Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21-05-2024 06:37
Static task
static1
Behavioral task
behavioral1
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win10v2004-20240426-en
General
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Target
Ransomware.WannaCrypt0r.v1.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
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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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 1 IoCs
Processes:
Ransomware.WannaCrypt0r.v1.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD2A4B.tmp Ransomware.WannaCrypt0r.v1.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2572 !WannaDecryptor!.exe 1400 !WannaDecryptor!.exe 776 !WannaDecryptor!.exe 1584 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
Processes:
cscript.exeRansomware.WannaCrypt0r.v1.execmd.exepid process 2560 cscript.exe 1968 Ransomware.WannaCrypt0r.v1.exe 1968 Ransomware.WannaCrypt0r.v1.exe 1968 Ransomware.WannaCrypt0r.v1.exe 1968 Ransomware.WannaCrypt0r.v1.exe 1488 cmd.exe 1488 cmd.exe 1968 Ransomware.WannaCrypt0r.v1.exe 1968 Ransomware.WannaCrypt0r.v1.exe -
Reads user/profile data of web browsers 2 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
Processes:
Ransomware.WannaCrypt0r.v1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Ransomware.WannaCrypt0r.v1.exe\" /r" Ransomware.WannaCrypt0r.v1.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1376 vssadmin.exe -
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 2052 taskkill.exe 2248 taskkill.exe 2744 taskkill.exe 1976 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
!WannaDecryptor!.exepid process 1584 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exevssvc.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1976 taskkill.exe Token: SeDebugPrivilege 2248 taskkill.exe Token: SeDebugPrivilege 2052 taskkill.exe Token: SeDebugPrivilege 2744 taskkill.exe Token: SeBackupPrivilege 2236 vssvc.exe Token: SeRestorePrivilege 2236 vssvc.exe Token: SeAuditPrivilege 2236 vssvc.exe Token: SeIncreaseQuotaPrivilege 2248 WMIC.exe Token: SeSecurityPrivilege 2248 WMIC.exe Token: SeTakeOwnershipPrivilege 2248 WMIC.exe Token: SeLoadDriverPrivilege 2248 WMIC.exe Token: SeSystemProfilePrivilege 2248 WMIC.exe Token: SeSystemtimePrivilege 2248 WMIC.exe Token: SeProfSingleProcessPrivilege 2248 WMIC.exe Token: SeIncBasePriorityPrivilege 2248 WMIC.exe Token: SeCreatePagefilePrivilege 2248 WMIC.exe Token: SeBackupPrivilege 2248 WMIC.exe Token: SeRestorePrivilege 2248 WMIC.exe Token: SeShutdownPrivilege 2248 WMIC.exe Token: SeDebugPrivilege 2248 WMIC.exe Token: SeSystemEnvironmentPrivilege 2248 WMIC.exe Token: SeRemoteShutdownPrivilege 2248 WMIC.exe Token: SeUndockPrivilege 2248 WMIC.exe Token: SeManageVolumePrivilege 2248 WMIC.exe Token: 33 2248 WMIC.exe Token: 34 2248 WMIC.exe Token: 35 2248 WMIC.exe Token: SeIncreaseQuotaPrivilege 2248 WMIC.exe Token: SeSecurityPrivilege 2248 WMIC.exe Token: SeTakeOwnershipPrivilege 2248 WMIC.exe Token: SeLoadDriverPrivilege 2248 WMIC.exe Token: SeSystemProfilePrivilege 2248 WMIC.exe Token: SeSystemtimePrivilege 2248 WMIC.exe Token: SeProfSingleProcessPrivilege 2248 WMIC.exe Token: SeIncBasePriorityPrivilege 2248 WMIC.exe Token: SeCreatePagefilePrivilege 2248 WMIC.exe Token: SeBackupPrivilege 2248 WMIC.exe Token: SeRestorePrivilege 2248 WMIC.exe Token: SeShutdownPrivilege 2248 WMIC.exe Token: SeDebugPrivilege 2248 WMIC.exe Token: SeSystemEnvironmentPrivilege 2248 WMIC.exe Token: SeRemoteShutdownPrivilege 2248 WMIC.exe Token: SeUndockPrivilege 2248 WMIC.exe Token: SeManageVolumePrivilege 2248 WMIC.exe Token: 33 2248 WMIC.exe Token: 34 2248 WMIC.exe Token: 35 2248 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2572 !WannaDecryptor!.exe 2572 !WannaDecryptor!.exe 1400 !WannaDecryptor!.exe 1400 !WannaDecryptor!.exe 776 !WannaDecryptor!.exe 776 !WannaDecryptor!.exe 1584 !WannaDecryptor!.exe 1584 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
Processes:
Ransomware.WannaCrypt0r.v1.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1968 wrote to memory of 2640 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 1968 wrote to memory of 2640 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 1968 wrote to memory of 2640 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 1968 wrote to memory of 2640 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2640 wrote to memory of 2560 2640 cmd.exe cscript.exe PID 2640 wrote to memory of 2560 2640 cmd.exe cscript.exe PID 2640 wrote to memory of 2560 2640 cmd.exe cscript.exe PID 2640 wrote to memory of 2560 2640 cmd.exe cscript.exe PID 1968 wrote to memory of 2572 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 2572 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 2572 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 2572 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 2052 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2052 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2052 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2052 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2248 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2248 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2248 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2248 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2744 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2744 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2744 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 2744 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 1976 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 1976 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 1976 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 1976 1968 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 1968 wrote to memory of 1400 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1400 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1400 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1400 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1488 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 1968 wrote to memory of 1488 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 1968 wrote to memory of 1488 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 1968 wrote to memory of 1488 1968 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 1488 wrote to memory of 776 1488 cmd.exe !WannaDecryptor!.exe PID 1488 wrote to memory of 776 1488 cmd.exe !WannaDecryptor!.exe PID 1488 wrote to memory of 776 1488 cmd.exe !WannaDecryptor!.exe PID 1488 wrote to memory of 776 1488 cmd.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1584 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1584 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1584 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 1968 wrote to memory of 1584 1968 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 776 wrote to memory of 996 776 !WannaDecryptor!.exe cmd.exe PID 776 wrote to memory of 996 776 !WannaDecryptor!.exe cmd.exe PID 776 wrote to memory of 996 776 !WannaDecryptor!.exe cmd.exe PID 776 wrote to memory of 996 776 !WannaDecryptor!.exe cmd.exe PID 996 wrote to memory of 1376 996 cmd.exe vssadmin.exe PID 996 wrote to memory of 1376 996 cmd.exe vssadmin.exe PID 996 wrote to memory of 1376 996 cmd.exe vssadmin.exe PID 996 wrote to memory of 1376 996 cmd.exe vssadmin.exe PID 996 wrote to memory of 2248 996 cmd.exe WMIC.exe PID 996 wrote to memory of 2248 996 cmd.exe WMIC.exe PID 996 wrote to memory of 2248 996 cmd.exe WMIC.exe PID 996 wrote to memory of 2248 996 cmd.exe WMIC.exe -
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\Ransomware.WannaCrypt0r.v1.exe"C:\Users\Admin\AppData\Local\Temp\Ransomware.WannaCrypt0r.v1.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\cmd.execmd /c 50811716273429.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
PID:2560
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2572
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2052
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2248
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2744
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1976
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1400
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:776 -
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⤵
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:1376
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2248
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1584
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2236
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
925B
MD5cd80eae6fbb01d9b1fefa8337d6ba11b
SHA161cdbe0eca2a0a649f1dd813a71001f81961786e
SHA25618a003ca6dd766aa05e45f5a467cd8242020e460c0ae5f1d494f99305889a970
SHA512b3f9024aa644260da20d4c77481d32ceae72b6517cd4ce37dffe16f5759bb3c46123207daddb83eee38938376d5b96070c8e27d471218a721ea1b5778729479b
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Filesize
136B
MD5a1c8a1ff90e2ff67f40bf859bf9b32ae
SHA18da431f1edb944b924fdd14fa3642d31c5a2937d
SHA256db5e907770c9215cc23de05505ceb8f1fb015d7f58d95cd6e9ec58dcac963b07
SHA51283b8566ea8c8d2159c3fabd778b91efadc0c6bcfaccafd5fcaaae00eee24a1c78cd9c3ed3b0ce7f21c8f5e9b1d8f3412546d7cb6750b350ef0c3c08d7b8c933e
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Filesize
136B
MD5297840dca82149ff429f169b6e4c2ce3
SHA1921e02ea494a30b13ad0c693825f14fc4df3ec3e
SHA256566a0eecdd9174ccad232a12205129f19029d33a118351c2d2cdb21dfa68a5d7
SHA512065e2e5fe5ddd36540481fe48a9709db78a39d2df8c1ab6273909c1ee2bc18d18a8558a7c88a1c10a5e380c7908d15538ea939f56e0d4f794ebd10c7cbe38d43
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Filesize
136B
MD51fdc9fbe6c0330c0074a9c55f8e50ba9
SHA1ae760ef49a16539d2e38af330522df47bf080933
SHA25666a2115e28aab9704abb58bbb8a8554d70ca4467fa13cfed4314cc4f9376e2ae
SHA512493da95c05fbb8da1062f710296f26f1c356a51c27413dc20df54e652649517e0c44b0fc1bedafd728404b020d6486130ae8b21b5d93f08b8aeb6d71a30cd1b1
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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
MD5778be1a3fbf6310bd3ee983bb202f210
SHA1ca27563142a76ba7d615ac38ee9ad7d1eec0be66
SHA256c9c85ceffdc5c1c33e6acafba6231b51d93e61eb3fdc7b87b298d89415f27a9b
SHA512ad228c69dff8e1cf69ad2936ca07704b60f3efd09031143839a5d0d9ab52ec3195aa396a049714b1fa0d306ac19bc23ff9c13e3902c7be1c5c74a837515db3d0
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b