Analysis
- max time kernel
146s - max time network
100s - 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
win7-20240508-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
- Sample240511-dpjdaaaa9v
- 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\~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 1612 !WannaDecryptor!.exe 4660 !WannaDecryptor!.exe 2476 !WannaDecryptor!.exe 972 !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-1-5-21-3906287020-2915474608-1755617787-1000\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 2980 taskkill.exe 4440 taskkill.exe 3096 taskkill.exe 692 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4440 taskkill.exe Token: SeDebugPrivilege 3096 taskkill.exe Token: SeDebugPrivilege 2980 taskkill.exe Token: SeDebugPrivilege 692 taskkill.exe Token: SeIncreaseQuotaPrivilege 4148 WMIC.exe Token: SeSecurityPrivilege 4148 WMIC.exe Token: SeTakeOwnershipPrivilege 4148 WMIC.exe Token: SeLoadDriverPrivilege 4148 WMIC.exe Token: SeSystemProfilePrivilege 4148 WMIC.exe Token: SeSystemtimePrivilege 4148 WMIC.exe Token: SeProfSingleProcessPrivilege 4148 WMIC.exe Token: SeIncBasePriorityPrivilege 4148 WMIC.exe Token: SeCreatePagefilePrivilege 4148 WMIC.exe Token: SeBackupPrivilege 4148 WMIC.exe Token: SeRestorePrivilege 4148 WMIC.exe Token: SeShutdownPrivilege 4148 WMIC.exe Token: SeDebugPrivilege 4148 WMIC.exe Token: SeSystemEnvironmentPrivilege 4148 WMIC.exe Token: SeRemoteShutdownPrivilege 4148 WMIC.exe Token: SeUndockPrivilege 4148 WMIC.exe Token: SeManageVolumePrivilege 4148 WMIC.exe Token: 33 4148 WMIC.exe Token: 34 4148 WMIC.exe Token: 35 4148 WMIC.exe Token: 36 4148 WMIC.exe Token: SeIncreaseQuotaPrivilege 4148 WMIC.exe Token: SeSecurityPrivilege 4148 WMIC.exe Token: SeTakeOwnershipPrivilege 4148 WMIC.exe Token: SeLoadDriverPrivilege 4148 WMIC.exe Token: SeSystemProfilePrivilege 4148 WMIC.exe Token: SeSystemtimePrivilege 4148 WMIC.exe Token: SeProfSingleProcessPrivilege 4148 WMIC.exe Token: SeIncBasePriorityPrivilege 4148 WMIC.exe Token: SeCreatePagefilePrivilege 4148 WMIC.exe Token: SeBackupPrivilege 4148 WMIC.exe Token: SeRestorePrivilege 4148 WMIC.exe Token: SeShutdownPrivilege 4148 WMIC.exe Token: SeDebugPrivilege 4148 WMIC.exe Token: SeSystemEnvironmentPrivilege 4148 WMIC.exe Token: SeRemoteShutdownPrivilege 4148 WMIC.exe Token: SeUndockPrivilege 4148 WMIC.exe Token: SeManageVolumePrivilege 4148 WMIC.exe Token: 33 4148 WMIC.exe Token: 34 4148 WMIC.exe Token: 35 4148 WMIC.exe Token: 36 4148 WMIC.exe Token: SeBackupPrivilege 3780 vssvc.exe Token: SeRestorePrivilege 3780 vssvc.exe Token: SeAuditPrivilege 3780 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1612 !WannaDecryptor!.exe 1612 !WannaDecryptor!.exe 4660 !WannaDecryptor!.exe 4660 !WannaDecryptor!.exe 2476 !WannaDecryptor!.exe 2476 !WannaDecryptor!.exe 972 !WannaDecryptor!.exe 972 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3100 wrote to memory of 3888 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 3100 wrote to memory of 3888 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 3100 wrote to memory of 3888 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 3888 wrote to memory of 2772 3888 cmd.exe 87 PID 3888 wrote to memory of 2772 3888 cmd.exe 87 PID 3888 wrote to memory of 2772 3888 cmd.exe 87 PID 3100 wrote to memory of 1612 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3100 wrote to memory of 1612 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3100 wrote to memory of 1612 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3100 wrote to memory of 4440 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3100 wrote to memory of 4440 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3100 wrote to memory of 4440 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3100 wrote to memory of 2980 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3100 wrote to memory of 2980 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3100 wrote to memory of 2980 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3100 wrote to memory of 3096 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3100 wrote to memory of 3096 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3100 wrote to memory of 3096 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3100 wrote to memory of 692 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3100 wrote to memory of 692 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3100 wrote to memory of 692 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3100 wrote to memory of 4660 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3100 wrote to memory of 4660 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3100 wrote to memory of 4660 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3100 wrote to memory of 1404 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3100 wrote to memory of 1404 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3100 wrote to memory of 1404 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 1404 wrote to memory of 2476 1404 cmd.exe 111 PID 1404 wrote to memory of 2476 1404 cmd.exe 111 PID 1404 wrote to memory of 2476 1404 cmd.exe 111 PID 3100 wrote to memory of 972 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 3100 wrote to memory of 972 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 3100 wrote to memory of 972 3100 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 2476 wrote to memory of 3652 2476 !WannaDecryptor!.exe 116 PID 2476 wrote to memory of 3652 2476 !WannaDecryptor!.exe 116 PID 2476 wrote to memory of 3652 2476 !WannaDecryptor!.exe 116 PID 3652 wrote to memory of 4148 3652 cmd.exe 118 PID 3652 wrote to memory of 4148 3652 cmd.exe 118 PID 3652 wrote to memory of 4148 3652 cmd.exe 118 - 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:3100 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 109781715397065.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2772
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1612
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4440
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2980
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3096
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:692
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4660
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476 -
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:3652 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4148
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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:972
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3780
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 80ecf0c001beb60acb9a1f56c472edb88cbe6eb22432a9ffe8504b2facae1648
- MD5 c5d50116ecbd025129b123e8d0440e7d
- SHA1 bb11d1e5b382675cb3d7328e94d871c38b1397ce
- SHA512 73fa1261886c470d322732e37a8fbe392461a32916ed1e0cfcedaf7f98437d3cb7552457b7ec6c80ae79fe1b46a48dbd0dda843c12804ecac307f97d5c23ca36
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 f4f13504e13c1f86aa6ebe59cd2edbe0bc9ee5a83ead28f662939a66e871362b
- MD5 92de2ca3a974805b08fae137ed474866
- SHA1 3a07336ca5c84175f2c6ae643f2d1f595118e1d3
- SHA512 20689202338c94be7e5535560ceba43ebbeb09978e02063865dbd381f540845f3b5adb3d6f659f6ec29ee1aa9798838fed36ea24a55b025cfb7b036cd0f89020
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 be1ae93a995448114ee419901d3d4da75470e3a256298005e418a8cb41b649b6
- MD5 a602391ce6be989d8cff7319c7f4c24c
- SHA1 ff38d36c065f974837792785b38d08dfe60838b8
- SHA512 c4d7a4ac82c6890da4ad639b2d547f89657902259819613391b5cef9704207042abb686556271ffdb066045c7455d1739e973bc2965dac266c1bdbb155ac9d05
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 60fcf0e58fa83459e06349dd6ed429cc5419bd11c186896934bc0ff001cc0979
- MD5 095311d38f7d2008c196a72dc1ae5fba
- SHA1 882c299df7714f52c7dbc86594bd5dd46a3f4002
- SHA512 0917ffb8aeab3e09e93d78cbb0eeb0ee3a4f34518fe53e289aaf4c3c9e69cb9f155e24c82e2c1f34ba8c123e3473e57ba6db50b0d91fa0e5c573577de41f2514
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\109781715397065.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 f9fdcf080ee847879a8e2cdce04514d0f099d353bbba087f001c10511abea2cc
- MD5 4a50840e57cd503a7081af87f7d478bf
- SHA1 299cf09cb7de064eb29439f803c82f4db64fa2ea
- SHA512 03bcfcfc5f1612c0ca2c2729301359e5be78d45d0713cac94349699a4ba1f8e22bb7496dca4b2ee943380a39b209ddc61b5f04005cd89d20c58d0c6ccce8967d
- 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