Analysis
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max time kernel
42s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
04-05-2024 00:34
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10v2004-20240419-en
General
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Target
WannaCry.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:
WannaCry.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD1665.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2720 !WannaDecryptor!.exe 1840 !WannaDecryptor!.exe 2908 !WannaDecryptor!.exe 2040 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
Processes:
cscript.exeWannaCry.execmd.exepid process 2512 cscript.exe 1684 WannaCry.exe 1684 WannaCry.exe 1684 WannaCry.exe 1684 WannaCry.exe 1744 cmd.exe 1744 cmd.exe 1684 WannaCry.exe 1684 WannaCry.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:
WannaCry.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WannaCry.exe\" /r" WannaCry.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 2892 vssadmin.exe -
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 1156 taskkill.exe 1012 taskkill.exe 2296 taskkill.exe 2392 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exevssvc.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1156 taskkill.exe Token: SeDebugPrivilege 2296 taskkill.exe Token: SeDebugPrivilege 2392 taskkill.exe Token: SeDebugPrivilege 1012 taskkill.exe Token: SeBackupPrivilege 1132 vssvc.exe Token: SeRestorePrivilege 1132 vssvc.exe Token: SeAuditPrivilege 1132 vssvc.exe Token: SeIncreaseQuotaPrivilege 2388 WMIC.exe Token: SeSecurityPrivilege 2388 WMIC.exe Token: SeTakeOwnershipPrivilege 2388 WMIC.exe Token: SeLoadDriverPrivilege 2388 WMIC.exe Token: SeSystemProfilePrivilege 2388 WMIC.exe Token: SeSystemtimePrivilege 2388 WMIC.exe Token: SeProfSingleProcessPrivilege 2388 WMIC.exe Token: SeIncBasePriorityPrivilege 2388 WMIC.exe Token: SeCreatePagefilePrivilege 2388 WMIC.exe Token: SeBackupPrivilege 2388 WMIC.exe Token: SeRestorePrivilege 2388 WMIC.exe Token: SeShutdownPrivilege 2388 WMIC.exe Token: SeDebugPrivilege 2388 WMIC.exe Token: SeSystemEnvironmentPrivilege 2388 WMIC.exe Token: SeRemoteShutdownPrivilege 2388 WMIC.exe Token: SeUndockPrivilege 2388 WMIC.exe Token: SeManageVolumePrivilege 2388 WMIC.exe Token: 33 2388 WMIC.exe Token: 34 2388 WMIC.exe Token: 35 2388 WMIC.exe Token: SeIncreaseQuotaPrivilege 2388 WMIC.exe Token: SeSecurityPrivilege 2388 WMIC.exe Token: SeTakeOwnershipPrivilege 2388 WMIC.exe Token: SeLoadDriverPrivilege 2388 WMIC.exe Token: SeSystemProfilePrivilege 2388 WMIC.exe Token: SeSystemtimePrivilege 2388 WMIC.exe Token: SeProfSingleProcessPrivilege 2388 WMIC.exe Token: SeIncBasePriorityPrivilege 2388 WMIC.exe Token: SeCreatePagefilePrivilege 2388 WMIC.exe Token: SeBackupPrivilege 2388 WMIC.exe Token: SeRestorePrivilege 2388 WMIC.exe Token: SeShutdownPrivilege 2388 WMIC.exe Token: SeDebugPrivilege 2388 WMIC.exe Token: SeSystemEnvironmentPrivilege 2388 WMIC.exe Token: SeRemoteShutdownPrivilege 2388 WMIC.exe Token: SeUndockPrivilege 2388 WMIC.exe Token: SeManageVolumePrivilege 2388 WMIC.exe Token: 33 2388 WMIC.exe Token: 34 2388 WMIC.exe Token: 35 2388 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2720 !WannaDecryptor!.exe 2720 !WannaDecryptor!.exe 1840 !WannaDecryptor!.exe 1840 !WannaDecryptor!.exe 2908 !WannaDecryptor!.exe 2908 !WannaDecryptor!.exe 2040 !WannaDecryptor!.exe 2040 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
Processes:
WannaCry.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1684 wrote to memory of 1228 1684 WannaCry.exe cmd.exe PID 1684 wrote to memory of 1228 1684 WannaCry.exe cmd.exe PID 1684 wrote to memory of 1228 1684 WannaCry.exe cmd.exe PID 1684 wrote to memory of 1228 1684 WannaCry.exe cmd.exe PID 1228 wrote to memory of 2512 1228 cmd.exe cscript.exe PID 1228 wrote to memory of 2512 1228 cmd.exe cscript.exe PID 1228 wrote to memory of 2512 1228 cmd.exe cscript.exe PID 1228 wrote to memory of 2512 1228 cmd.exe cscript.exe PID 1684 wrote to memory of 2720 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2720 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2720 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2720 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2296 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 2296 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 2296 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 2296 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 2392 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 2392 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 2392 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 2392 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1156 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1156 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1156 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1156 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1012 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1012 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1012 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1012 1684 WannaCry.exe taskkill.exe PID 1684 wrote to memory of 1840 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1840 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1840 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1840 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1744 1684 WannaCry.exe cmd.exe PID 1684 wrote to memory of 1744 1684 WannaCry.exe cmd.exe PID 1684 wrote to memory of 1744 1684 WannaCry.exe cmd.exe PID 1684 wrote to memory of 1744 1684 WannaCry.exe cmd.exe PID 1744 wrote to memory of 2908 1744 cmd.exe !WannaDecryptor!.exe PID 1744 wrote to memory of 2908 1744 cmd.exe !WannaDecryptor!.exe PID 1744 wrote to memory of 2908 1744 cmd.exe !WannaDecryptor!.exe PID 1744 wrote to memory of 2908 1744 cmd.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2040 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2040 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2040 1684 WannaCry.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2040 1684 WannaCry.exe !WannaDecryptor!.exe PID 2908 wrote to memory of 1352 2908 !WannaDecryptor!.exe cmd.exe PID 2908 wrote to memory of 1352 2908 !WannaDecryptor!.exe cmd.exe PID 2908 wrote to memory of 1352 2908 !WannaDecryptor!.exe cmd.exe PID 2908 wrote to memory of 1352 2908 !WannaDecryptor!.exe cmd.exe PID 1352 wrote to memory of 2892 1352 cmd.exe vssadmin.exe PID 1352 wrote to memory of 2892 1352 cmd.exe vssadmin.exe PID 1352 wrote to memory of 2892 1352 cmd.exe vssadmin.exe PID 1352 wrote to memory of 2892 1352 cmd.exe vssadmin.exe PID 1352 wrote to memory of 2388 1352 cmd.exe WMIC.exe PID 1352 wrote to memory of 2388 1352 cmd.exe WMIC.exe PID 1352 wrote to memory of 2388 1352 cmd.exe WMIC.exe PID 1352 wrote to memory of 2388 1352 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\WannaCry.exe"C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\cmd.execmd /c 219521714782863.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
PID:2512 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2720 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2296 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2392 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1156 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1012 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1840 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2908 -
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:1352 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:2892 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2388 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2040
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1132
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exeFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
925B
MD543fb1e114fbaca69bb45c1731fc6768a
SHA13fa5d9083c3cdd7d00d81ffb9212e24c9d784d19
SHA2565453b2ce8a82a264b067e7f8d628ee306a9aa8924b2f60bd960138cdae0211cf
SHA512d2a8aa72953f471cb690c8939317ff34430e81cb604ce88cb149f6aa7beb7dc85a5ea88aae2fee3fcd30f233aa13e1b11dc51c8e32765e2d7727ee2a7b905e4a
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD535c592efaf136383cd65fddc01cd4c4a
SHA1bae33215ebf67ee464ad39702eeaa714d86df744
SHA256ff29ce5a2d88e506f91d1a30fdacd3966c837dc8fb45dda57b42f641f26a2561
SHA5128b3082f39a2a4f38921ffb40ba4f510d78a2c135ed2760d5e88addbd9d5bfa6acef4da9015e8c9519e0eaa20bd88f932b97de453a4c38f2b45a0690af06def33
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5bde8fdc73f8ccbaeb8d71eef504b5a84
SHA1f804e0790248517490653ce7845c0e9059dee3b0
SHA256b35681c6663c1e7663bf2ae81e64ea381227833258d77837eb707f310389e85a
SHA5121bc0f8f81ecb1846c96dc42c2b96ddee6a2d92882c729ade97c8fb096a1abab16211d7e3da47f86b3844a63701dfd3691c8bece687ced0f775dc6e9796224832
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD59cdb119f52ef861e605501fb7d136a46
SHA1f6b969462a8a75e79e29110042d9e6d3077e78a2
SHA2565df2d6bdf037e8c2ff7e57dcdefdaaff659b361b143ea1a14e2199855c792fc7
SHA512275cc2d6d29e4227ebcacb0c52b040c9875a0030c5ccf2ae4efb132678b732b87f1005a9435faef0e659dc7235c744ac2b890dfe3901195743130f122a92596f
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C:\Users\Admin\AppData\Local\Temp\219521714782863.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD5be52dbd9204340f390d5c29ec421efe9
SHA1425dddccbf67d5e2bbb07374f58933340cead6ed
SHA25679642d288acf40841f746e43a98fcba6ed9743d61d89f4f99d405974275ac843
SHA512b6bacd9cbbeff11d765b233e4525f241b157c59974afc894cfa10473e1979c1972eb6992f2ea078d4f4a7854a6730909b0249bc30dae416c3e8991f4d17723b1
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C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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C:\Users\Admin\Documents\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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memory/1684-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB