Analysis
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max time kernel
144s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 13:33
Static task
static1
Behavioral task
behavioral1
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Ransomware.WannaCrypt0r.v1.exe
Resource
win10v2004-20240508-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\AppData\Local\Temp\!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 2 IoCs
Processes:
Ransomware.WannaCrypt0r.v1.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDF4A4.tmp Ransomware.WannaCrypt0r.v1.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDF48D.tmp Ransomware.WannaCrypt0r.v1.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3692 !WannaDecryptor!.exe 1248 !WannaDecryptor!.exe 2304 !WannaDecryptor!.exe 2452 !WannaDecryptor!.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 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 3220 taskkill.exe 3708 taskkill.exe 2432 taskkill.exe 4456 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3708 taskkill.exe Token: SeDebugPrivilege 4456 taskkill.exe Token: SeDebugPrivilege 3220 taskkill.exe Token: SeDebugPrivilege 2432 taskkill.exe Token: SeIncreaseQuotaPrivilege 3656 WMIC.exe Token: SeSecurityPrivilege 3656 WMIC.exe Token: SeTakeOwnershipPrivilege 3656 WMIC.exe Token: SeLoadDriverPrivilege 3656 WMIC.exe Token: SeSystemProfilePrivilege 3656 WMIC.exe Token: SeSystemtimePrivilege 3656 WMIC.exe Token: SeProfSingleProcessPrivilege 3656 WMIC.exe Token: SeIncBasePriorityPrivilege 3656 WMIC.exe Token: SeCreatePagefilePrivilege 3656 WMIC.exe Token: SeBackupPrivilege 3656 WMIC.exe Token: SeRestorePrivilege 3656 WMIC.exe Token: SeShutdownPrivilege 3656 WMIC.exe Token: SeDebugPrivilege 3656 WMIC.exe Token: SeSystemEnvironmentPrivilege 3656 WMIC.exe Token: SeRemoteShutdownPrivilege 3656 WMIC.exe Token: SeUndockPrivilege 3656 WMIC.exe Token: SeManageVolumePrivilege 3656 WMIC.exe Token: 33 3656 WMIC.exe Token: 34 3656 WMIC.exe Token: 35 3656 WMIC.exe Token: 36 3656 WMIC.exe Token: SeIncreaseQuotaPrivilege 3656 WMIC.exe Token: SeSecurityPrivilege 3656 WMIC.exe Token: SeTakeOwnershipPrivilege 3656 WMIC.exe Token: SeLoadDriverPrivilege 3656 WMIC.exe Token: SeSystemProfilePrivilege 3656 WMIC.exe Token: SeSystemtimePrivilege 3656 WMIC.exe Token: SeProfSingleProcessPrivilege 3656 WMIC.exe Token: SeIncBasePriorityPrivilege 3656 WMIC.exe Token: SeCreatePagefilePrivilege 3656 WMIC.exe Token: SeBackupPrivilege 3656 WMIC.exe Token: SeRestorePrivilege 3656 WMIC.exe Token: SeShutdownPrivilege 3656 WMIC.exe Token: SeDebugPrivilege 3656 WMIC.exe Token: SeSystemEnvironmentPrivilege 3656 WMIC.exe Token: SeRemoteShutdownPrivilege 3656 WMIC.exe Token: SeUndockPrivilege 3656 WMIC.exe Token: SeManageVolumePrivilege 3656 WMIC.exe Token: 33 3656 WMIC.exe Token: 34 3656 WMIC.exe Token: 35 3656 WMIC.exe Token: 36 3656 WMIC.exe Token: SeBackupPrivilege 4392 vssvc.exe Token: SeRestorePrivilege 4392 vssvc.exe Token: SeAuditPrivilege 4392 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3692 !WannaDecryptor!.exe 3692 !WannaDecryptor!.exe 1248 !WannaDecryptor!.exe 1248 !WannaDecryptor!.exe 2304 !WannaDecryptor!.exe 2304 !WannaDecryptor!.exe 2452 !WannaDecryptor!.exe 2452 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
Ransomware.WannaCrypt0r.v1.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2740 wrote to memory of 2028 2740 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2740 wrote to memory of 2028 2740 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2740 wrote to memory of 2028 2740 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2028 wrote to memory of 2928 2028 cmd.exe cscript.exe PID 2028 wrote to memory of 2928 2028 cmd.exe cscript.exe PID 2028 wrote to memory of 2928 2028 cmd.exe cscript.exe PID 2740 wrote to memory of 3692 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 3692 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 3692 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 3220 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 3220 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 3220 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 3708 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 3708 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 3708 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 4456 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 4456 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 4456 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 2432 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 2432 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 2432 2740 Ransomware.WannaCrypt0r.v1.exe taskkill.exe PID 2740 wrote to memory of 1248 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 1248 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 1248 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 2036 2740 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2740 wrote to memory of 2036 2740 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2740 wrote to memory of 2036 2740 Ransomware.WannaCrypt0r.v1.exe cmd.exe PID 2036 wrote to memory of 2304 2036 cmd.exe !WannaDecryptor!.exe PID 2036 wrote to memory of 2304 2036 cmd.exe !WannaDecryptor!.exe PID 2036 wrote to memory of 2304 2036 cmd.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 2452 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 2452 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2740 wrote to memory of 2452 2740 Ransomware.WannaCrypt0r.v1.exe !WannaDecryptor!.exe PID 2304 wrote to memory of 4356 2304 !WannaDecryptor!.exe cmd.exe PID 2304 wrote to memory of 4356 2304 !WannaDecryptor!.exe cmd.exe PID 2304 wrote to memory of 4356 2304 !WannaDecryptor!.exe cmd.exe PID 4356 wrote to memory of 3656 4356 cmd.exe WMIC.exe PID 4356 wrote to memory of 3656 4356 cmd.exe WMIC.exe PID 4356 wrote to memory of 3656 4356 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
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 195101716212027.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2928
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3692 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3220 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3708 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4456 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2432 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1248 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304 -
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:4356 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3656 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2452
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4612,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4440 /prefetch:81⤵PID:3224
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD53357134959ef9dfd0f9c9ff2881be928
SHA1b68a8f2b41712eed0da67ffaf18c2e2b12c0af14
SHA256a74f12ee79c4cc284ecf5003470e1bb22921f1debd972531c23ec1131d3995a0
SHA512ec39d95bd9fdac7b4745f2e722c8e49eaddd117e3b1ebf9f4025af6bef85896b39dac8777815c50181d60c5409c9de9b4ab5bc79b3e29fd412c73861d7da3e5f
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Filesize
136B
MD5806f22e364cf36a6fd4edd7cfa98a185
SHA19d6056e12264eea2e0ee84b08a3938e6224210c1
SHA2561f757f557bcf2c772e7288e0212b9baef11deaa4d81003a63a48d6cf167da9a3
SHA5120bb3bedc176b8ed0bdf354a1e23f7ca845d2b1be34c87a725b7aadefaa2b64cdaff6b7a908d9f0c3802a471701684df74953925d9d97a251a1e69689ffd37f3f
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Filesize
136B
MD58c26b5d07448e4e9ab85904e388feffe
SHA1ca3be861a057fbd764224103766e236c3109354c
SHA256b57bcd37d09b0ef69797237462aad57230a23c40c8b2ef35b8ad2dfe4e7ad86b
SHA5125d6e11af37e6064d05d5c73681c7f66e9248a38287c6611a2729b1da15b81ff00df0070f6a486b712d13667bed84038ddd5658b95f265c3f0891dd695dba0656
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Filesize
136B
MD582263c02c6ab2c579660ba4dce9c335a
SHA13eeb25000ad3b948f424e3341ed27bf12ec51607
SHA2567038dec8669ef109ce920d0caa244a20672efea54f70e5d4629c8745da89e9c2
SHA5123b164fe0a410904771b0c068efb60d4fd68ca6bc929a8d80e3b294638841e98b26cdae5f6156c8825314ed9089e2c02cc683120e711f86b118fcc530a3c9606b
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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
MD5941f8104d1b4fb61b6916c831eb13634
SHA1a469fdb610d9407716ca8c57ede410ff6e0f346e
SHA25699ff58fe067021cf29ad1ae23ed13d36bd68d0b7c214fa8904e592b0ccccaf31
SHA512f61af008d225e96f8007533897b4a4968aa04f2abe28b58db7b4653d5b9d2850eefcac34de31d5d9ddb30a2195a6767b29799b2e01bf4324d6d4d42fad078240
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5