Analysis
- max time kernel
150s - max time network
156s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
18/05/2024, 02:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
52bd09bef51fdc8f27db1d866833f06e_JaffaCakes118.dll
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
52bd09bef51fdc8f27db1d866833f06e_JaffaCakes118.dll
Resource
win10v2004-20240508-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 52bd09bef51fdc8f27db1d866833f06e_JaffaCakes118.dll
- Size 5.0MB
- Sample240518-def56sha2w
- SHA256 933d22e4dd68fe7cfa1d8a7afdd2f0a3aec97fbd0d09069a8667dc4f45c0c7eb
- MD5 52bd09bef51fdc8f27db1d866833f06e
- SHA1 2effa46e80d3a66a53a1a43f415c4383a2ead9c6
- SHA512 40fef4905591ccdd3db265671eb32d7eac3a2de03d0363b67cdd194db600965f091a46e7d8cd8c1519853aa58ca542761c4549e3cde257d77b9273bb6285f3b8
- SSDEEP 98304:TDqPoBhC1aRxcSUDk36SAEdhvxWa9P593R8:TDqPT1Cxcxk3ZAEUadzR8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (3287) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 1984 mssecsvc.exe 2540 mssecsvc.exe 2868 tasksche.exe - Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat mssecsvc.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\mssecsvc.exe rundll32.exe File created C:\WINDOWS\tasksche.exe mssecsvc.exe - Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9E57EC75-B56B-4995-B918-352C2AE90148} mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9E57EC75-B56B-4995-B918-352C2AE90148}\WpadDecisionReason = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9E57EC75-B56B-4995-B918-352C2AE90148}\WpadDecision = "0" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-7a-5e-ac-ac-3b mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-7a-5e-ac-ac-3b\WpadDecisionTime = 601f7ed1cea8da01 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0087000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9E57EC75-B56B-4995-B918-352C2AE90148}\WpadDecisionTime = 601f7ed1cea8da01 mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9E57EC75-B56B-4995-B918-352C2AE90148}\WpadNetworkName = "Network 3" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9E57EC75-B56B-4995-B918-352C2AE90148}\5a-7a-5e-ac-ac-3b mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-7a-5e-ac-ac-3b\WpadDecisionReason = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-7a-5e-ac-ac-3b\WpadDecision = "0" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2732 wrote to memory of 2208 2732 rundll32.exe 28 PID 2732 wrote to memory of 2208 2732 rundll32.exe 28 PID 2732 wrote to memory of 2208 2732 rundll32.exe 28 PID 2732 wrote to memory of 2208 2732 rundll32.exe 28 PID 2732 wrote to memory of 2208 2732 rundll32.exe 28 PID 2732 wrote to memory of 2208 2732 rundll32.exe 28 PID 2732 wrote to memory of 2208 2732 rundll32.exe 28 PID 2208 wrote to memory of 1984 2208 rundll32.exe 29 PID 2208 wrote to memory of 1984 2208 rundll32.exe 29 PID 2208 wrote to memory of 1984 2208 rundll32.exe 29 PID 2208 wrote to memory of 1984 2208 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\52bd09bef51fdc8f27db1d866833f06e_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\52bd09bef51fdc8f27db1d866833f06e_JaffaCakes118.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1984 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:2868
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C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe -m security1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 933bd7af869d16469fac1f38a7ce1f89907d0a0af6eb92d18d89939a6858dd34
- MD5 e24f99d2f3d5748da8746baa26293855
- SHA1 9dc544c10d8539e6673718d9f28e7675334ec347
- SHA512 0158fe45aad4fb521fd0c0fd3c03bacdd2c5ea66e9f4b5add529ced6e452c91e3b71296472a671ddd4ee7e4743b6499bb23eb1eb87b6a15008074f807f135fa1
- SSDEEP 98304:XDqPoBhC1aRxcSUDk36SAEdhvxWa9P593R8:XDqPT1Cxcxk3ZAEUadzR8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 aba53ea94812a018ac00e9664c57d32bbf25922bb08141694fb65f493611248b
- MD5 f35530613a65e4b78fd49fdc9ae2a761
- SHA1 c5171833f01470d7f01bda118eec6fd457545c0d
- SHA512 6d93a906f3de70ebef2b793954c2660f6c51f25a20f7b1c8da964240605e36e9861c822c9b6ee3a2f8e2e030991898b7d9ff8ee220b2f31ad3b8dba4be3e1d44
- SSDEEP 98304:QqPoBhC1aRxcSUDk36SAEdhvxWa9P593R8:QqPT1Cxcxk3ZAEUadzR8
- MD5 SHA1 SHA512 SSDEEP