Analysis
- max time kernel
150s - max time network
150s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system - submitted
19/05/2024, 20:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5b3412cf9da09f48a57e6ee6f4ef2596_JaffaCakes118.dll
Resource
win7-20240508-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5b3412cf9da09f48a57e6ee6f4ef2596_JaffaCakes118.dll
Resource
win10v2004-20240426-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 5b3412cf9da09f48a57e6ee6f4ef2596_JaffaCakes118.dll
- Size 5.0MB
- Sample240519-yr9cpsfc47
- SHA256 435afbf193eaa6ba5a2718bce0b707b3b548345fac3c7b941c66502202fb43ca
- MD5 5b3412cf9da09f48a57e6ee6f4ef2596
- SHA1 868d04b8ddee6565350620c734cb100d97095f68
- SHA512 91f3df2ba689fec90dbf096e770a889ec36dc94c5d3663bdecc3c9e9064f1596a0d823cab83987bf20b6a0d6e8eda9d849d387e3a2d35b8c35a877886f3cc9f9
- SSDEEP 98304:TDqPoBhz1aRxcSUDk36SAEdhvxWa9P593Y:TDqPe1Cxcxk3ZAEUadzY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (3324) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 2012 mssecsvc.exe 2144 mssecsvc.exe 2668 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\Wpad\12-09-25-b5-a8-64\WpadDecisionReason = "1" mssecsvc.exe 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 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\Cookies\CachePrefix = "Cookie:" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadNetworkName = "Network 3" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-09-25-b5-a8-64 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\History\CachePrefix = "Visited:" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9} mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadDecisionTime = 2049cf7827aada01 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadDecision = "0" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-09-25-b5-a8-64\WpadDecisionTime = 2049cf7827aada01 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-09-25-b5-a8-64\WpadDecision = "0" 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 (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 Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadDecisionReason = "1" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\12-09-25-b5-a8-64 mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2044 wrote to memory of 1028 2044 rundll32.exe 28 PID 2044 wrote to memory of 1028 2044 rundll32.exe 28 PID 2044 wrote to memory of 1028 2044 rundll32.exe 28 PID 2044 wrote to memory of 1028 2044 rundll32.exe 28 PID 2044 wrote to memory of 1028 2044 rundll32.exe 28 PID 2044 wrote to memory of 1028 2044 rundll32.exe 28 PID 2044 wrote to memory of 1028 2044 rundll32.exe 28 PID 1028 wrote to memory of 2012 1028 rundll32.exe 29 PID 1028 wrote to memory of 2012 1028 rundll32.exe 29 PID 1028 wrote to memory of 2012 1028 rundll32.exe 29 PID 1028 wrote to memory of 2012 1028 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5b3412cf9da09f48a57e6ee6f4ef2596_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5b3412cf9da09f48a57e6ee6f4ef2596_JaffaCakes118.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2012 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:2668
-
-
-
-
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe -m security1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2144
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 8376b88ef7462681ba76b80f47004d477eebe6360b2cc97a191cccf9763e5661
- MD5 9bf9e8f8a52c974c40852b3040647b42
- SHA1 ce185b9756b05fd5fb8949b400291d148472d037
- SHA512 f5e5a2ed73c474fab761fcd17da745a2cfb7ababb2aff9b17eeecfc3946398ff0ad71ebf613928bf4b1f88240b268688c82e7f3f7bf2fbadb43567e101874793
- SSDEEP 98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593YI:XDqPe1Cxcxk3ZAEUadzYI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 102136b8ac96b5edf4b0450a734e24b850b51e8f3dafd347d5b85bb202a29b2a
- MD5 6766b2c84517f32b7b4e855663693601
- SHA1 829f8e75eb3da162c8ce48bed80bbc7dfeba63de
- SHA512 0f302cd516aa838cd3103ec71e1584995548a1115c87f28d736ff526ccfab16359ebd1ce31d1707e4fbdb7a649f4f35cb4dd9f4c5dc380f2a1540750cea43577
- SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593Yj:QqPe1Cxcxk3ZAEUadzYj
- MD5 SHA1 SHA512 SSDEEP