Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
26/07/2024, 14:48
Static task
static1
Behavioral task
behavioral1
Sample
747f243756ee899e58e364417be1ab72_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
747f243756ee899e58e364417be1ab72_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
747f243756ee899e58e364417be1ab72_JaffaCakes118.exe
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Size
1.5MB
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MD5
747f243756ee899e58e364417be1ab72
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SHA1
2a557454fe70626165257832b99e4d99e5a46bb1
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SHA256
e53f3d3ad4f40b11f4ee2a1cedf612589470c672bf0a1a1cf1f95182efc4b08a
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SHA512
043aa9119014fdc8b2c742664765b7bd6e85d08042a90a57f8914bcb45ab339a9a3583c9a57532f5c18e230f3de5f24adf839b33ae44287d4c3f0aa117c6a7f9
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SSDEEP
24576:7NXpop9ARM6UWEcyQhikMur02hjCODXOkVdu606ls/B5ouqpgNiL1QqTG9lTWgk5:RXUAStcypkbldu6WpKW7qa9wgi
Malware Config
Signatures
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Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\IEHost2Services\Parameters\ServiceDll = "C:\\Windows\\system32\\IEHost2Services.dll" 747f243756ee899e58e364417be1ab72_JaffaCakes118.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 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 9936 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 9912 svchost.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\IEHost2Services.dll 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat svchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{71F73DEA-E3F3-418D-B36A-E4DB8959BD3F}\WpadNetworkName = "Network 3" svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-b5-43-f5-7b-b0 svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{71F73DEA-E3F3-418D-B36A-E4DB8959BD3F} svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{71F73DEA-E3F3-418D-B36A-E4DB8959BD3F}\WpadDecisionReason = "1" svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{71F73DEA-E3F3-418D-B36A-E4DB8959BD3F}\WpadDecisionTime = 106362527bdfda01 svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{71F73DEA-E3F3-418D-B36A-E4DB8959BD3F}\WpadDecision = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{71F73DEA-E3F3-418D-B36A-E4DB8959BD3F}\96-b5-43-f5-7b-b0 svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0038000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-b5-43-f5-7b-b0\WpadDecisionReason = "1" svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-b5-43-f5-7b-b0\WpadDecisionTime = 106362527bdfda01 svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-b5-43-f5-7b-b0\WpadDecision = "0" svchost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1920 wrote to memory of 9936 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe 32 PID 1920 wrote to memory of 9936 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe 32 PID 1920 wrote to memory of 9936 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe 32 PID 1920 wrote to memory of 9936 1920 747f243756ee899e58e364417be1ab72_JaffaCakes118.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\747f243756ee899e58e364417be1ab72_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\747f243756ee899e58e364417be1ab72_JaffaCakes118.exe"1⤵
- Server Software Component: Terminal Services DLL
- Checks BIOS information in registry
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\747F24~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:9936
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k IEHost2Services1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:9912