Analysis
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max time kernel
140s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27-10-2024 09:36
Static task
static1
Behavioral task
behavioral1
Sample
(2017) WannaCry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
(2017) WannaCry.exe
Resource
win10v2004-20241007-en
General
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Target
(2017) WannaCry.exe
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Size
224KB
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MD5
75031983cb851f3475c460a40797fe62
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SHA1
4ee0238f082123aeb7642ea2e427f57cf4ee954a
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SHA256
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4
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SHA512
635b72c7fb8d8b3818364a8a239941d4b4ec608f3d87ee966ce6abd599b847f2aee1e895d996391a1802a57afb41127fbc5e87020b5b280aca2066039e94ca36
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/Efc:+5RwTs/dSXj84mRXPemxdBlPvLzLe
Malware Config
Extracted
C:\Users\Admin\Documents\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Wannacry family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDE403.tmp (2017) WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDE417.tmp (2017) WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 2948 !WannaDecryptor!.exe 1596 !WannaDecryptor!.exe 112 !WannaDecryptor!.exe 2980 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2216 cscript.exe 2100 (2017) WannaCry.exe 2100 (2017) WannaCry.exe 2100 (2017) WannaCry.exe 2100 (2017) WannaCry.exe 2380 cmd.exe 2380 cmd.exe 2100 (2017) WannaCry.exe 2100 (2017) WannaCry.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\(2017) WannaCry.exe\" /r" (2017) WannaCry.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 15 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language (2017) WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vssadmin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2912 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 2268 taskkill.exe 1940 taskkill.exe 828 taskkill.exe 2500 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2980 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 2500 taskkill.exe Token: SeDebugPrivilege 828 taskkill.exe Token: SeDebugPrivilege 1940 taskkill.exe Token: SeDebugPrivilege 2268 taskkill.exe Token: SeBackupPrivilege 2988 vssvc.exe Token: SeRestorePrivilege 2988 vssvc.exe Token: SeAuditPrivilege 2988 vssvc.exe Token: SeIncreaseQuotaPrivilege 2748 WMIC.exe Token: SeSecurityPrivilege 2748 WMIC.exe Token: SeTakeOwnershipPrivilege 2748 WMIC.exe Token: SeLoadDriverPrivilege 2748 WMIC.exe Token: SeSystemProfilePrivilege 2748 WMIC.exe Token: SeSystemtimePrivilege 2748 WMIC.exe Token: SeProfSingleProcessPrivilege 2748 WMIC.exe Token: SeIncBasePriorityPrivilege 2748 WMIC.exe Token: SeCreatePagefilePrivilege 2748 WMIC.exe Token: SeBackupPrivilege 2748 WMIC.exe Token: SeRestorePrivilege 2748 WMIC.exe Token: SeShutdownPrivilege 2748 WMIC.exe Token: SeDebugPrivilege 2748 WMIC.exe Token: SeSystemEnvironmentPrivilege 2748 WMIC.exe Token: SeRemoteShutdownPrivilege 2748 WMIC.exe Token: SeUndockPrivilege 2748 WMIC.exe Token: SeManageVolumePrivilege 2748 WMIC.exe Token: 33 2748 WMIC.exe Token: 34 2748 WMIC.exe Token: 35 2748 WMIC.exe Token: SeIncreaseQuotaPrivilege 2748 WMIC.exe Token: SeSecurityPrivilege 2748 WMIC.exe Token: SeTakeOwnershipPrivilege 2748 WMIC.exe Token: SeLoadDriverPrivilege 2748 WMIC.exe Token: SeSystemProfilePrivilege 2748 WMIC.exe Token: SeSystemtimePrivilege 2748 WMIC.exe Token: SeProfSingleProcessPrivilege 2748 WMIC.exe Token: SeIncBasePriorityPrivilege 2748 WMIC.exe Token: SeCreatePagefilePrivilege 2748 WMIC.exe Token: SeBackupPrivilege 2748 WMIC.exe Token: SeRestorePrivilege 2748 WMIC.exe Token: SeShutdownPrivilege 2748 WMIC.exe Token: SeDebugPrivilege 2748 WMIC.exe Token: SeSystemEnvironmentPrivilege 2748 WMIC.exe Token: SeRemoteShutdownPrivilege 2748 WMIC.exe Token: SeUndockPrivilege 2748 WMIC.exe Token: SeManageVolumePrivilege 2748 WMIC.exe Token: 33 2748 WMIC.exe Token: 34 2748 WMIC.exe Token: 35 2748 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2948 !WannaDecryptor!.exe 2948 !WannaDecryptor!.exe 1596 !WannaDecryptor!.exe 1596 !WannaDecryptor!.exe 112 !WannaDecryptor!.exe 112 !WannaDecryptor!.exe 2980 !WannaDecryptor!.exe 2980 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2100 wrote to memory of 1656 2100 (2017) WannaCry.exe 31 PID 2100 wrote to memory of 1656 2100 (2017) WannaCry.exe 31 PID 2100 wrote to memory of 1656 2100 (2017) WannaCry.exe 31 PID 2100 wrote to memory of 1656 2100 (2017) WannaCry.exe 31 PID 1656 wrote to memory of 2216 1656 cmd.exe 33 PID 1656 wrote to memory of 2216 1656 cmd.exe 33 PID 1656 wrote to memory of 2216 1656 cmd.exe 33 PID 1656 wrote to memory of 2216 1656 cmd.exe 33 PID 2100 wrote to memory of 2948 2100 (2017) WannaCry.exe 34 PID 2100 wrote to memory of 2948 2100 (2017) WannaCry.exe 34 PID 2100 wrote to memory of 2948 2100 (2017) WannaCry.exe 34 PID 2100 wrote to memory of 2948 2100 (2017) WannaCry.exe 34 PID 2100 wrote to memory of 2500 2100 (2017) WannaCry.exe 35 PID 2100 wrote to memory of 2500 2100 (2017) WannaCry.exe 35 PID 2100 wrote to memory of 2500 2100 (2017) WannaCry.exe 35 PID 2100 wrote to memory of 2500 2100 (2017) WannaCry.exe 35 PID 2100 wrote to memory of 828 2100 (2017) WannaCry.exe 36 PID 2100 wrote to memory of 828 2100 (2017) WannaCry.exe 36 PID 2100 wrote to memory of 828 2100 (2017) WannaCry.exe 36 PID 2100 wrote to memory of 828 2100 (2017) WannaCry.exe 36 PID 2100 wrote to memory of 1940 2100 (2017) WannaCry.exe 38 PID 2100 wrote to memory of 1940 2100 (2017) WannaCry.exe 38 PID 2100 wrote to memory of 1940 2100 (2017) WannaCry.exe 38 PID 2100 wrote to memory of 1940 2100 (2017) WannaCry.exe 38 PID 2100 wrote to memory of 2268 2100 (2017) WannaCry.exe 40 PID 2100 wrote to memory of 2268 2100 (2017) WannaCry.exe 40 PID 2100 wrote to memory of 2268 2100 (2017) WannaCry.exe 40 PID 2100 wrote to memory of 2268 2100 (2017) WannaCry.exe 40 PID 2100 wrote to memory of 1596 2100 (2017) WannaCry.exe 45 PID 2100 wrote to memory of 1596 2100 (2017) WannaCry.exe 45 PID 2100 wrote to memory of 1596 2100 (2017) WannaCry.exe 45 PID 2100 wrote to memory of 1596 2100 (2017) WannaCry.exe 45 PID 2100 wrote to memory of 2380 2100 (2017) WannaCry.exe 46 PID 2100 wrote to memory of 2380 2100 (2017) WannaCry.exe 46 PID 2100 wrote to memory of 2380 2100 (2017) WannaCry.exe 46 PID 2100 wrote to memory of 2380 2100 (2017) WannaCry.exe 46 PID 2380 wrote to memory of 112 2380 cmd.exe 48 PID 2380 wrote to memory of 112 2380 cmd.exe 48 PID 2380 wrote to memory of 112 2380 cmd.exe 48 PID 2380 wrote to memory of 112 2380 cmd.exe 48 PID 2100 wrote to memory of 2980 2100 (2017) WannaCry.exe 49 PID 2100 wrote to memory of 2980 2100 (2017) WannaCry.exe 49 PID 2100 wrote to memory of 2980 2100 (2017) WannaCry.exe 49 PID 2100 wrote to memory of 2980 2100 (2017) WannaCry.exe 49 PID 112 wrote to memory of 2956 112 !WannaDecryptor!.exe 50 PID 112 wrote to memory of 2956 112 !WannaDecryptor!.exe 50 PID 112 wrote to memory of 2956 112 !WannaDecryptor!.exe 50 PID 112 wrote to memory of 2956 112 !WannaDecryptor!.exe 50 PID 2956 wrote to memory of 2912 2956 cmd.exe 52 PID 2956 wrote to memory of 2912 2956 cmd.exe 52 PID 2956 wrote to memory of 2912 2956 cmd.exe 52 PID 2956 wrote to memory of 2912 2956 cmd.exe 52 PID 2956 wrote to memory of 2748 2956 cmd.exe 54 PID 2956 wrote to memory of 2748 2956 cmd.exe 54 PID 2956 wrote to memory of 2748 2956 cmd.exe 54 PID 2956 wrote to memory of 2748 2956 cmd.exe 54 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\(2017) WannaCry.exe"C:\Users\Admin\AppData\Local\Temp\(2017) WannaCry.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\cmd.execmd /c 253581730021898.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2216
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2948
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2500
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:828
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1940
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2268
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1596
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2912
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2748
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2980
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2988
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
921B
MD5db194705440a3e5b538a44a2f02f58a1
SHA1afc2653817819debf512b7656e38348478e74e5d
SHA25672007fe84fb280aa91f1b5a66ea9f937621602cb7cf6a245bc840f25747be303
SHA512e32e079e2b47ebbe7103a9f58d70f91282c808ca5bfabfa1001aa3d4291c2e50c8120ea929b4eeec675cd1bc59840089ac1498efd6e877f9114549f3591d1bf5
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Filesize
136B
MD5e3fd00cedb1be97baf17dc62da096e03
SHA178696a7121a763b1423c7c28edb94a3135aae120
SHA2565899006e870ce9b2bcd2e41bb52f0bfcdf2c4e149eec8f219a1218ff901eb90a
SHA512be4f08fd819501f2db4b982eff53e18f8845714830f0b79870a8c76465ea49953c0c16e92d6ffe84ca8fc3fb6d9c224e328a2ee8be0d173f3866cee50263e436
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Filesize
136B
MD57c0a604f43de28dc5643872664d8b9f7
SHA12e4ede1114ab0c503172c1dc1c823083a679a9e3
SHA256137d5ca75dd62b7b186aef97a29949ad613d18179167cbf65b85682155d0a2d5
SHA512ec02ff40118cb7eaa1a35a8e5c29d495db7159200d9baacb43ffb66d757ca0156f39fd9072ffbac21f7e170c5e20e68c03ca76412bd9f6b4e3ee8ca5f3fcce75
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Filesize
136B
MD5f063d4d2761577c25d053a7697913446
SHA12b2c5ed696d976d5a57674eee920ab6b29acf27d
SHA25612fdadfbdb687298e63636f79312ded6d56516e96908649f30cbb045e3836cd9
SHA512e181ff292c55cc3fe5347961571a5d85362a53d944507fdeb6d099cc86884f18d110063b8bb0bc31fe83f6f8e3d6d9eb470305b3dd09e1dc3516fff2f0190fe1
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD575d893dc5f846d237add9f606c8338fe
SHA142d08a52cc8ea5b003d0d338ac861c37f3ce3d2d
SHA25698aa22c5a71aeaed34a95eeadfd9d09b57346cd60d58fc41b0249e83cccd0d3e
SHA512386caad68ac3c98413c87eb9159b50cf34c81614e96a2722910207a03a07676c6ba0febac19772f12e19f32a5cdc5786903247367c5a347026a2b739d39179f9
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5