Analysis
- max time kernel
149s - max time network
99s - 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
win7-20240220-en
windows7-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240511-dmnvzscf69
- 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\~SD5F70.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5F86.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 1916 !WannaDecryptor!.exe 4060 !WannaDecryptor!.exe 3792 !WannaDecryptor!.exe 4760 !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-1-5-21-4124900551-4068476067-3491212533-1000\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 2612 taskkill.exe 3800 taskkill.exe 2284 taskkill.exe 3696 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2612 taskkill.exe Token: SeDebugPrivilege 2284 taskkill.exe Token: SeDebugPrivilege 3800 taskkill.exe Token: SeDebugPrivilege 3696 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 2500 vssvc.exe Token: SeRestorePrivilege 2500 vssvc.exe Token: SeAuditPrivilege 2500 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1916 !WannaDecryptor!.exe 1916 !WannaDecryptor!.exe 4060 !WannaDecryptor!.exe 4060 !WannaDecryptor!.exe 3792 !WannaDecryptor!.exe 3792 !WannaDecryptor!.exe 4760 !WannaDecryptor!.exe 4760 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4504 wrote to memory of 3208 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4504 wrote to memory of 3208 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4504 wrote to memory of 3208 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 3208 wrote to memory of 4596 3208 cmd.exe 84 PID 3208 wrote to memory of 4596 3208 cmd.exe 84 PID 3208 wrote to memory of 4596 3208 cmd.exe 84 PID 4504 wrote to memory of 1916 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4504 wrote to memory of 1916 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4504 wrote to memory of 1916 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4504 wrote to memory of 2284 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4504 wrote to memory of 2284 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4504 wrote to memory of 2284 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4504 wrote to memory of 3696 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4504 wrote to memory of 3696 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4504 wrote to memory of 3696 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4504 wrote to memory of 2612 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4504 wrote to memory of 2612 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4504 wrote to memory of 2612 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4504 wrote to memory of 3800 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4504 wrote to memory of 3800 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4504 wrote to memory of 3800 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4504 wrote to memory of 4060 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4504 wrote to memory of 4060 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4504 wrote to memory of 4060 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4504 wrote to memory of 2336 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 4504 wrote to memory of 2336 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 4504 wrote to memory of 2336 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 2336 wrote to memory of 3792 2336 cmd.exe 106 PID 2336 wrote to memory of 3792 2336 cmd.exe 106 PID 2336 wrote to memory of 3792 2336 cmd.exe 106 PID 4504 wrote to memory of 4760 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4504 wrote to memory of 4760 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4504 wrote to memory of 4760 4504 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3792 wrote to memory of 4928 3792 !WannaDecryptor!.exe 109 PID 3792 wrote to memory of 4928 3792 !WannaDecryptor!.exe 109 PID 3792 wrote to memory of 4928 3792 !WannaDecryptor!.exe 109 PID 4928 wrote to memory of 4796 4928 cmd.exe 111 PID 4928 wrote to memory of 4796 4928 cmd.exe 111 PID 4928 wrote to memory of 4796 4928 cmd.exe 111 - 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:4504 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 234791715396880.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3208 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4596
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-
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1916
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2284
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3696
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2612
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3800
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4060
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3792 -
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:4928 -
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:4760
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2500
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 b6832d84ad782f9e1121dcdfa2991eb7377da2c7bf40b14041c099283ac75b13
- MD5 c36a97768fb0e407ca36ab13ae421ba6
- SHA1 e6fe8f823fd084aee4101906c80b547671f1bb0d
- SHA512 a410f3bc457c0ba22344fd7f013e266865ebe8883756a8d6f80c58afb17946050f767ef967a6206f7338795880b299f0e36cfc8e6b8f3c909401f524a5044d4c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 4229a1466f92dffc859b2aa7fa106483785b532d1ebc5bddf13b3389ce3d1ad6
- MD5 0ac4d20499fbffdd7e5f8b2767ef33c5
- SHA1 dc7eeb1c06b8edcb567d6aa6342fb88dd3885763
- SHA512 97b4bef101b5c3cc7a591f52ebdb5e177dcfacc0fe60c99655241b52506180573daf6bc31568ad287a87a489ee8cad54789ba1af458d1ba1581ab5cc4626c437
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 2dc2fa88caf6c7081fbf809c23a0e98388bcb83108ebecfa9366e8066bc8758b
- MD5 f4b9bf530c0ae2d0b073eace6a0eefea
- SHA1 d6134fff1da3a155eeb3411e834bc585fcbc0571
- SHA512 40337cd24be7a2414d904e37cb3eb461eaa3affc8f6022b1bc8f8fd857eadb7657104f7168d69607b5df783821501c26159f78cf162e539f7086e75e540af92f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 2f79d063212a6e7e39e11b060141babf2bf3c838efd615495c50fd9e216db388
- MD5 46711fe9702221dfa71e7199f447a371
- SHA1 f6a8cb08ee3e9bd9669732d12098b37feea356f4
- SHA512 1c99841d8abf9bc8c5ef45d8ef9c7a5ba11b72542ee5e5a5b65c7c856434921d41e06ff6ced3806230b1138dc161c1960d5b2306486a89926fa2299fbeda7a5d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\234791715396880.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 29b3677cfbaad536921ed2fbd87218e95ed7eedcde31833bc463b1f6335c333c
- MD5 ce7be63329a96caca325f48cb95e2664
- SHA1 6de056bc1a6b3d43c1fdd7ca72918475f1f7ab49
- SHA512 f9a81b8e2dcff0b1decf0afebb26dbe68e79f005e97091c1f0602ccea60b8d3d1e4ecfefca31b14b28cfbdf7526e0a8af47bf17d0f3c7d16a058eaf74f798e36
- 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