Analysis
- max time kernel
149s - max time network
155s - 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, 03:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240419-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-dpg58ach28
- 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\~SD4A15.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4A2B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 4840 !WannaDecryptor!.exe 4908 !WannaDecryptor!.exe 4472 !WannaDecryptor!.exe 412 !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 3128 taskkill.exe 264 taskkill.exe 4620 taskkill.exe 4676 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4620 taskkill.exe Token: SeDebugPrivilege 264 taskkill.exe Token: SeDebugPrivilege 3128 taskkill.exe Token: SeDebugPrivilege 4676 taskkill.exe Token: SeIncreaseQuotaPrivilege 3860 WMIC.exe Token: SeSecurityPrivilege 3860 WMIC.exe Token: SeTakeOwnershipPrivilege 3860 WMIC.exe Token: SeLoadDriverPrivilege 3860 WMIC.exe Token: SeSystemProfilePrivilege 3860 WMIC.exe Token: SeSystemtimePrivilege 3860 WMIC.exe Token: SeProfSingleProcessPrivilege 3860 WMIC.exe Token: SeIncBasePriorityPrivilege 3860 WMIC.exe Token: SeCreatePagefilePrivilege 3860 WMIC.exe Token: SeBackupPrivilege 3860 WMIC.exe Token: SeRestorePrivilege 3860 WMIC.exe Token: SeShutdownPrivilege 3860 WMIC.exe Token: SeDebugPrivilege 3860 WMIC.exe Token: SeSystemEnvironmentPrivilege 3860 WMIC.exe Token: SeRemoteShutdownPrivilege 3860 WMIC.exe Token: SeUndockPrivilege 3860 WMIC.exe Token: SeManageVolumePrivilege 3860 WMIC.exe Token: 33 3860 WMIC.exe Token: 34 3860 WMIC.exe Token: 35 3860 WMIC.exe Token: 36 3860 WMIC.exe Token: SeIncreaseQuotaPrivilege 3860 WMIC.exe Token: SeSecurityPrivilege 3860 WMIC.exe Token: SeTakeOwnershipPrivilege 3860 WMIC.exe Token: SeLoadDriverPrivilege 3860 WMIC.exe Token: SeSystemProfilePrivilege 3860 WMIC.exe Token: SeSystemtimePrivilege 3860 WMIC.exe Token: SeProfSingleProcessPrivilege 3860 WMIC.exe Token: SeIncBasePriorityPrivilege 3860 WMIC.exe Token: SeCreatePagefilePrivilege 3860 WMIC.exe Token: SeBackupPrivilege 3860 WMIC.exe Token: SeRestorePrivilege 3860 WMIC.exe Token: SeShutdownPrivilege 3860 WMIC.exe Token: SeDebugPrivilege 3860 WMIC.exe Token: SeSystemEnvironmentPrivilege 3860 WMIC.exe Token: SeRemoteShutdownPrivilege 3860 WMIC.exe Token: SeUndockPrivilege 3860 WMIC.exe Token: SeManageVolumePrivilege 3860 WMIC.exe Token: 33 3860 WMIC.exe Token: 34 3860 WMIC.exe Token: 35 3860 WMIC.exe Token: 36 3860 WMIC.exe Token: SeBackupPrivilege 3084 vssvc.exe Token: SeRestorePrivilege 3084 vssvc.exe Token: SeAuditPrivilege 3084 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4840 !WannaDecryptor!.exe 4840 !WannaDecryptor!.exe 4908 !WannaDecryptor!.exe 4908 !WannaDecryptor!.exe 4472 !WannaDecryptor!.exe 4472 !WannaDecryptor!.exe 412 !WannaDecryptor!.exe 412 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1628 wrote to memory of 4468 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1628 wrote to memory of 4468 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1628 wrote to memory of 4468 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4468 wrote to memory of 4952 4468 cmd.exe 84 PID 4468 wrote to memory of 4952 4468 cmd.exe 84 PID 4468 wrote to memory of 4952 4468 cmd.exe 84 PID 1628 wrote to memory of 4840 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1628 wrote to memory of 4840 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1628 wrote to memory of 4840 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1628 wrote to memory of 3128 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1628 wrote to memory of 3128 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1628 wrote to memory of 3128 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1628 wrote to memory of 4676 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1628 wrote to memory of 4676 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1628 wrote to memory of 4676 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1628 wrote to memory of 4620 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1628 wrote to memory of 4620 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1628 wrote to memory of 4620 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1628 wrote to memory of 264 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 1628 wrote to memory of 264 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 1628 wrote to memory of 264 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 1628 wrote to memory of 4908 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 1628 wrote to memory of 4908 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 1628 wrote to memory of 4908 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 1628 wrote to memory of 4792 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 1628 wrote to memory of 4792 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 1628 wrote to memory of 4792 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4792 wrote to memory of 4472 4792 cmd.exe 109 PID 4792 wrote to memory of 4472 4792 cmd.exe 109 PID 4792 wrote to memory of 4472 4792 cmd.exe 109 PID 1628 wrote to memory of 412 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 1628 wrote to memory of 412 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 1628 wrote to memory of 412 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 4472 wrote to memory of 3956 4472 !WannaDecryptor!.exe 114 PID 4472 wrote to memory of 3956 4472 !WannaDecryptor!.exe 114 PID 4472 wrote to memory of 3956 4472 !WannaDecryptor!.exe 114 PID 3956 wrote to memory of 3860 3956 cmd.exe 116 PID 3956 wrote to memory of 3860 3956 cmd.exe 116 PID 3956 wrote to memory of 3860 3956 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:1628 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 76121715397064.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4952
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4840
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3128
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4676
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4620
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:264
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4908
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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:4472 -
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:3956 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3860
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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:412
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3084
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 fe60991a9e12832a5c493a9602db7cebc636b0de0681ee75320b72265b1257ec
- MD5 8039e45d1f98247ec54b9fd492c28e5a
- SHA1 f71c2540af511fd34f22c19ed66b4b477cf517b7
- SHA512 48a5a8da8880afbf3c971d4e393b2cde261e6ece0537d68eeecdb2ae6d82b33030247bf7a9b69360a54349aee52b9e15b0efab7be2dc8b78599657629f9d9128
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 f9661a4b7a9e904a06866578bbfdcdacc41e9e2fd6ff05a139b39e7dee1f9a9c
- MD5 0c2da6476bbe93a95449cd59eb49f23a
- SHA1 1130bc85b7a2c8b7ccfa8b6125dd76db3990a03e
- SHA512 5d5cfcc8fac51b4258481283f4dedddf30ce7a7f6a2d920878d9cc1c2ad7e19d21a610f2457d6dacde82a7c0e89846ca8463e3a1b896542bd9a5e8ee6bd937fc
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 0603fa9a5cdcbd131dbcd6263fe5d79b26559763e05b73c962846f2d3db28a87
- MD5 b958b371a53195996a7480e2a893c728
- SHA1 514115443dc5af31ab9d77d23c18234a9dd7c3f7
- SHA512 7795a97b6241a7387670952e2a10343ad02fe62285d9a075c587ba6122cd0f5d7974413dbbc54afad683342abee16819c8ef88a249617f964da8a9cc48bdb13d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 7e8c8fa4233f1ddaeadef69fcfe46c303446db02c247a046d3acdf0b134172c9
- MD5 57af442497ee132b19784c9ba37bf482
- SHA1 2d8930f656cbfa02a3c74c8b3ac404b7d7d07bb4
- SHA512 c3b3999dafb9817a40403c3481e7f84d0608341293d960addecea0957c687568c0c4485e25dceebe1da1c8433f78ed5571f692970355e99be7570acfb26406c7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\76121715397064.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 5f1e62a0110be0e21d314ce56557e89aa6e6a2230788e26ad8b01d23e04d4767
- MD5 0764e08f17637cde7089af64284de541
- SHA1 5d264fba0ad2c8783629168d8a0fdea681e779f5
- SHA512 903ac66a7031919d4fbd43c536e2f5a426c96f198d9f1cab1ec36f7a17d2c162447fa134ae477dab19cd761c546737789b523409e70d9b9c4863cb7980b759aa
- 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