Analysis
- max time kernel
146s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
14/05/2024, 12:25
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
win10v2004-20240508-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240514-plk89afe52
- 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\~SD659A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD65B0.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 4864 !WannaDecryptor!.exe 1724 !WannaDecryptor!.exe 3648 !WannaDecryptor!.exe 884 !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 884 taskkill.exe 2520 taskkill.exe 984 taskkill.exe 3508 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3508 taskkill.exe Token: SeDebugPrivilege 984 taskkill.exe Token: SeDebugPrivilege 884 taskkill.exe Token: SeDebugPrivilege 2520 taskkill.exe Token: SeIncreaseQuotaPrivilege 5072 WMIC.exe Token: SeSecurityPrivilege 5072 WMIC.exe Token: SeTakeOwnershipPrivilege 5072 WMIC.exe Token: SeLoadDriverPrivilege 5072 WMIC.exe Token: SeSystemProfilePrivilege 5072 WMIC.exe Token: SeSystemtimePrivilege 5072 WMIC.exe Token: SeProfSingleProcessPrivilege 5072 WMIC.exe Token: SeIncBasePriorityPrivilege 5072 WMIC.exe Token: SeCreatePagefilePrivilege 5072 WMIC.exe Token: SeBackupPrivilege 5072 WMIC.exe Token: SeRestorePrivilege 5072 WMIC.exe Token: SeShutdownPrivilege 5072 WMIC.exe Token: SeDebugPrivilege 5072 WMIC.exe Token: SeSystemEnvironmentPrivilege 5072 WMIC.exe Token: SeRemoteShutdownPrivilege 5072 WMIC.exe Token: SeUndockPrivilege 5072 WMIC.exe Token: SeManageVolumePrivilege 5072 WMIC.exe Token: 33 5072 WMIC.exe Token: 34 5072 WMIC.exe Token: 35 5072 WMIC.exe Token: 36 5072 WMIC.exe Token: SeIncreaseQuotaPrivilege 5072 WMIC.exe Token: SeSecurityPrivilege 5072 WMIC.exe Token: SeTakeOwnershipPrivilege 5072 WMIC.exe Token: SeLoadDriverPrivilege 5072 WMIC.exe Token: SeSystemProfilePrivilege 5072 WMIC.exe Token: SeSystemtimePrivilege 5072 WMIC.exe Token: SeProfSingleProcessPrivilege 5072 WMIC.exe Token: SeIncBasePriorityPrivilege 5072 WMIC.exe Token: SeCreatePagefilePrivilege 5072 WMIC.exe Token: SeBackupPrivilege 5072 WMIC.exe Token: SeRestorePrivilege 5072 WMIC.exe Token: SeShutdownPrivilege 5072 WMIC.exe Token: SeDebugPrivilege 5072 WMIC.exe Token: SeSystemEnvironmentPrivilege 5072 WMIC.exe Token: SeRemoteShutdownPrivilege 5072 WMIC.exe Token: SeUndockPrivilege 5072 WMIC.exe Token: SeManageVolumePrivilege 5072 WMIC.exe Token: 33 5072 WMIC.exe Token: 34 5072 WMIC.exe Token: 35 5072 WMIC.exe Token: 36 5072 WMIC.exe Token: SeBackupPrivilege 936 vssvc.exe Token: SeRestorePrivilege 936 vssvc.exe Token: SeAuditPrivilege 936 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4864 !WannaDecryptor!.exe 4864 !WannaDecryptor!.exe 1724 !WannaDecryptor!.exe 1724 !WannaDecryptor!.exe 3648 !WannaDecryptor!.exe 3648 !WannaDecryptor!.exe 884 !WannaDecryptor!.exe 884 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4160 wrote to memory of 5068 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4160 wrote to memory of 5068 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4160 wrote to memory of 5068 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 5068 wrote to memory of 2732 5068 cmd.exe 84 PID 5068 wrote to memory of 2732 5068 cmd.exe 84 PID 5068 wrote to memory of 2732 5068 cmd.exe 84 PID 4160 wrote to memory of 4864 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4160 wrote to memory of 4864 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4160 wrote to memory of 4864 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 4160 wrote to memory of 3508 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4160 wrote to memory of 3508 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4160 wrote to memory of 3508 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4160 wrote to memory of 884 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4160 wrote to memory of 884 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4160 wrote to memory of 884 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4160 wrote to memory of 984 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4160 wrote to memory of 984 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4160 wrote to memory of 984 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4160 wrote to memory of 2520 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4160 wrote to memory of 2520 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4160 wrote to memory of 2520 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4160 wrote to memory of 1724 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4160 wrote to memory of 1724 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4160 wrote to memory of 1724 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4160 wrote to memory of 1608 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4160 wrote to memory of 1608 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 4160 wrote to memory of 1608 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 1608 wrote to memory of 3648 1608 cmd.exe 105 PID 1608 wrote to memory of 3648 1608 cmd.exe 105 PID 1608 wrote to memory of 3648 1608 cmd.exe 105 PID 4160 wrote to memory of 884 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4160 wrote to memory of 884 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4160 wrote to memory of 884 4160 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 3648 wrote to memory of 4584 3648 !WannaDecryptor!.exe 108 PID 3648 wrote to memory of 4584 3648 !WannaDecryptor!.exe 108 PID 3648 wrote to memory of 4584 3648 !WannaDecryptor!.exe 108 PID 4584 wrote to memory of 5072 4584 cmd.exe 110 PID 4584 wrote to memory of 5072 4584 cmd.exe 110 PID 4584 wrote to memory of 5072 4584 cmd.exe 110 - 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:4160 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 295011715689505.bat2⤵
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2732
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4864
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3508
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:884
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:984
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2520
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1724
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3648 -
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:4584 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5072
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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:884
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:936
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 8ef4473f82792fb09ea9f36a9420eabef307546f319e3a966fc17526e6d2a9c9
- MD5 147c2e5950523dafc9b7c07469006c05
- SHA1 76c57f07b8787fdd6346b43b655503e5ed6df858
- SHA512 23e75be302b59dc05968f30e75432777bdb5ef24e4bfef7f789a939f3d91d5ae7392e500c071db12d7d2c3e2084cb318c7307f24f70668c42c70f1d587888dd7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 1857097d8537182581c83084ca70c5bf6e66005cbc2d3408d5c061331d98e67a
- MD5 1b234fa66f87cfc06b0287b9fa14e865
- SHA1 f163974825432869bc44ea9a5d7cae5da5bb84e3
- SHA512 38f455fbc01c84531a5b2cc2b9419a47b0b244ca52b0932b7167f0cbdce0639787bc25f616d51f91b6ddd13e37a569fe340f9af57d92775abd2c67fc081dd72e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 d52ed7dff29a9477252dbe383c913a77aa307340d71e657b0e4557a1621328e8
- MD5 3656efef3c277174e052c092b8671398
- SHA1 807e30871f6b5b7932b61b6a661d49cc5e90b37a
- SHA512 32ef6b51ebb8ae789f8a03a214226464377e66e74c659dddfae5918e96dc16e6479aaefd0bda5164d597e95d80ad8431653f573fcf7f67ad9707080b649e6718
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 dc5a895097bd1ed4955136eef2a201ddf7a12a8f99965cb5c03ca0452d1c07b2
- MD5 3f028c92d45ddfacbbcdc65c3fa5eb87
- SHA1 50ea4ff2dbc68a49686668eb63accfd3b608da18
- SHA512 baa4a3849e7eb3d12e1ba900fc0996251c8aa7b8f074793e6692665158a066aadae3724419c63313ad5d3f00539179939e83d908aa73e76757f10c89370bce9f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\295011715689505.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 a523bc88a28c6a15e3a5d0dda24c085a6c83bfd923bd1aa4e6e8229b120793f6
- MD5 4fd65a67e4bbf3d361e7e38ace3edc8f
- SHA1 cec6e6d4ae68628661198364de6224d07dcc7a43
- SHA512 2e1215ae61aa402110b762eedadd49fb389529f879678ce060ece4802ef7ac198a14726ac7a2e189b856ffba12d9fd71f6efe67614b89c212cffe4fb04076410
- 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