Analysis
- max time kernel
149s - max time network
117s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
15/05/2024, 18:54
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
- Sample240515-xj7cpsfa77
- 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\~SD66C4.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD66DA.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 3228 !WannaDecryptor!.exe 3644 !WannaDecryptor!.exe 936 !WannaDecryptor!.exe 4896 !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-1-5-21-3571316656-3665257725-2415531812-1000\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 868 taskkill.exe 4644 taskkill.exe 1868 taskkill.exe 3948 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 1868 taskkill.exe Token: SeDebugPrivilege 4644 taskkill.exe Token: SeDebugPrivilege 868 taskkill.exe Token: SeDebugPrivilege 3948 taskkill.exe Token: SeIncreaseQuotaPrivilege 4628 WMIC.exe Token: SeSecurityPrivilege 4628 WMIC.exe Token: SeTakeOwnershipPrivilege 4628 WMIC.exe Token: SeLoadDriverPrivilege 4628 WMIC.exe Token: SeSystemProfilePrivilege 4628 WMIC.exe Token: SeSystemtimePrivilege 4628 WMIC.exe Token: SeProfSingleProcessPrivilege 4628 WMIC.exe Token: SeIncBasePriorityPrivilege 4628 WMIC.exe Token: SeCreatePagefilePrivilege 4628 WMIC.exe Token: SeBackupPrivilege 4628 WMIC.exe Token: SeRestorePrivilege 4628 WMIC.exe Token: SeShutdownPrivilege 4628 WMIC.exe Token: SeDebugPrivilege 4628 WMIC.exe Token: SeSystemEnvironmentPrivilege 4628 WMIC.exe Token: SeRemoteShutdownPrivilege 4628 WMIC.exe Token: SeUndockPrivilege 4628 WMIC.exe Token: SeManageVolumePrivilege 4628 WMIC.exe Token: 33 4628 WMIC.exe Token: 34 4628 WMIC.exe Token: 35 4628 WMIC.exe Token: 36 4628 WMIC.exe Token: SeIncreaseQuotaPrivilege 4628 WMIC.exe Token: SeSecurityPrivilege 4628 WMIC.exe Token: SeTakeOwnershipPrivilege 4628 WMIC.exe Token: SeLoadDriverPrivilege 4628 WMIC.exe Token: SeSystemProfilePrivilege 4628 WMIC.exe Token: SeSystemtimePrivilege 4628 WMIC.exe Token: SeProfSingleProcessPrivilege 4628 WMIC.exe Token: SeIncBasePriorityPrivilege 4628 WMIC.exe Token: SeCreatePagefilePrivilege 4628 WMIC.exe Token: SeBackupPrivilege 4628 WMIC.exe Token: SeRestorePrivilege 4628 WMIC.exe Token: SeShutdownPrivilege 4628 WMIC.exe Token: SeDebugPrivilege 4628 WMIC.exe Token: SeSystemEnvironmentPrivilege 4628 WMIC.exe Token: SeRemoteShutdownPrivilege 4628 WMIC.exe Token: SeUndockPrivilege 4628 WMIC.exe Token: SeManageVolumePrivilege 4628 WMIC.exe Token: 33 4628 WMIC.exe Token: 34 4628 WMIC.exe Token: 35 4628 WMIC.exe Token: 36 4628 WMIC.exe Token: SeBackupPrivilege 3404 vssvc.exe Token: SeRestorePrivilege 3404 vssvc.exe Token: SeAuditPrivilege 3404 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3228 !WannaDecryptor!.exe 3228 !WannaDecryptor!.exe 3644 !WannaDecryptor!.exe 3644 !WannaDecryptor!.exe 936 !WannaDecryptor!.exe 936 !WannaDecryptor!.exe 4896 !WannaDecryptor!.exe 4896 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 116 wrote to memory of 440 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 116 wrote to memory of 440 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 116 wrote to memory of 440 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 440 wrote to memory of 1492 440 cmd.exe 85 PID 440 wrote to memory of 1492 440 cmd.exe 85 PID 440 wrote to memory of 1492 440 cmd.exe 85 PID 116 wrote to memory of 3228 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 86 PID 116 wrote to memory of 3228 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 86 PID 116 wrote to memory of 3228 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 86 PID 116 wrote to memory of 868 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 116 wrote to memory of 868 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 116 wrote to memory of 868 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 116 wrote to memory of 4644 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 116 wrote to memory of 4644 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 116 wrote to memory of 4644 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 116 wrote to memory of 1868 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 116 wrote to memory of 1868 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 116 wrote to memory of 1868 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 116 wrote to memory of 3948 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 116 wrote to memory of 3948 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 116 wrote to memory of 3948 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 116 wrote to memory of 3644 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 116 wrote to memory of 3644 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 116 wrote to memory of 3644 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 116 wrote to memory of 3932 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 116 wrote to memory of 3932 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 116 wrote to memory of 3932 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3932 wrote to memory of 936 3932 cmd.exe 111 PID 3932 wrote to memory of 936 3932 cmd.exe 111 PID 3932 wrote to memory of 936 3932 cmd.exe 111 PID 116 wrote to memory of 4896 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 116 wrote to memory of 4896 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 116 wrote to memory of 4896 116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 936 wrote to memory of 4332 936 !WannaDecryptor!.exe 114 PID 936 wrote to memory of 4332 936 !WannaDecryptor!.exe 114 PID 936 wrote to memory of 4332 936 !WannaDecryptor!.exe 114 PID 4332 wrote to memory of 4628 4332 cmd.exe 116 PID 4332 wrote to memory of 4628 4332 cmd.exe 116 PID 4332 wrote to memory of 4628 4332 cmd.exe 116 - 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:116 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 281751715799253.bat2⤵
- Suspicious use of WriteProcessMemory
PID:440 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1492
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3228
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:868
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4644
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1868
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3948
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3644
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:936 -
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:4332 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4628
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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:4896
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3404
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 65d548aed8cd2def3e5402bfc174fe1341fbbd04c77d66a9fbdb66640b82c0f9
- MD5 ebc3fdf91af3ada4be976354f23db833
- SHA1 8d04be0b9b0b4a3fc12635e29c66a65b9a675548
- SHA512 6d4f21c3734f430fa777fd8c5478be7cb1b87ad6f7116c2f480afe570072e2a3d4a4270d9628be7e8b6ab0d53d64d63955b17fa0c9d13dceb5d40bb9d736de17
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 8fd29475342094334a1566bc8685edd783d7d1ef32a58141d14bbfc4e7bcac8a
- MD5 7499889cde61b3289a9b9d5a16b3986f
- SHA1 6bdd5951a48b0e9afe32dcbfc181f57a550f3db7
- SHA512 17f8a65e97c0efa4968a8adf58cfdee255855cb68b29e08a632971e13682ca09dc8f131bcbe078061d11c8a756b4e49676b58a3a4619b2366186c92e2dc18796
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 adc57cd0c5f608094a24d3edc520a1a1ae476488e7fbc758b0f96bda6f30475a
- MD5 cff5d08ad339b5bc22e9dd77162465b7
- SHA1 bcf20faa7befe9b9cb620ff3f9a9a61cb72356eb
- SHA512 2f8d7ca5c9da11c19d57a0e085890084512d6b66c7c753db79805071b45fd44c14b2100d8a570c0befccccb521bc1e23cdb4ccb93028d70882b70ad64244b5f5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 bc3a1c2f704df462e202be8d3de881911310faf827ffccf82f983205cabc94c4
- MD5 e973a271a22e8221c0334cb9599c7cf0
- SHA1 7518300b05572d8f8704a856e38f929b9cbcac1b
- SHA512 c4bebbfd9039c5fb5d653138232ffecdc0419b54374913bf95dafcb2e76d4ce42588d8c0f21a2342e535c1d93c55f2cf151d884612d1046a4c588a0009b0cbb5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\281751715799253.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 0847f694f9a1e4f109e52b8fa70cf47b66f9e2ca9f548b77e881af510ad0dbb3
- MD5 e8f132b8107cf9d3629fc36c339e010e
- SHA1 d9bd597f5c511bd98b5dfc2a5d2278e28de0f0f5
- SHA512 d40bd13ddcf72ad0052ea765cb1fcff8d57d2701074902b4c90a354692b0a27b1a2f9634dc7c262fa7351499265296d29989fb15e68841daa73aa16955d30b3c
- 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