Analysis
- max time kernel
146s - max time network
111s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2024, 03:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240511-dpqglach45
- SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
- MD5 5c7fb0927db37372da25f270708103a2
- SHA1 120ed9279d85cbfa56e5b7779ffa7162074f7a29
- SHA512 a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
- SSDEEP 3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\!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 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD4A08.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4A2E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 3036 !WannaDecryptor!.exe 2652 !WannaDecryptor!.exe 1808 !WannaDecryptor!.exe 4536 !WannaDecryptor!.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\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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).
- Kills process with taskkill 4 IoCs
pid Process 3052 taskkill.exe 4056 taskkill.exe 4232 taskkill.exe 3912 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4056 taskkill.exe Token: SeDebugPrivilege 3052 taskkill.exe Token: SeDebugPrivilege 3912 taskkill.exe Token: SeDebugPrivilege 4232 taskkill.exe Token: SeIncreaseQuotaPrivilege 4904 WMIC.exe Token: SeSecurityPrivilege 4904 WMIC.exe Token: SeTakeOwnershipPrivilege 4904 WMIC.exe Token: SeLoadDriverPrivilege 4904 WMIC.exe Token: SeSystemProfilePrivilege 4904 WMIC.exe Token: SeSystemtimePrivilege 4904 WMIC.exe Token: SeProfSingleProcessPrivilege 4904 WMIC.exe Token: SeIncBasePriorityPrivilege 4904 WMIC.exe Token: SeCreatePagefilePrivilege 4904 WMIC.exe Token: SeBackupPrivilege 4904 WMIC.exe Token: SeRestorePrivilege 4904 WMIC.exe Token: SeShutdownPrivilege 4904 WMIC.exe Token: SeDebugPrivilege 4904 WMIC.exe Token: SeSystemEnvironmentPrivilege 4904 WMIC.exe Token: SeRemoteShutdownPrivilege 4904 WMIC.exe Token: SeUndockPrivilege 4904 WMIC.exe Token: SeManageVolumePrivilege 4904 WMIC.exe Token: 33 4904 WMIC.exe Token: 34 4904 WMIC.exe Token: 35 4904 WMIC.exe Token: 36 4904 WMIC.exe Token: SeIncreaseQuotaPrivilege 4904 WMIC.exe Token: SeSecurityPrivilege 4904 WMIC.exe Token: SeTakeOwnershipPrivilege 4904 WMIC.exe Token: SeLoadDriverPrivilege 4904 WMIC.exe Token: SeSystemProfilePrivilege 4904 WMIC.exe Token: SeSystemtimePrivilege 4904 WMIC.exe Token: SeProfSingleProcessPrivilege 4904 WMIC.exe Token: SeIncBasePriorityPrivilege 4904 WMIC.exe Token: SeCreatePagefilePrivilege 4904 WMIC.exe Token: SeBackupPrivilege 4904 WMIC.exe Token: SeRestorePrivilege 4904 WMIC.exe Token: SeShutdownPrivilege 4904 WMIC.exe Token: SeDebugPrivilege 4904 WMIC.exe Token: SeSystemEnvironmentPrivilege 4904 WMIC.exe Token: SeRemoteShutdownPrivilege 4904 WMIC.exe Token: SeUndockPrivilege 4904 WMIC.exe Token: SeManageVolumePrivilege 4904 WMIC.exe Token: 33 4904 WMIC.exe Token: 34 4904 WMIC.exe Token: 35 4904 WMIC.exe Token: 36 4904 WMIC.exe Token: SeBackupPrivilege 2152 vssvc.exe Token: SeRestorePrivilege 2152 vssvc.exe Token: SeAuditPrivilege 2152 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3036 !WannaDecryptor!.exe 3036 !WannaDecryptor!.exe 2652 !WannaDecryptor!.exe 2652 !WannaDecryptor!.exe 1808 !WannaDecryptor!.exe 1808 !WannaDecryptor!.exe 4536 !WannaDecryptor!.exe 4536 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 736 wrote to memory of 1836 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 736 wrote to memory of 1836 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 736 wrote to memory of 1836 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1836 wrote to memory of 3252 1836 cmd.exe 84 PID 1836 wrote to memory of 3252 1836 cmd.exe 84 PID 1836 wrote to memory of 3252 1836 cmd.exe 84 PID 736 wrote to memory of 3036 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 736 wrote to memory of 3036 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 736 wrote to memory of 3036 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 736 wrote to memory of 3052 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 736 wrote to memory of 3052 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 736 wrote to memory of 3052 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 736 wrote to memory of 3912 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 736 wrote to memory of 3912 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 736 wrote to memory of 3912 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 736 wrote to memory of 4232 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 736 wrote to memory of 4232 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 736 wrote to memory of 4232 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 736 wrote to memory of 4056 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 736 wrote to memory of 4056 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 736 wrote to memory of 4056 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 736 wrote to memory of 2652 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 736 wrote to memory of 2652 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 736 wrote to memory of 2652 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 736 wrote to memory of 4792 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 736 wrote to memory of 4792 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 736 wrote to memory of 4792 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 736 wrote to memory of 1808 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 736 wrote to memory of 1808 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 736 wrote to memory of 1808 736 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 4792 wrote to memory of 4536 4792 cmd.exe 111 PID 4792 wrote to memory of 4536 4792 cmd.exe 111 PID 4792 wrote to memory of 4536 4792 cmd.exe 111 PID 4536 wrote to memory of 1756 4536 !WannaDecryptor!.exe 113 PID 4536 wrote to memory of 1756 4536 !WannaDecryptor!.exe 113 PID 4536 wrote to memory of 1756 4536 !WannaDecryptor!.exe 113 PID 1756 wrote to memory of 4904 1756 cmd.exe 115 PID 1756 wrote to memory of 4904 1756 cmd.exe 115 PID 1756 wrote to memory of 4904 1756 cmd.exe 115 - 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\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:736 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 58251715397089.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3252
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3036
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3052
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3912
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4232
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4056
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2652
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4536 -
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:1756 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4904
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1808
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
- Size 797B
- SHA256 227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
- MD5 afa18cf4aa2660392111763fb93a8c3d
- SHA1 c219a3654a5f41ce535a09f2a188a464c3f5baf5
- SHA512 4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
- Size 1KB
- SHA256 6e0b9e8b28d6bf01375394dda73e0570489b44a879def2f047f2e6ea24badfbc
- MD5 854a7fda010651ecbf38e6292eca58fe
- SHA1 a35b7c374b78c72ad2cbb761cf2e2a05e759e373
- SHA512 abb474c8adc26e1765e9c7376080521a1e026c7eb45f2e27b494c0785cf541cd8fd3930cbf9ee16dc0ec653294e3abf1ab78c35c597f15357367a97047c33fb0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 3a072894163c8f0e6f5ce4892351aa7a6a42782d65ff7a5e5e36db7169b5fdd3
- MD5 6137f46652bf654c4eaec34dbeb4e06b
- SHA1 aff1c6b51476a2837252d8f2e20f28f7431ee827
- SHA512 6682e4f5bd349907495154665526955db41e53cdd11829dfd1ed0f26071e7b84fedbdd52465860f6eecbb1989c1df308422988feda37cf355fea6d8110eca034
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 79c5e3b633e35446bd91718f952e23281d0898224e00baf975bbb81123b9f14e
- MD5 8887b6d726a5422049878f72924465b8
- SHA1 4fd5c0063fbd27d73039dd67042f53b3a29856db
- SHA512 082c1299bec6d66fbec5cbe2b3f864bb15f12a4f728ff5e340e347d156878d48ea97b11f245c56fc92976def9163b3fd2148079f8f0dca22b03ad85b702e57c7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 36cd5111c1f7ba6fb9dcf26b73e5f5e7727f1c35858332dae8058f284abea48d
- MD5 5c54ae6b2aec9b697d472079469ff03c
- SHA1 adc5181a58ecc909c4914459ea8da8269a0966f7
- SHA512 e451a745a91edd60fd2f8eb247a3e14a45f736e7c7935a642d1f958099dc98c5b2b086bf5bcd1c039104482cd637fe83987b60db87975cdecd6fb7fccc021550
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\58251715397089.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 dcb78e1f352077f26a8ba68f62e85a8b3287ad7cbd6f00af7695701da3a30866
- MD5 c2c16906f08f2f610f0c14235d41c35f
- SHA1 0f213aaab517dcc3716907c86ac7ee26e70059f7
- SHA512 98aaeb008388d0027a75c4dbf8e85eb7635bb2e4a61f4d6cba73be62588d0b67bc50284fef411bf315a0f5b364186d48a23b471ef5a10d7607f45c088dd80592
- 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\AppData\Local\Temp\u.wry
- Size 236KB
- SHA256 78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
- MD5 cf1416074cd7791ab80a18f9e7e219d9
- SHA1 276d2ec82c518d887a8a3608e51c56fa28716ded
- SHA512 0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
- SSDEEP 3072:KeJJ0eIVAnbWOECR+uJ/0EJzBelG4t1nXFnQamKNQHFZde5tHEGaa:bqrVOEgZJcYelG4tQamKN2ex
- MD5 SHA1 SHA512 SSDEEP