Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13/10/2024, 05:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3df44736cee2cf79c99220bd1dba8431_JaffaCakes118.dll
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
3df44736cee2cf79c99220bd1dba8431_JaffaCakes118.dll
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Size
172KB
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MD5
3df44736cee2cf79c99220bd1dba8431
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SHA1
5d9e4aeacb16a53d2c82eb1219ce6475ff3e0793
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SHA256
a11936090af00304c1a78681b804822956918a6fcdc5ae2d9641c913302552a0
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SHA512
3648a8803343829b9ce9921f032378ca6c55f2d75d856b372a1632a76ea918180366f7fac2d48105464e20a7a30a15579247e56a93d519b0bc718219cdb53a82
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SSDEEP
3072:amVVrLdqf7eHc3eT07MA/VZfMsiri/HQdY7kNpBKb4D:lrEKlTrAdZnDwd9
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\\bfhtdkkn\\jlygnktb.exe" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jlygnktb.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jlygnktb.exe svchost.exe -
Executes dropped EXE 2 IoCs
pid Process 2448 Q0WW71P3P 1372 bqwbpmvkuiqawcyy.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power svchost.exe -
Loads dropped DLL 6 IoCs
pid Process 2732 regsvr32.exe 2732 regsvr32.exe 2448 Q0WW71P3P 2448 Q0WW71P3P 2448 Q0WW71P3P 2448 Q0WW71P3P -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\JlyGnktb = "C:\\Users\\Admin\\AppData\\Local\\bfhtdkkn\\jlygnktb.exe" svchost.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 4 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Q0WW71P3P Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Modifies registry class 32 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon.1\ = "LTS Lexicon Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon\ = "LTS Lexicon Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\TypeLib\ = "{410B4FEB-339A-11D2-9602-00C04F8EE628}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon.1\CLSID\ = "{685879BA-3263-11D3-9C26-00C04F8EF87C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon\CurVer\ = "SAPI.LTSLexicon.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\ProgID\ = "SAPI.LTSLexicon.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\ = "LTS Lexicon Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3df44736cee2cf79c99220bd1dba8431_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3DF447~1.DLL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SAPI.LTSLexicon\CLSID\ = "{685879BA-3263-11D3-9C26-00C04F8EF87C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\VersionIndependentProgID\ = "SAPI.LTSLexicon" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{685879BA-3263-11D3-9C26-00C04F8EF87C}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9153CE57-F693-4A8E-8B7C-29C8486566D0}\1.0\ = "Microsoft LTScommon Object Library" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2448 Q0WW71P3P Token: SeDebugPrivilege 2448 Q0WW71P3P Token: SeSecurityPrivilege 2836 svchost.exe Token: SeSecurityPrivilege 2728 svchost.exe Token: SeDebugPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeSecurityPrivilege 1372 bqwbpmvkuiqawcyy.exe Token: SeLoadDriverPrivilege 1372 bqwbpmvkuiqawcyy.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2444 wrote to memory of 2732 2444 regsvr32.exe 30 PID 2444 wrote to memory of 2732 2444 regsvr32.exe 30 PID 2444 wrote to memory of 2732 2444 regsvr32.exe 30 PID 2444 wrote to memory of 2732 2444 regsvr32.exe 30 PID 2444 wrote to memory of 2732 2444 regsvr32.exe 30 PID 2444 wrote to memory of 2732 2444 regsvr32.exe 30 PID 2444 wrote to memory of 2732 2444 regsvr32.exe 30 PID 2732 wrote to memory of 2448 2732 regsvr32.exe 31 PID 2732 wrote to memory of 2448 2732 regsvr32.exe 31 PID 2732 wrote to memory of 2448 2732 regsvr32.exe 31 PID 2732 wrote to memory of 2448 2732 regsvr32.exe 31 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2836 2448 Q0WW71P3P 32 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 2728 2448 Q0WW71P3P 33 PID 2448 wrote to memory of 1372 2448 Q0WW71P3P 34 PID 2448 wrote to memory of 1372 2448 Q0WW71P3P 34 PID 2448 wrote to memory of 1372 2448 Q0WW71P3P 34 PID 2448 wrote to memory of 1372 2448 Q0WW71P3P 34
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3df44736cee2cf79c99220bd1dba8431_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3df44736cee2cf79c99220bd1dba8431_JaffaCakes118.dll2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Users\Admin\AppData\Local\Temp\Q0WW71P3P"Q0WW71P3P"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2836
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks BIOS information in registry
- Drops startup file
- Impair Defenses: Safe Mode Boot
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
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C:\Users\Admin\AppData\Local\Temp\bqwbpmvkuiqawcyy.exe"C:\Users\Admin\AppData\Local\Temp\bqwbpmvkuiqawcyy.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1372
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
93KB
MD5c4d56cb7809887c0c38e91f95345d7d7
SHA12d6cfe1611afaa8629aaef88ce167109b8684c29
SHA256ae44ddada123617ce27f953bcccbf47f1bfd98cf6e78a805fbb1caea6945170f
SHA512df01aac72b65512796defc1331bce54158fa5f764a5135440ecec5edc13b1307501e4d96c8f0e558c9a284b14f184733bdcbfbb61dad1e2cd1e7d44de05eebdb