Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2024, 03:07
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
win10v2004-20240508-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240511-dmm9fscf67
- 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\Word\STARTUP\~SD604B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6035.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 4844 !WannaDecryptor!.exe 3500 !WannaDecryptor!.exe 1528 !WannaDecryptor!.exe 4816 !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-1-5-21-1337824034-2731376981-3755436523-1000\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 4684 taskkill.exe 3792 taskkill.exe 636 taskkill.exe 1728 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4684 taskkill.exe Token: SeDebugPrivilege 3792 taskkill.exe Token: SeDebugPrivilege 1728 taskkill.exe Token: SeDebugPrivilege 636 taskkill.exe Token: SeIncreaseQuotaPrivilege 4796 WMIC.exe Token: SeSecurityPrivilege 4796 WMIC.exe Token: SeTakeOwnershipPrivilege 4796 WMIC.exe Token: SeLoadDriverPrivilege 4796 WMIC.exe Token: SeSystemProfilePrivilege 4796 WMIC.exe Token: SeSystemtimePrivilege 4796 WMIC.exe Token: SeProfSingleProcessPrivilege 4796 WMIC.exe Token: SeIncBasePriorityPrivilege 4796 WMIC.exe Token: SeCreatePagefilePrivilege 4796 WMIC.exe Token: SeBackupPrivilege 4796 WMIC.exe Token: SeRestorePrivilege 4796 WMIC.exe Token: SeShutdownPrivilege 4796 WMIC.exe Token: SeDebugPrivilege 4796 WMIC.exe Token: SeSystemEnvironmentPrivilege 4796 WMIC.exe Token: SeRemoteShutdownPrivilege 4796 WMIC.exe Token: SeUndockPrivilege 4796 WMIC.exe Token: SeManageVolumePrivilege 4796 WMIC.exe Token: 33 4796 WMIC.exe Token: 34 4796 WMIC.exe Token: 35 4796 WMIC.exe Token: 36 4796 WMIC.exe Token: SeIncreaseQuotaPrivilege 4796 WMIC.exe Token: SeSecurityPrivilege 4796 WMIC.exe Token: SeTakeOwnershipPrivilege 4796 WMIC.exe Token: SeLoadDriverPrivilege 4796 WMIC.exe Token: SeSystemProfilePrivilege 4796 WMIC.exe Token: SeSystemtimePrivilege 4796 WMIC.exe Token: SeProfSingleProcessPrivilege 4796 WMIC.exe Token: SeIncBasePriorityPrivilege 4796 WMIC.exe Token: SeCreatePagefilePrivilege 4796 WMIC.exe Token: SeBackupPrivilege 4796 WMIC.exe Token: SeRestorePrivilege 4796 WMIC.exe Token: SeShutdownPrivilege 4796 WMIC.exe Token: SeDebugPrivilege 4796 WMIC.exe Token: SeSystemEnvironmentPrivilege 4796 WMIC.exe Token: SeRemoteShutdownPrivilege 4796 WMIC.exe Token: SeUndockPrivilege 4796 WMIC.exe Token: SeManageVolumePrivilege 4796 WMIC.exe Token: 33 4796 WMIC.exe Token: 34 4796 WMIC.exe Token: 35 4796 WMIC.exe Token: 36 4796 WMIC.exe Token: SeBackupPrivilege 1512 vssvc.exe Token: SeRestorePrivilege 1512 vssvc.exe Token: SeAuditPrivilege 1512 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4844 !WannaDecryptor!.exe 4844 !WannaDecryptor!.exe 3500 !WannaDecryptor!.exe 3500 !WannaDecryptor!.exe 1528 !WannaDecryptor!.exe 1528 !WannaDecryptor!.exe 4816 !WannaDecryptor!.exe 4816 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4160 wrote to memory of 848 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4160 wrote to memory of 848 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4160 wrote to memory of 848 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 848 wrote to memory of 4436 848 cmd.exe 85 PID 848 wrote to memory of 4436 848 cmd.exe 85 PID 848 wrote to memory of 4436 848 cmd.exe 85 PID 4160 wrote to memory of 4844 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4160 wrote to memory of 4844 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4160 wrote to memory of 4844 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4160 wrote to memory of 4684 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4160 wrote to memory of 4684 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4160 wrote to memory of 4684 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4160 wrote to memory of 1728 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4160 wrote to memory of 1728 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4160 wrote to memory of 1728 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4160 wrote to memory of 636 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4160 wrote to memory of 636 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4160 wrote to memory of 636 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4160 wrote to memory of 3792 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 4160 wrote to memory of 3792 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 4160 wrote to memory of 3792 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 4160 wrote to memory of 3500 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4160 wrote to memory of 3500 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4160 wrote to memory of 3500 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4160 wrote to memory of 4180 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4160 wrote to memory of 4180 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4160 wrote to memory of 4180 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4180 wrote to memory of 1528 4180 cmd.exe 105 PID 4180 wrote to memory of 1528 4180 cmd.exe 105 PID 4180 wrote to memory of 1528 4180 cmd.exe 105 PID 4160 wrote to memory of 4816 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4160 wrote to memory of 4816 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4160 wrote to memory of 4816 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 1528 wrote to memory of 3548 1528 !WannaDecryptor!.exe 108 PID 1528 wrote to memory of 3548 1528 !WannaDecryptor!.exe 108 PID 1528 wrote to memory of 3548 1528 !WannaDecryptor!.exe 108 PID 3548 wrote to memory of 4796 3548 cmd.exe 110 PID 3548 wrote to memory of 4796 3548 cmd.exe 110 PID 3548 wrote to memory of 4796 3548 cmd.exe 110 - 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:4160 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 259281715396865.bat2⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4436
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4844
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4684
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1728
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:636
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3792
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3500
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1528 -
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:3548 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4796
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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:4816
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1512
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 29ab433f88983721eef42fdb5010174310efcc1d90f68c9542579237624f0936
- MD5 be0c4d9a81b3731c00a721f6ce3a48f7
- SHA1 74bb8caa14aa0985b3b018a9ab8e9fa856992522
- SHA512 9c7bc62cdf97964848b61b9c3041fc5cbcbb86afe9898810c2dcf159227110910208c93bf8cb6a8ac1d56f673607c5f922805db056e48f0facab6602a3e58290
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 fa38a11bec55c01bf0624b5095668f19fa7e9e4178d9b9ba23d710b2a6cab87a
- MD5 8e13e6b198632f625c108151df5f1e26
- SHA1 f32015c0edbb3954a2a28fd5af9e4f896480a415
- SHA512 cab5a7594a7d88580a0d51fcec09a9eee2ae2dc2b1bbc0a2d795b8786f61fd1381e943d68a926e673597756272ab3bfec6776297f15cb1cd907359ec36f551ed
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 5fbc8b7e7947a30103425e49fa897416720339ed7313b0e626bc4caf775945a3
- MD5 31af2eadac2ef511ea3aefd9e323164a
- SHA1 ad0d8b094224c53ace426540ab6122544c56bd9e
- SHA512 a3fbd4884d1679afc15ad7d80fdaed1e3bff80892e86e38f7c352adc200f10c09618305f72d54f922a2b07e814cc04c86c9ee81df41bfe7d42b3e354ea43edda
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 fe885d59bef4ae11c01fa9c2dc4f8303d99943d8b178dfd04e4748ef570c8a26
- MD5 d73385ee5e16e9e44b770d59296fab4a
- SHA1 a93e1383cb28e71337e4ef6c4629730981232773
- SHA512 7265f85e5252a0d861fff453c7bfe1202e4636a0e76e716ecb9005a89c7554d26c9e6e62ebd0b77bae2f109b2d04e7c571ed7076cfc4797287571a82d4b954d5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\259281715396865.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 8c7f8a04e948be025144f5bfa433f0ae358b49adafe1fa317407e319d44f2625
- MD5 5a1e9cc41e0efa5db8a2b0da13044772
- SHA1 5b09b703813ed06fbab3a8e7dc62acfd3323e048
- SHA512 0bb6b04ad7c5b8c527793ba9152bb2023a994ede2fc5e983dda6048da357f2f1963f21060049d1a4942da9c406513e68fd1897edfa1bb6e6bf0c2ddf08fd87a8
- 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