Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03/10/2024, 17:31
Static task
static1
Behavioral task
behavioral1
Sample
0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll
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Size
180KB
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MD5
0fdcece65289dc442a99b875eeb9c498
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SHA1
49ae8323ccb9fbd92fce5c09e058b86087e51c8c
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SHA256
e7db1e2ba7dcc5c0e8ceb11c888ec361f0595418d82b792dcdd5844c7d13759f
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SHA512
07607f318551990737194914510bab366973a16ed685a7fda93fb2a482efc13bf22bb2e6187578a6bb7f30f45a0551ee38468316f0e7dd538a1e19dcdb62fee9
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SSDEEP
3072:1P2PxxtVYTRMClk3oq2L9vNTDQm/iAeQZZer:NyiRq4xZvNTOAhZZo
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\\vrlbercv\\eudnoulm.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" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" vdbltwns.exe -
Modifies security service 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" vdbltwns.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 Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" vdbltwns.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.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\AntiVirusOverride = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" vdbltwns.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\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\UacDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" vdbltwns.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eudnoulm.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eudnoulm.exe svchost.exe -
Executes dropped EXE 6 IoCs
pid Process 2804 t32KY8d5k 2780 t32KY8d5k 944 vdbltwns.exe 544 vdbltwns.exe 3048 vdbltwns.exe 2940 vdbltwns.exe -
Loads dropped DLL 9 IoCs
pid Process 2728 rundll32.exe 2728 rundll32.exe 2804 t32KY8d5k 2780 t32KY8d5k 2780 t32KY8d5k 944 vdbltwns.exe 2520 cmd.exe 2520 cmd.exe 3048 vdbltwns.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" vdbltwns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" vdbltwns.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\EudNoulm = "C:\\Users\\Admin\\AppData\\Local\\vrlbercv\\eudnoulm.exe" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" vdbltwns.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2804 set thread context of 2780 2804 t32KY8d5k 32 PID 944 set thread context of 544 944 vdbltwns.exe 36 PID 3048 set thread context of 2940 3048 vdbltwns.exe 40 -
resource yara_rule behavioral1/memory/2780-24-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-31-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-36-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-47-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-46-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-30-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-29-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-26-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-22-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-91-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2780-114-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/544-135-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2940-157-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral1/memory/2940-161-0x0000000000400000-0x0000000000436000-memory.dmp upx -
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 9 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 t32KY8d5k Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language t32KY8d5k Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vdbltwns.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vdbltwns.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vdbltwns.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 2940 vdbltwns.exe 2940 vdbltwns.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe 1520 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 464 Process not Found -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeSecurityPrivilege 2780 t32KY8d5k Token: SeDebugPrivilege 2780 t32KY8d5k Token: SeSecurityPrivilege 2716 svchost.exe Token: SeSecurityPrivilege 1520 svchost.exe Token: SeDebugPrivilege 1520 svchost.exe Token: SeDebugPrivilege 1520 svchost.exe Token: SeRestorePrivilege 1520 svchost.exe Token: SeBackupPrivilege 1520 svchost.exe Token: SeDebugPrivilege 1520 svchost.exe Token: SeSecurityPrivilege 544 vdbltwns.exe Token: SeSecurityPrivilege 2940 vdbltwns.exe Token: SeLoadDriverPrivilege 2940 vdbltwns.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2804 t32KY8d5k 944 vdbltwns.exe 3048 vdbltwns.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2140 wrote to memory of 2728 2140 rundll32.exe 30 PID 2140 wrote to memory of 2728 2140 rundll32.exe 30 PID 2140 wrote to memory of 2728 2140 rundll32.exe 30 PID 2140 wrote to memory of 2728 2140 rundll32.exe 30 PID 2140 wrote to memory of 2728 2140 rundll32.exe 30 PID 2140 wrote to memory of 2728 2140 rundll32.exe 30 PID 2140 wrote to memory of 2728 2140 rundll32.exe 30 PID 2728 wrote to memory of 2804 2728 rundll32.exe 31 PID 2728 wrote to memory of 2804 2728 rundll32.exe 31 PID 2728 wrote to memory of 2804 2728 rundll32.exe 31 PID 2728 wrote to memory of 2804 2728 rundll32.exe 31 PID 2804 wrote to memory of 2780 2804 t32KY8d5k 32 PID 2804 wrote to memory of 2780 2804 t32KY8d5k 32 PID 2804 wrote to memory of 2780 2804 t32KY8d5k 32 PID 2804 wrote to memory of 2780 2804 t32KY8d5k 32 PID 2804 wrote to memory of 2780 2804 t32KY8d5k 32 PID 2804 wrote to memory of 2780 2804 t32KY8d5k 32 PID 2804 wrote to memory of 2780 2804 t32KY8d5k 32 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 2716 2780 t32KY8d5k 33 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 1520 2780 t32KY8d5k 34 PID 2780 wrote to memory of 944 2780 t32KY8d5k 35 PID 2780 wrote to memory of 944 2780 t32KY8d5k 35 PID 2780 wrote to memory of 944 2780 t32KY8d5k 35 PID 2780 wrote to memory of 944 2780 t32KY8d5k 35 PID 944 wrote to memory of 544 944 vdbltwns.exe 36 PID 944 wrote to memory of 544 944 vdbltwns.exe 36 PID 944 wrote to memory of 544 944 vdbltwns.exe 36 PID 944 wrote to memory of 544 944 vdbltwns.exe 36 PID 944 wrote to memory of 544 944 vdbltwns.exe 36 PID 944 wrote to memory of 544 944 vdbltwns.exe 36 PID 944 wrote to memory of 544 944 vdbltwns.exe 36 PID 544 wrote to memory of 2520 544 vdbltwns.exe 37 PID 544 wrote to memory of 2520 544 vdbltwns.exe 37 PID 544 wrote to memory of 2520 544 vdbltwns.exe 37 PID 544 wrote to memory of 2520 544 vdbltwns.exe 37 PID 2520 wrote to memory of 3048 2520 cmd.exe 39 PID 2520 wrote to memory of 3048 2520 cmd.exe 39 PID 2520 wrote to memory of 3048 2520 cmd.exe 39 PID 2520 wrote to memory of 3048 2520 cmd.exe 39 PID 3048 wrote to memory of 2940 3048 vdbltwns.exe 40 PID 3048 wrote to memory of 2940 3048 vdbltwns.exe 40 PID 3048 wrote to memory of 2940 3048 vdbltwns.exe 40 PID 3048 wrote to memory of 2940 3048 vdbltwns.exe 40 PID 3048 wrote to memory of 2940 3048 vdbltwns.exe 40 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" vdbltwns.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll,#12⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Users\Admin\AppData\Local\Temp\t32KY8d5k"t32KY8d5k"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Users\Admin\AppData\Local\Temp\t32KY8d5k"t32KY8d5k"4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2716
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵
- 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:1520
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C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe"C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" elevate5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe"C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" elevate6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe"" admin7⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe"C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" admin8⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe"C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" admin9⤵
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:2940
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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
99KB
MD533ace2a98e6aa56dbd6f1ae58a9af9ae
SHA167de6edab77318d997f002c9884dd08069612570
SHA2568bf10012bf59dbc3f6509bbf1dc12490779fc5962aa37fcebbcc434e2612371c
SHA512ea77d71297f7ef842f0c1c7b6f8eb53f8d6d3f223d4f5d2bb4214102601a1197f038a1339d5245ed87671947e90910b78cbe7081d05c0e5cedd55b0726e362f5