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 2652 cmd.exe 2652 cmd.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" vmafekqs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" vmafekqs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\EhbYahia = "C:\\Users\\Admin\\AppData\\Local\\vbnxoifv\\ehbyahia.exe" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" vmafekqs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 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 vmafekqs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vmafekqs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2480 svchost.exe 2480 svchost.exe 2344 vmafekqs.exe 2344 vmafekqs.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeSecurityPrivilege 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe Token: SeDebugPrivilege 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe Token: SeSecurityPrivilege 2392 svchost.exe Token: SeSecurityPrivilege 2480 svchost.exe Token: SeDebugPrivilege 2480 svchost.exe Token: SeDebugPrivilege 2480 svchost.exe Token: SeDebugPrivilege 2480 svchost.exe Token: SeRestorePrivilege 2480 svchost.exe Token: SeBackupPrivilege 2480 svchost.exe Token: SeSecurityPrivilege 2744 vmafekqs.exe Token: SeSecurityPrivilege 2344 vmafekqs.exe Token: SeLoadDriverPrivilege 2344 vmafekqs.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2392 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 30 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2480 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 31 PID 1076 wrote to memory of 2744 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 32 PID 1076 wrote to memory of 2744 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 32 PID 1076 wrote to memory of 2744 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 32 PID 1076 wrote to memory of 2744 1076 99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe 32 PID 2744 wrote to memory of 2652 2744 vmafekqs.exe 33 PID 2744 wrote to memory of 2652 2744 vmafekqs.exe 33 PID 2744 wrote to memory of 2652 2744 vmafekqs.exe 33 PID 2744 wrote to memory of 2652 2744 vmafekqs.exe 33 PID 2652 wrote to memory of 2344 2652 cmd.exe 35 PID 2652 wrote to memory of 2344 2652 cmd.exe 35 PID 2652 wrote to memory of 2344 2652 cmd.exe 35 PID 2652 wrote to memory of 2344 2652 cmd.exe 35 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" vmafekqs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\99c3a32de4540c34210223e162bd8667_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480
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C:\Users\Admin\AppData\Local\Temp\vmafekqs.exe"C:\Users\Admin\AppData\Local\Temp\vmafekqs.exe" elevate2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\vmafekqs.exe"" admin3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Users\Admin\AppData\Local\Temp\vmafekqs.exe"C:\Users\Admin\AppData\Local\Temp\vmafekqs.exe" admin4⤵
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:2344
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
8Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
214KB
MD599c3a32de4540c34210223e162bd8667
SHA1156dc21c058b218ffbf493659652e3c530a05285
SHA25624d0501fc2d29ff0428ead43d53edc8fec5f33bfe633601b7a191b2639e2a3e9
SHA512ce48f3e65ded16676e13a3905eeb3cf7d74d6ad029bc2067c19905ae5b2235214ac4a207f76de3284775f823a4084cac0eb5be579e4f18606afcc42c1946bfe8