Analysis
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max time kernel
145s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
24-08-2024 10:55
Static task
static1
Behavioral task
behavioral1
Sample
be719be61af965ff761ca83b225fa792_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
be719be61af965ff761ca83b225fa792_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
be719be61af965ff761ca83b225fa792_JaffaCakes118.exe
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Size
100KB
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MD5
be719be61af965ff761ca83b225fa792
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SHA1
1a400ea864cb39c20c59c4f73a223f5e6ef3112f
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SHA256
7a636bfa6825ca4b27b2618f863980a2718fb9cdc1adc0d652bdd7046642d9dd
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SHA512
87bf30b4225884c26132555943247cf075b2aaf42e5450176526af50330a9303de17c1f2090fdecb826bf5999d68ba7dac2ae9cdce2fb6b4d83040310ba36ea7
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SSDEEP
1536:w9k3ZYQy2yZVwh3ZeOFjg10mRCVp9QMwbv/viJtqhgmnVY8UlNf:w9k3ZYQz8wh3lE1vCP2Luogmn2HlNf
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List svcnost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile svcnost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications svcnost.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\xztqmni1bm2dqkxjhzvm2csjzhkhffga2\svcnost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\xztqmni1bm2dqkxjhzvm2csjzhkhffga2\\svcnost.exe:*:Enabled:ldrsoft" svcnost.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\etc\hosts be719be61af965ff761ca83b225fa792_JaffaCakes118.exe -
Loads dropped DLL 2 IoCs
pid Process 3688 svcnost.exe 3688 svcnost.exe -
resource yara_rule behavioral2/memory/4856-0-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4856-2-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/3688-4-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4856-7-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/3688-10-0x0000000000400000-0x0000000000462000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Init = "\"C:\\Users\\Admin\\AppData\\Roaming\\xztqmni1bm2dqkxjhzvm2csjzhkhffga2\\svcnost.exe\"" be719be61af965ff761ca83b225fa792_JaffaCakes118.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\desktop.ini svcnost.exe File opened for modification C:\Users\Admin\AppData\Roaming\desktop.ini svcnost.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 be719be61af965ff761ca83b225fa792_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svcnost.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry svcnost.exe Set value (data) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\SavedLegacySettingsML = 313235383334333531 svcnost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4856 be719be61af965ff761ca83b225fa792_JaffaCakes118.exe 4856 be719be61af965ff761ca83b225fa792_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4856 be719be61af965ff761ca83b225fa792_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4856 wrote to memory of 3688 4856 be719be61af965ff761ca83b225fa792_JaffaCakes118.exe 91 PID 4856 wrote to memory of 3688 4856 be719be61af965ff761ca83b225fa792_JaffaCakes118.exe 91 PID 4856 wrote to memory of 3688 4856 be719be61af965ff761ca83b225fa792_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\be719be61af965ff761ca83b225fa792_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\be719be61af965ff761ca83b225fa792_JaffaCakes118.exe"1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Roaming\xztqmni1bm2dqkxjhzvm2csjzhkhffga2\svcnost.exe"C:\Users\Admin\AppData\Roaming\xztqmni1bm2dqkxjhzvm2csjzhkhffga2\svcnost.exe"2⤵
- Modifies firewall policy service
- Loads dropped DLL
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:3688
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
9KB
MD54a27242b307c6a836993353035fafc16
SHA15fea7a41b8f9071848108015d8a952e6f944eea0
SHA25602fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1
SHA51235e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be
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Filesize
54KB
MD57e8e966927e04a35aec644602b8a9e05
SHA1d201b0b41e8701818d60ddbf9f334332a512c4da
SHA25646f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c
SHA512246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51