Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
26-06-2024 08:00
Static task
static1
Behavioral task
behavioral1
Sample
114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll
Resource
win7-20240611-en
General
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Target
114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll
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Size
239KB
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MD5
114626620c1c7ac58aa6198abb61d688
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SHA1
f77b1b7efa307797325274b979ffb7b5e26a868e
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SHA256
538cf6f7120ccfb4b3a46cef0d8b4038ad18fd701fa440a352c6a3985b5ed175
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SHA512
d69d9a1e98257b54770e044609730e72fc61b0010adbb3946348db9830ae4670cf8695d197ce026f80d1eabc181569cc7dff2736556a84dd7b7301e11ed71a03
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SSDEEP
3072:tM25gs+jNAFBHZkZ/p20fryPDfMAS3uhpK4mMn3oTiaMYk9y2IF9Mn8YuosT//dD:bCRhsBHyr2HjVn36Zk9y2/n8Yuoe5P
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\\orgwirys\\wxxmsuij.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\wxxmsuij.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wxxmsuij.exe svchost.exe -
Executes dropped EXE 2 IoCs
pid Process 2988 regsvr32mgr.exe 1484 odshuwkpvnbyejnk.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc svchost.exe -
Loads dropped DLL 6 IoCs
pid Process 2732 regsvr32.exe 2732 regsvr32.exe 2988 regsvr32mgr.exe 2988 regsvr32mgr.exe 2988 regsvr32mgr.exe 2988 regsvr32mgr.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\WxxMsuij = "C:\\Users\\Admin\\AppData\\Local\\orgwirys\\wxxmsuij.exe" svchost.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 32 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject.1\CLSID\ = "{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\ProgID\ = "Igfxdo.DataObject.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject\CLSID\ = "{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject.1\ = "DataObject Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\ = "DataObject Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\ = "igfxdo 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject\CurVer\ = "Igfxdo.DataObject.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\VersionIndependentProgID\ = "Igfxdo.DataObject" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\TypeLib\ = "{D4FA3D41-BE69-11D4-AA30-00902704C6BF}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject\ = "DataObject Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4FA3D41-BE69-11D4-AA30-00902704C6BF} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Igfxdo.DataObject.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4FA3D4E-BE69-11D4-AA30-00902704C6BF}\Programmable regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 460 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2988 regsvr32mgr.exe Token: SeDebugPrivilege 2988 regsvr32mgr.exe Token: SeSecurityPrivilege 2556 svchost.exe Token: SeSecurityPrivilege 2704 svchost.exe Token: SeDebugPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeSecurityPrivilege 1484 odshuwkpvnbyejnk.exe Token: SeLoadDriverPrivilege 1484 odshuwkpvnbyejnk.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe Token: SeBackupPrivilege 2704 svchost.exe Token: SeRestorePrivilege 2704 svchost.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2264 wrote to memory of 2732 2264 regsvr32.exe 28 PID 2264 wrote to memory of 2732 2264 regsvr32.exe 28 PID 2264 wrote to memory of 2732 2264 regsvr32.exe 28 PID 2264 wrote to memory of 2732 2264 regsvr32.exe 28 PID 2264 wrote to memory of 2732 2264 regsvr32.exe 28 PID 2264 wrote to memory of 2732 2264 regsvr32.exe 28 PID 2264 wrote to memory of 2732 2264 regsvr32.exe 28 PID 2732 wrote to memory of 2988 2732 regsvr32.exe 29 PID 2732 wrote to memory of 2988 2732 regsvr32.exe 29 PID 2732 wrote to memory of 2988 2732 regsvr32.exe 29 PID 2732 wrote to memory of 2988 2732 regsvr32.exe 29 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2556 2988 regsvr32mgr.exe 30 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 2704 2988 regsvr32mgr.exe 31 PID 2988 wrote to memory of 1484 2988 regsvr32mgr.exe 32 PID 2988 wrote to memory of 1484 2988 regsvr32mgr.exe 32 PID 2988 wrote to memory of 1484 2988 regsvr32mgr.exe 32 PID 2988 wrote to memory of 1484 2988 regsvr32mgr.exe 32
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\regsvr32mgr.exeC:\Windows\SysWOW64\regsvr32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2556
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704
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C:\Users\Admin\AppData\Local\Temp\odshuwkpvnbyejnk.exe"C:\Users\Admin\AppData\Local\Temp\odshuwkpvnbyejnk.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1484
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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
1Replay Monitor
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Downloads
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Filesize
109KB
MD523dcf284359d24e3fbee7741c80f246d
SHA1da45f93fe6c380c9f4b8b6dbba7943cf8b3688b3
SHA256989006203c54720a6f43a83c597aa2564db9b77f4df2b6ff2ba772db0109deb2
SHA5124a70bab783505c246f5a37dbce77a0529bf7c467c9c3f52e9edbef55fd36b735f64bc069ee3cde6939586f605daf895be90dc3604b40fa375b6a023568f2375d