Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2024 18:38
Static task
static1
Behavioral task
behavioral1
Sample
f2e2d36f1ca62d2ca0e2d2048ff9bd8f_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f2e2d36f1ca62d2ca0e2d2048ff9bd8f_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
f2e2d36f1ca62d2ca0e2d2048ff9bd8f_JaffaCakes118.dll
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Size
5.0MB
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MD5
f2e2d36f1ca62d2ca0e2d2048ff9bd8f
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SHA1
2e6b1cc6d6be41f90b5c775148ebc234a54f5d3b
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SHA256
0d4245b5b2282c6f37e0b24f9c12c2f7034a4aa35334c87c1aa8dfe271e35d14
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SHA512
4bdb9c83d251b252ef06c30b28b4f8101aacb2aed8b7c36acd68b96472eb415c1d15f487cc5231f0124ee3a8a3f21ac9dac08b6c1183b1d8afa3f89b329af694
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SSDEEP
24576:SbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNL7DauvgI8+75ST:SnAQqMSPbcBVQej/1INPuLN
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3216) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 3 IoCs
pid Process 1756 mssecsvc.exe 4040 mssecsvc.exe 760 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\tasksche.exe mssecsvc.exe File created C:\WINDOWS\mssecsvc.exe rundll32.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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvc.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" mssecsvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2888 wrote to memory of 1484 2888 rundll32.exe 82 PID 2888 wrote to memory of 1484 2888 rundll32.exe 82 PID 2888 wrote to memory of 1484 2888 rundll32.exe 82 PID 1484 wrote to memory of 1756 1484 rundll32.exe 83 PID 1484 wrote to memory of 1756 1484 rundll32.exe 83 PID 1484 wrote to memory of 1756 1484 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e2d36f1ca62d2ca0e2d2048ff9bd8f_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e2d36f1ca62d2ca0e2d2048ff9bd8f_JaffaCakes118.dll,#12⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1756 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:760
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C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe -m security1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.6MB
MD5de1ab747d4a2cf7e84cd2eedaaa2214a
SHA14969d236ccd15328389686e1a3133eee11fc7bef
SHA25625f78904f9b1c189c89dbc27810a3b796e0edbef3426351e5287586bd3a98d6a
SHA5126f46ff5be93c8b5b6aecd0489fd03cf792d20532f084607200ce89dab995f5cf115d1c67bc96504c4e5705ab67e5bde2a97212528881c25a5f0ace3562f6fccd
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Filesize
3.4MB
MD511192ae4e995f992a50966cf0d009b63
SHA190c50c76879e5a69829f62e0e61397bce43cda75
SHA256b47dc85dadcd2977a7a6e4b32e9e84780f199d594da335df0c705e39d0117ee0
SHA512ba14019e518b1c973d97bdabe9e6baf293c1b11b6b7715fecf6c20d64984818d49ba35a464160de9ab7fb5a3fab83093d34099b4f139f774a87c1f7dbb153025