Analysis
- max time kernel
148s - max time network
119s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
14/05/2024, 12:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win7-20240221-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win10v2004-20240508-en
13 signatures
150 seconds
General
- Target Ransomware.WannaCrypt0r.v1.exe
- Size 224KB
- Sample240514-plkbysfe49
- SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
- MD5 5c7fb0927db37372da25f270708103a2
- SHA1 120ed9279d85cbfa56e5b7779ffa7162074f7a29
- SHA512 a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
- SSDEEP 3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Path
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C:\Users\Admin\Documents\!Please Read Me!.txt
-
wannacry
Ransom Note
- Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets
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15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD205D.tmp Ransomware.WannaCrypt0r.v1.exe - Executes dropped EXE 4 IoCs
pid Process 2724 !WannaDecryptor!.exe 2128 !WannaDecryptor!.exe 2276 !WannaDecryptor!.exe 1744 !WannaDecryptor!.exe - Loads dropped DLL 9 IoCs
pid Process 2896 cscript.exe 2080 Ransomware.WannaCrypt0r.v1.exe 2080 Ransomware.WannaCrypt0r.v1.exe 2080 Ransomware.WannaCrypt0r.v1.exe 2080 Ransomware.WannaCrypt0r.v1.exe 1200 cmd.exe 1200 cmd.exe 2080 Ransomware.WannaCrypt0r.v1.exe 2080 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.
- 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-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe 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 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 288 vssadmin.exe - Kills process with taskkill 4 IoCs
pid Process 2304 taskkill.exe 2040 taskkill.exe 1852 taskkill.exe 2256 taskkill.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1744 !WannaDecryptor!.exe - Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 1852 taskkill.exe Token: SeDebugPrivilege 2304 taskkill.exe Token: SeDebugPrivilege 2040 taskkill.exe Token: SeDebugPrivilege 2256 taskkill.exe Token: SeBackupPrivilege 2068 vssvc.exe Token: SeRestorePrivilege 2068 vssvc.exe Token: SeAuditPrivilege 2068 vssvc.exe Token: SeIncreaseQuotaPrivilege 1764 WMIC.exe Token: SeSecurityPrivilege 1764 WMIC.exe Token: SeTakeOwnershipPrivilege 1764 WMIC.exe Token: SeLoadDriverPrivilege 1764 WMIC.exe Token: SeSystemProfilePrivilege 1764 WMIC.exe Token: SeSystemtimePrivilege 1764 WMIC.exe Token: SeProfSingleProcessPrivilege 1764 WMIC.exe Token: SeIncBasePriorityPrivilege 1764 WMIC.exe Token: SeCreatePagefilePrivilege 1764 WMIC.exe Token: SeBackupPrivilege 1764 WMIC.exe Token: SeRestorePrivilege 1764 WMIC.exe Token: SeShutdownPrivilege 1764 WMIC.exe Token: SeDebugPrivilege 1764 WMIC.exe Token: SeSystemEnvironmentPrivilege 1764 WMIC.exe Token: SeRemoteShutdownPrivilege 1764 WMIC.exe Token: SeUndockPrivilege 1764 WMIC.exe Token: SeManageVolumePrivilege 1764 WMIC.exe Token: 33 1764 WMIC.exe Token: 34 1764 WMIC.exe Token: 35 1764 WMIC.exe Token: SeIncreaseQuotaPrivilege 1764 WMIC.exe Token: SeSecurityPrivilege 1764 WMIC.exe Token: SeTakeOwnershipPrivilege 1764 WMIC.exe Token: SeLoadDriverPrivilege 1764 WMIC.exe Token: SeSystemProfilePrivilege 1764 WMIC.exe Token: SeSystemtimePrivilege 1764 WMIC.exe Token: SeProfSingleProcessPrivilege 1764 WMIC.exe Token: SeIncBasePriorityPrivilege 1764 WMIC.exe Token: SeCreatePagefilePrivilege 1764 WMIC.exe Token: SeBackupPrivilege 1764 WMIC.exe Token: SeRestorePrivilege 1764 WMIC.exe Token: SeShutdownPrivilege 1764 WMIC.exe Token: SeDebugPrivilege 1764 WMIC.exe Token: SeSystemEnvironmentPrivilege 1764 WMIC.exe Token: SeRemoteShutdownPrivilege 1764 WMIC.exe Token: SeUndockPrivilege 1764 WMIC.exe Token: SeManageVolumePrivilege 1764 WMIC.exe Token: 33 1764 WMIC.exe Token: 34 1764 WMIC.exe Token: 35 1764 WMIC.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2724 !WannaDecryptor!.exe 2724 !WannaDecryptor!.exe 2128 !WannaDecryptor!.exe 2128 !WannaDecryptor!.exe 2276 !WannaDecryptor!.exe 2276 !WannaDecryptor!.exe 1744 !WannaDecryptor!.exe 1744 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2080 wrote to memory of 1996 2080 Ransomware.WannaCrypt0r.v1.exe 28 PID 2080 wrote to memory of 1996 2080 Ransomware.WannaCrypt0r.v1.exe 28 PID 2080 wrote to memory of 1996 2080 Ransomware.WannaCrypt0r.v1.exe 28 PID 2080 wrote to memory of 1996 2080 Ransomware.WannaCrypt0r.v1.exe 28 PID 1996 wrote to memory of 2896 1996 cmd.exe 30 PID 1996 wrote to memory of 2896 1996 cmd.exe 30 PID 1996 wrote to memory of 2896 1996 cmd.exe 30 PID 1996 wrote to memory of 2896 1996 cmd.exe 30 PID 2080 wrote to memory of 2724 2080 Ransomware.WannaCrypt0r.v1.exe 31 PID 2080 wrote to memory of 2724 2080 Ransomware.WannaCrypt0r.v1.exe 31 PID 2080 wrote to memory of 2724 2080 Ransomware.WannaCrypt0r.v1.exe 31 PID 2080 wrote to memory of 2724 2080 Ransomware.WannaCrypt0r.v1.exe 31 PID 2080 wrote to memory of 2304 2080 Ransomware.WannaCrypt0r.v1.exe 32 PID 2080 wrote to memory of 2304 2080 Ransomware.WannaCrypt0r.v1.exe 32 PID 2080 wrote to memory of 2304 2080 Ransomware.WannaCrypt0r.v1.exe 32 PID 2080 wrote to memory of 2304 2080 Ransomware.WannaCrypt0r.v1.exe 32 PID 2080 wrote to memory of 2040 2080 Ransomware.WannaCrypt0r.v1.exe 33 PID 2080 wrote to memory of 2040 2080 Ransomware.WannaCrypt0r.v1.exe 33 PID 2080 wrote to memory of 2040 2080 Ransomware.WannaCrypt0r.v1.exe 33 PID 2080 wrote to memory of 2040 2080 Ransomware.WannaCrypt0r.v1.exe 33 PID 2080 wrote to memory of 1852 2080 Ransomware.WannaCrypt0r.v1.exe 36 PID 2080 wrote to memory of 1852 2080 Ransomware.WannaCrypt0r.v1.exe 36 PID 2080 wrote to memory of 1852 2080 Ransomware.WannaCrypt0r.v1.exe 36 PID 2080 wrote to memory of 1852 2080 Ransomware.WannaCrypt0r.v1.exe 36 PID 2080 wrote to memory of 2256 2080 Ransomware.WannaCrypt0r.v1.exe 37 PID 2080 wrote to memory of 2256 2080 Ransomware.WannaCrypt0r.v1.exe 37 PID 2080 wrote to memory of 2256 2080 Ransomware.WannaCrypt0r.v1.exe 37 PID 2080 wrote to memory of 2256 2080 Ransomware.WannaCrypt0r.v1.exe 37 PID 2080 wrote to memory of 2128 2080 Ransomware.WannaCrypt0r.v1.exe 42 PID 2080 wrote to memory of 2128 2080 Ransomware.WannaCrypt0r.v1.exe 42 PID 2080 wrote to memory of 2128 2080 Ransomware.WannaCrypt0r.v1.exe 42 PID 2080 wrote to memory of 2128 2080 Ransomware.WannaCrypt0r.v1.exe 42 PID 2080 wrote to memory of 1200 2080 Ransomware.WannaCrypt0r.v1.exe 43 PID 2080 wrote to memory of 1200 2080 Ransomware.WannaCrypt0r.v1.exe 43 PID 2080 wrote to memory of 1200 2080 Ransomware.WannaCrypt0r.v1.exe 43 PID 2080 wrote to memory of 1200 2080 Ransomware.WannaCrypt0r.v1.exe 43 PID 1200 wrote to memory of 2276 1200 cmd.exe 45 PID 1200 wrote to memory of 2276 1200 cmd.exe 45 PID 1200 wrote to memory of 2276 1200 cmd.exe 45 PID 1200 wrote to memory of 2276 1200 cmd.exe 45 PID 2080 wrote to memory of 1744 2080 Ransomware.WannaCrypt0r.v1.exe 46 PID 2080 wrote to memory of 1744 2080 Ransomware.WannaCrypt0r.v1.exe 46 PID 2080 wrote to memory of 1744 2080 Ransomware.WannaCrypt0r.v1.exe 46 PID 2080 wrote to memory of 1744 2080 Ransomware.WannaCrypt0r.v1.exe 46 PID 2276 wrote to memory of 1720 2276 !WannaDecryptor!.exe 47 PID 2276 wrote to memory of 1720 2276 !WannaDecryptor!.exe 47 PID 2276 wrote to memory of 1720 2276 !WannaDecryptor!.exe 47 PID 2276 wrote to memory of 1720 2276 !WannaDecryptor!.exe 47 PID 1720 wrote to memory of 288 1720 cmd.exe 49 PID 1720 wrote to memory of 288 1720 cmd.exe 49 PID 1720 wrote to memory of 288 1720 cmd.exe 49 PID 1720 wrote to memory of 288 1720 cmd.exe 49 PID 1720 wrote to memory of 1764 1720 cmd.exe 51 PID 1720 wrote to memory of 1764 1720 cmd.exe 51 PID 1720 wrote to memory of 1764 1720 cmd.exe 51 PID 1720 wrote to memory of 1764 1720 cmd.exe 51 - 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:2080 -
C:\Windows\SysWOW64\cmd.execmd /c 303081715689502.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
PID:2896
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2724
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2304
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2040
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1852
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2256
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2128
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2276 -
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:1720 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:288
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1764
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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:1744
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2068
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
- Size 236KB
- SHA256 78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
- MD5 cf1416074cd7791ab80a18f9e7e219d9
- SHA1 276d2ec82c518d887a8a3608e51c56fa28716ded
- SHA512 0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
- SSDEEP 3072:KeJJ0eIVAnbWOECR+uJ/0EJzBelG4t1nXFnQamKNQHFZde5tHEGaa:bqrVOEgZJcYelG4tQamKN2ex
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
- Size 925B
- SHA256 e07cac58a5d47d3796e0e9cafbb32d3c726279eda073fbdce26694a619679cc0
- MD5 21d5c10fcddde2cbc8db9dcfaeb9baf2
- SHA1 1c8ed57b2a02e1d0dfa7073b4e0de14505a0e38b
- SHA512 f8bcb92630f27195dbf9c502e4caeda4c59488e4afcadd854b5c8d3bde2ac93da416912c7af3055793697a102e1b598f00b15ea03563ff20da0edfcd181c4525
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 12eb416217b98358d988695d53fe7ecd2225b70549c13f07cf59251c81c3419e
- MD5 bbeae56fe7908c6cbb1cd4cd0aa78a67
- SHA1 7f7c6d23efbc0faab9849fb502f11d7c3e01e177
- SHA512 44ba8514bc51318423d6d87248046ac9d32f4aa47a0e1f55810a74b38e0d3630f110ceb6e2e4712bc7a250d3cac0d2b1c6abba3990d76a75291d5ee9b168a030
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 3c4bdcf9b969d969f34b348c09eae97a4c8cb1abbe723f2b3e6c6707c1103e3b
- MD5 b3a07b5e76e57b3617f8a006a9694805
- SHA1 dd17fbb408525f8abf7f955c103a5c5c7e98653e
- SHA512 a3d6ab8c7f7c0c0b4c4eda26fec88cd9fae89b9c1289456e2c8dc6a07d394025e21dac5f37486a0dda00e3972e4f22e53eee3eb9c97150d27a179878c19d66ea
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 a5d6179f47525cae275ae708755238668c3b0edfd5bab566c0b0ebf8b3cd7555
- MD5 8da275090bbf000d5f4304448d4f803b
- SHA1 acb87781ffe5bb3a7ffd21e5f356a46dab83077e
- SHA512 e0cfe71f551a6f9c083f5fc84b514f826ebd545fc6044bdb39a1e64c9ac4692f6119733ea5464420e12314f5026c2d5d5a8942d70df18f0e3459bd19bf53c91c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\303081715689502.bat
- Size 336B
- SHA256 73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
- MD5 3540e056349c6972905dc9706cd49418
- SHA1 492c20442d34d45a6d6790c720349b11ec591cde
- SHA512 c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\c.vbs
- Size 219B
- SHA256 0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
- MD5 5f6d40ca3c34b470113ed04d06a88ff4
- SHA1 50629e7211ae43e32060686d6be17ebd492fd7aa
- SHA512 4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\c.wry
- Size 628B
- SHA256 f98673da1bcdcf51b07a177fcb75d9d262fa83733f8317c4808024b1fd85fb3e
- MD5 2570ac3ba20de288d0e6fa98f53039a9
- SHA1 dedf2cd19a4b19014bf8629e1d1c6a382c594e62
- SHA512 5de938d46ec6784a188bdd977be02b1309d3205eb1c09304e50feca006016861e131d64de35ac09df10ad5e7f066143e4eca8b48068b1a6d73f36246e0fed68c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\m.wry
- Size 42KB
- SHA256 402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
- MD5 980b08bac152aff3f9b0136b616affa5
- SHA1 2a9c9601ea038f790cc29379c79407356a3d25a3
- SHA512 100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
- SSDEEP 384:S9sLTK3SWTsPzy3EFejoJQBO21z4oCTeo75Y3kmA31dv61QyU:S9s3mjoJb21zZrS14I
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Documents\!Please Read Me!.txt
- Size 797B
- SHA256 227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
- MD5 afa18cf4aa2660392111763fb93a8c3d
- SHA1 c219a3654a5f41ce535a09f2a188a464c3f5baf5
- SHA512 4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
- MD5 SHA1 SHA512