Analysis
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max time kernel
148s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/03/2025, 02:41
Static task
static1
Behavioral task
behavioral1
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win10v2004-20250314-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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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\~SDCC3D.tmp Ransomware.WannaCrypt0r.v1.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDCC50.tmp Ransomware.WannaCrypt0r.v1.exe -
Executes dropped EXE 4 IoCs
pid Process 2676 !WannaDecryptor!.exe 924 !WannaDecryptor!.exe 1628 !WannaDecryptor!.exe 1616 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2148 cscript.exe 2376 Ransomware.WannaCrypt0r.v1.exe 2376 Ransomware.WannaCrypt0r.v1.exe 2376 Ransomware.WannaCrypt0r.v1.exe 2376 Ransomware.WannaCrypt0r.v1.exe 1304 cmd.exe 1304 cmd.exe 2376 Ransomware.WannaCrypt0r.v1.exe 2376 Ransomware.WannaCrypt0r.v1.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\\Ransomware.WannaCrypt0r.v1.exe\" /r" Ransomware.WannaCrypt0r.v1.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 vssadmin.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 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 Ransomware.WannaCrypt0r.v1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.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 cmd.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 2996 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 844 taskkill.exe 988 taskkill.exe 704 taskkill.exe 1340 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1616 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 704 taskkill.exe Token: SeDebugPrivilege 844 taskkill.exe Token: SeDebugPrivilege 988 taskkill.exe Token: SeDebugPrivilege 1340 taskkill.exe Token: SeBackupPrivilege 1752 vssvc.exe Token: SeRestorePrivilege 1752 vssvc.exe Token: SeAuditPrivilege 1752 vssvc.exe Token: SeIncreaseQuotaPrivilege 2768 WMIC.exe Token: SeSecurityPrivilege 2768 WMIC.exe Token: SeTakeOwnershipPrivilege 2768 WMIC.exe Token: SeLoadDriverPrivilege 2768 WMIC.exe Token: SeSystemProfilePrivilege 2768 WMIC.exe Token: SeSystemtimePrivilege 2768 WMIC.exe Token: SeProfSingleProcessPrivilege 2768 WMIC.exe Token: SeIncBasePriorityPrivilege 2768 WMIC.exe Token: SeCreatePagefilePrivilege 2768 WMIC.exe Token: SeBackupPrivilege 2768 WMIC.exe Token: SeRestorePrivilege 2768 WMIC.exe Token: SeShutdownPrivilege 2768 WMIC.exe Token: SeDebugPrivilege 2768 WMIC.exe Token: SeSystemEnvironmentPrivilege 2768 WMIC.exe Token: SeRemoteShutdownPrivilege 2768 WMIC.exe Token: SeUndockPrivilege 2768 WMIC.exe Token: SeManageVolumePrivilege 2768 WMIC.exe Token: 33 2768 WMIC.exe Token: 34 2768 WMIC.exe Token: 35 2768 WMIC.exe Token: SeIncreaseQuotaPrivilege 2768 WMIC.exe Token: SeSecurityPrivilege 2768 WMIC.exe Token: SeTakeOwnershipPrivilege 2768 WMIC.exe Token: SeLoadDriverPrivilege 2768 WMIC.exe Token: SeSystemProfilePrivilege 2768 WMIC.exe Token: SeSystemtimePrivilege 2768 WMIC.exe Token: SeProfSingleProcessPrivilege 2768 WMIC.exe Token: SeIncBasePriorityPrivilege 2768 WMIC.exe Token: SeCreatePagefilePrivilege 2768 WMIC.exe Token: SeBackupPrivilege 2768 WMIC.exe Token: SeRestorePrivilege 2768 WMIC.exe Token: SeShutdownPrivilege 2768 WMIC.exe Token: SeDebugPrivilege 2768 WMIC.exe Token: SeSystemEnvironmentPrivilege 2768 WMIC.exe Token: SeRemoteShutdownPrivilege 2768 WMIC.exe Token: SeUndockPrivilege 2768 WMIC.exe Token: SeManageVolumePrivilege 2768 WMIC.exe Token: 33 2768 WMIC.exe Token: 34 2768 WMIC.exe Token: 35 2768 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2676 !WannaDecryptor!.exe 2676 !WannaDecryptor!.exe 924 !WannaDecryptor!.exe 924 !WannaDecryptor!.exe 1628 !WannaDecryptor!.exe 1628 !WannaDecryptor!.exe 1616 !WannaDecryptor!.exe 1616 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2376 wrote to memory of 3068 2376 Ransomware.WannaCrypt0r.v1.exe 30 PID 2376 wrote to memory of 3068 2376 Ransomware.WannaCrypt0r.v1.exe 30 PID 2376 wrote to memory of 3068 2376 Ransomware.WannaCrypt0r.v1.exe 30 PID 2376 wrote to memory of 3068 2376 Ransomware.WannaCrypt0r.v1.exe 30 PID 3068 wrote to memory of 2148 3068 cmd.exe 32 PID 3068 wrote to memory of 2148 3068 cmd.exe 32 PID 3068 wrote to memory of 2148 3068 cmd.exe 32 PID 3068 wrote to memory of 2148 3068 cmd.exe 32 PID 2376 wrote to memory of 2676 2376 Ransomware.WannaCrypt0r.v1.exe 33 PID 2376 wrote to memory of 2676 2376 Ransomware.WannaCrypt0r.v1.exe 33 PID 2376 wrote to memory of 2676 2376 Ransomware.WannaCrypt0r.v1.exe 33 PID 2376 wrote to memory of 2676 2376 Ransomware.WannaCrypt0r.v1.exe 33 PID 2376 wrote to memory of 844 2376 Ransomware.WannaCrypt0r.v1.exe 35 PID 2376 wrote to memory of 844 2376 Ransomware.WannaCrypt0r.v1.exe 35 PID 2376 wrote to memory of 844 2376 Ransomware.WannaCrypt0r.v1.exe 35 PID 2376 wrote to memory of 844 2376 Ransomware.WannaCrypt0r.v1.exe 35 PID 2376 wrote to memory of 988 2376 Ransomware.WannaCrypt0r.v1.exe 36 PID 2376 wrote to memory of 988 2376 Ransomware.WannaCrypt0r.v1.exe 36 PID 2376 wrote to memory of 988 2376 Ransomware.WannaCrypt0r.v1.exe 36 PID 2376 wrote to memory of 988 2376 Ransomware.WannaCrypt0r.v1.exe 36 PID 2376 wrote to memory of 704 2376 Ransomware.WannaCrypt0r.v1.exe 38 PID 2376 wrote to memory of 704 2376 Ransomware.WannaCrypt0r.v1.exe 38 PID 2376 wrote to memory of 704 2376 Ransomware.WannaCrypt0r.v1.exe 38 PID 2376 wrote to memory of 704 2376 Ransomware.WannaCrypt0r.v1.exe 38 PID 2376 wrote to memory of 1340 2376 Ransomware.WannaCrypt0r.v1.exe 40 PID 2376 wrote to memory of 1340 2376 Ransomware.WannaCrypt0r.v1.exe 40 PID 2376 wrote to memory of 1340 2376 Ransomware.WannaCrypt0r.v1.exe 40 PID 2376 wrote to memory of 1340 2376 Ransomware.WannaCrypt0r.v1.exe 40 PID 2376 wrote to memory of 924 2376 Ransomware.WannaCrypt0r.v1.exe 45 PID 2376 wrote to memory of 924 2376 Ransomware.WannaCrypt0r.v1.exe 45 PID 2376 wrote to memory of 924 2376 Ransomware.WannaCrypt0r.v1.exe 45 PID 2376 wrote to memory of 924 2376 Ransomware.WannaCrypt0r.v1.exe 45 PID 2376 wrote to memory of 1304 2376 Ransomware.WannaCrypt0r.v1.exe 46 PID 2376 wrote to memory of 1304 2376 Ransomware.WannaCrypt0r.v1.exe 46 PID 2376 wrote to memory of 1304 2376 Ransomware.WannaCrypt0r.v1.exe 46 PID 2376 wrote to memory of 1304 2376 Ransomware.WannaCrypt0r.v1.exe 46 PID 1304 wrote to memory of 1628 1304 cmd.exe 48 PID 1304 wrote to memory of 1628 1304 cmd.exe 48 PID 1304 wrote to memory of 1628 1304 cmd.exe 48 PID 1304 wrote to memory of 1628 1304 cmd.exe 48 PID 2376 wrote to memory of 1616 2376 Ransomware.WannaCrypt0r.v1.exe 49 PID 2376 wrote to memory of 1616 2376 Ransomware.WannaCrypt0r.v1.exe 49 PID 2376 wrote to memory of 1616 2376 Ransomware.WannaCrypt0r.v1.exe 49 PID 2376 wrote to memory of 1616 2376 Ransomware.WannaCrypt0r.v1.exe 49 PID 1628 wrote to memory of 2016 1628 !WannaDecryptor!.exe 50 PID 1628 wrote to memory of 2016 1628 !WannaDecryptor!.exe 50 PID 1628 wrote to memory of 2016 1628 !WannaDecryptor!.exe 50 PID 1628 wrote to memory of 2016 1628 !WannaDecryptor!.exe 50 PID 2016 wrote to memory of 2996 2016 cmd.exe 52 PID 2016 wrote to memory of 2996 2016 cmd.exe 52 PID 2016 wrote to memory of 2996 2016 cmd.exe 52 PID 2016 wrote to memory of 2996 2016 cmd.exe 52 PID 2016 wrote to memory of 2768 2016 cmd.exe 54 PID 2016 wrote to memory of 2768 2016 cmd.exe 54 PID 2016 wrote to memory of 2768 2016 cmd.exe 54 PID 2016 wrote to memory of 2768 2016 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\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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\cmd.execmd /c 104351742956880.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2148
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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:2676
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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:844
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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:988
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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:704
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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:1340
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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:924
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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:1304 -
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:1628 -
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:2016 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2996
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2768
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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:1616
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1752
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
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
921B
MD5cdc878cbf4cbe4a6c88ad8ac91ddb1ba
SHA15f65e4ba57f03c95cb92bdbfc582d3aaa0334760
SHA256fcfd0b9179e038cf1daeb4a90ee545150503e94155fa949dd7dbb992d0e37d57
SHA512e1314cadf8765e1b6f0f12a8e33b9d31dd1fe66c0968ee3937c8c0edf2887a5f850fa6e223422cc61d22fb0948a5f97716ef042ee4f2962d85a50b41ef9439d9
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Filesize
136B
MD5a3467fb0771a6769a6d35a1c72df4aa6
SHA1c26dad5a2a30f2d1ce25f2126032f05047b4839b
SHA256df99e0f47110c01ad650be015bf7159076f663eb2d70bcf33002e004a70dbd9a
SHA5126dff42b0235574b292deba27dc25f45ea3de47500c2cffb961931ce2c2960646710eea75dc293eaba1620834e03827c75cba0e32fe19dd57d91ed036dedc2768
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Filesize
136B
MD54c84e9e184b766a59e561aed25be1dd0
SHA188d62741e3fd8fd559f05782aa3eba9567a1cb7b
SHA2569770e239cb58981e690e76499478031d12dddfc8584213afa0383349bff88a72
SHA512f22b71da62ee0e5cce6eb460b4a9249fc877ca883e058c188269c17e8d939d0063022419d6ca64611077da6982bfa98c7f372688a37c221dfdc0f8f777a29428
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Filesize
136B
MD584a4bae60b3b87144e1815180a91fd15
SHA16898a0144ea9662d409218b67821f53db0fd11e3
SHA256b819e03af16c36ae1d23ddd300c239a455bd0f9f5f012247a2e78d6c07a5f2e9
SHA5125d802ecadebdefdc804bf91a71ff0ecf3ea33a44d62bbb251dee36255e47f8bbd5017597090f52e6ec771fff4298cfffbb064af6bc4c882a4b53016b8e0282ad
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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
MD536ecab2a5ad8c8a8787760a5e2db1398
SHA1c209e5a9e7018414fc6f2121e8f1024b42eb66c9
SHA2568a93117cdca69b70c839799c342865bb4e5a30005331c246d28c8741a6c46c55
SHA5124f1815c5ed7b12e10472b2d97aa4400a3914a16bdf15a6aadfac2c0c6528ef8d13eed831202f3ece46d4391858279684731fe2e36c86e4bcc31b1147d1616c41
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b