Analysis
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max time kernel
150s -
max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 02:22
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll
Resource
win7-20241010-en
General
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Target
JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll
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Size
168KB
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MD5
43bf7dd7ae653cc429a476f4812c44f2
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SHA1
e30793ba85d988546b9db073abfbb8bf15617a2a
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SHA256
2d549f2949ac1525fca397baf8ec6b932e4734380c8ae9614e845af4ba7f660b
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SHA512
64656c338637377207c1e8df7cbc3dfa66a695940dd0927ed816d5c30afa4873a0786b9b1d3b0751ea2626677ac6253aa8b71b04012fcc2a48421776e4a3c78d
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SSDEEP
3072:w7nmEOsOmajrUSjh1U7SfmS7UZZF3n4DtJQETeJ6MjtxeTU6dsLBqBMlSd/EXUKV:w7mEOs1ajrUSjh1U7SfvUZZFvT9eTLdu
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\\kukhwgtu\\swqrjdqf.exe" 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 -
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\swqrjdqf.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\swqrjdqf.exe svchost.exe -
Executes dropped EXE 2 IoCs
pid Process 2704 rundll32mgr.exe 1444 kgwojlfrjdvvwhjo.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 5 IoCs
pid Process 1552 rundll32.exe 2704 rundll32mgr.exe 2704 rundll32mgr.exe 2704 rundll32mgr.exe 2704 rundll32mgr.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SwqRjdqf = "C:\\Users\\Admin\\AppData\\Local\\kukhwgtu\\swqrjdqf.exe" svchost.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.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 5 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kgwojlfrjdvvwhjo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe 2996 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 464 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2704 rundll32mgr.exe Token: SeDebugPrivilege 2704 rundll32mgr.exe Token: SeSecurityPrivilege 2148 svchost.exe Token: SeSecurityPrivilege 2996 svchost.exe Token: SeDebugPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeSecurityPrivilege 1444 kgwojlfrjdvvwhjo.exe Token: SeLoadDriverPrivilege 1444 kgwojlfrjdvvwhjo.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe Token: SeBackupPrivilege 2996 svchost.exe Token: SeRestorePrivilege 2996 svchost.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1084 wrote to memory of 1552 1084 rundll32.exe 30 PID 1084 wrote to memory of 1552 1084 rundll32.exe 30 PID 1084 wrote to memory of 1552 1084 rundll32.exe 30 PID 1084 wrote to memory of 1552 1084 rundll32.exe 30 PID 1084 wrote to memory of 1552 1084 rundll32.exe 30 PID 1084 wrote to memory of 1552 1084 rundll32.exe 30 PID 1084 wrote to memory of 1552 1084 rundll32.exe 30 PID 1552 wrote to memory of 2704 1552 rundll32.exe 31 PID 1552 wrote to memory of 2704 1552 rundll32.exe 31 PID 1552 wrote to memory of 2704 1552 rundll32.exe 31 PID 1552 wrote to memory of 2704 1552 rundll32.exe 31 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2148 2704 rundll32mgr.exe 32 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 2996 2704 rundll32mgr.exe 33 PID 2704 wrote to memory of 1444 2704 rundll32mgr.exe 34 PID 2704 wrote to memory of 1444 2704 rundll32mgr.exe 34 PID 2704 wrote to memory of 1444 2704 rundll32mgr.exe 34 PID 2704 wrote to memory of 1444 2704 rundll32mgr.exe 34
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2148
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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:2996
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C:\Users\Admin\AppData\Local\Temp\kgwojlfrjdvvwhjo.exe"C:\Users\Admin\AppData\Local\Temp\kgwojlfrjdvvwhjo.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1444
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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
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Downloads
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Filesize
88KB
MD5e34d08915eba534585b74b885b587811
SHA1aa7dbe6413697bccc12e10984d34b18b29b82392
SHA2565f52464b6c257b2065441998b0d3e71dac1e5453d18d4c86c24b43fd0d298a37
SHA51299d00fc033aef4cf0921c59494348ae1aec931771e2b514937de282cc1c2b5487d508aeffcdc285c5d82bdea9c369aeb29979fd21df589f59f04ec1712eb931b