Analysis
- max time kernel
146s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
13/05/2024, 19:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-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
- Sample240513-xtkxfsba55
- 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
-
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\~SD4C88.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4C9E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 2700 !WannaDecryptor!.exe 820 !WannaDecryptor!.exe 1544 !WannaDecryptor!.exe 3516 !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-1-5-21-4018855536-2201274732-320770143-1000\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 2816 taskkill.exe 4548 taskkill.exe 4724 taskkill.exe 4456 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4724 taskkill.exe Token: SeDebugPrivilege 2816 taskkill.exe Token: SeDebugPrivilege 4456 taskkill.exe Token: SeDebugPrivilege 4548 taskkill.exe Token: SeIncreaseQuotaPrivilege 4328 WMIC.exe Token: SeSecurityPrivilege 4328 WMIC.exe Token: SeTakeOwnershipPrivilege 4328 WMIC.exe Token: SeLoadDriverPrivilege 4328 WMIC.exe Token: SeSystemProfilePrivilege 4328 WMIC.exe Token: SeSystemtimePrivilege 4328 WMIC.exe Token: SeProfSingleProcessPrivilege 4328 WMIC.exe Token: SeIncBasePriorityPrivilege 4328 WMIC.exe Token: SeCreatePagefilePrivilege 4328 WMIC.exe Token: SeBackupPrivilege 4328 WMIC.exe Token: SeRestorePrivilege 4328 WMIC.exe Token: SeShutdownPrivilege 4328 WMIC.exe Token: SeDebugPrivilege 4328 WMIC.exe Token: SeSystemEnvironmentPrivilege 4328 WMIC.exe Token: SeRemoteShutdownPrivilege 4328 WMIC.exe Token: SeUndockPrivilege 4328 WMIC.exe Token: SeManageVolumePrivilege 4328 WMIC.exe Token: 33 4328 WMIC.exe Token: 34 4328 WMIC.exe Token: 35 4328 WMIC.exe Token: 36 4328 WMIC.exe Token: SeIncreaseQuotaPrivilege 4328 WMIC.exe Token: SeSecurityPrivilege 4328 WMIC.exe Token: SeTakeOwnershipPrivilege 4328 WMIC.exe Token: SeLoadDriverPrivilege 4328 WMIC.exe Token: SeSystemProfilePrivilege 4328 WMIC.exe Token: SeSystemtimePrivilege 4328 WMIC.exe Token: SeProfSingleProcessPrivilege 4328 WMIC.exe Token: SeIncBasePriorityPrivilege 4328 WMIC.exe Token: SeCreatePagefilePrivilege 4328 WMIC.exe Token: SeBackupPrivilege 4328 WMIC.exe Token: SeRestorePrivilege 4328 WMIC.exe Token: SeShutdownPrivilege 4328 WMIC.exe Token: SeDebugPrivilege 4328 WMIC.exe Token: SeSystemEnvironmentPrivilege 4328 WMIC.exe Token: SeRemoteShutdownPrivilege 4328 WMIC.exe Token: SeUndockPrivilege 4328 WMIC.exe Token: SeManageVolumePrivilege 4328 WMIC.exe Token: 33 4328 WMIC.exe Token: 34 4328 WMIC.exe Token: 35 4328 WMIC.exe Token: 36 4328 WMIC.exe Token: SeBackupPrivilege 4840 vssvc.exe Token: SeRestorePrivilege 4840 vssvc.exe Token: SeAuditPrivilege 4840 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2700 !WannaDecryptor!.exe 2700 !WannaDecryptor!.exe 820 !WannaDecryptor!.exe 820 !WannaDecryptor!.exe 1544 !WannaDecryptor!.exe 1544 !WannaDecryptor!.exe 3516 !WannaDecryptor!.exe 3516 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 924 wrote to memory of 3848 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 924 wrote to memory of 3848 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 924 wrote to memory of 3848 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 3848 wrote to memory of 3120 3848 cmd.exe 84 PID 3848 wrote to memory of 3120 3848 cmd.exe 84 PID 3848 wrote to memory of 3120 3848 cmd.exe 84 PID 924 wrote to memory of 2700 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 924 wrote to memory of 2700 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 924 wrote to memory of 2700 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 924 wrote to memory of 2816 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 924 wrote to memory of 2816 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 924 wrote to memory of 2816 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 924 wrote to memory of 4456 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 924 wrote to memory of 4456 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 924 wrote to memory of 4456 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 924 wrote to memory of 4724 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 924 wrote to memory of 4724 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 924 wrote to memory of 4724 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 924 wrote to memory of 4548 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 924 wrote to memory of 4548 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 924 wrote to memory of 4548 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 924 wrote to memory of 820 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 924 wrote to memory of 820 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 924 wrote to memory of 820 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 924 wrote to memory of 5036 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 924 wrote to memory of 5036 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 924 wrote to memory of 5036 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 5036 wrote to memory of 1544 5036 cmd.exe 110 PID 5036 wrote to memory of 1544 5036 cmd.exe 110 PID 5036 wrote to memory of 1544 5036 cmd.exe 110 PID 924 wrote to memory of 3516 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 111 PID 924 wrote to memory of 3516 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 111 PID 924 wrote to memory of 3516 924 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 111 PID 1544 wrote to memory of 3312 1544 !WannaDecryptor!.exe 115 PID 1544 wrote to memory of 3312 1544 !WannaDecryptor!.exe 115 PID 1544 wrote to memory of 3312 1544 !WannaDecryptor!.exe 115 PID 3312 wrote to memory of 4328 3312 cmd.exe 117 PID 3312 wrote to memory of 4328 3312 cmd.exe 117 PID 3312 wrote to memory of 4328 3312 cmd.exe 117 - 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:924 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 94991715627326.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3120
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2700
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2816
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4456
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4724
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4548
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:820
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1544 -
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:3312 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4328
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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:3516
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4840
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 99f31e4e6293c565ba740be183f4a7fc386941b54da7ab016432cef4ff76ac5f
- MD5 02a9bfb06a9f474b0da065a4fdf26d06
- SHA1 666ad3d88bab931a074162118687abe41f124d6c
- SHA512 6f30b6b1f1f25b0812cff86b372fabb635aed0dcd252941eb2288bbef59c7bb252397e240dda586fea47de109d65220f83fb526bc6c38176ed1132a75c4f97f9
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 a617385e112053b55c4e1cf48b5c5fa19b11a86c1e6d97cb188d9b80ea361cfc
- MD5 130a46508b0c5e3b3c025f442749d9d0
- SHA1 790082b88ee9b3fd1cd9d9b208598917fe17732b
- SHA512 76af9bab0392e2cb9f91fc24508febdd68ab2092d83ee96ebd135905e2c75f02877cb6c4b73e8a05bb4e950a2191bb2481e93f4a65cf312b07ccc64ef0243bc2
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 6735400d3ed9ccc4585ea24b8cb9bd98fe98a9f9c196516ed295c459848b3cee
- MD5 eb23c4fed1cb0f4e34a8b7db45589672
- SHA1 19d7166c6cc5de980d8c6a7597d8b83ddde08b9d
- SHA512 fa832ab4af0bbb6779959cc7d60ee7d9e36b280bf754a22e87b71b569bf150baa961d347b2956c3065d1d1fbc37e14ae2edfda16c29d9ff611fd458b3f448278
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 b23d6390de32157aaf3e64464457d0b43c404bd629ef121899382a5c1f6275a4
- MD5 a828f276eda528336e355afe7a7e3ddd
- SHA1 5437a22a3d664bd59811a397043b7cff2036b499
- SHA512 1ef7ea2656215eb04a2a88b1f1956041e6230afde6a31571dbba53a62ba558c968cfd8c0d2d1998057fb6ebbaaa78a2491d1b8ec97a38b1168de2f7a064a747b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\94991715627326.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 e4192935edc3689f29c5c65f355d198d865f96aae87609f3772fa0238ca379ae
- MD5 c6216b2592302a55338059c79f82cf2a
- SHA1 01751672f82874bbb01cbbb7130dd522e37f2de6
- SHA512 344e8109b14c26c0a576ee2c8e8295b3482b1d0a7f2ef2e9565efa113b1f9ead2e9f11585551f32f54372374da187ca8f8a92c4d2d5645bca9c2abeac59c3a9a
- 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