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Analysis
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max time kernel
148s -
max time network
113s -
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, 19:04
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (72) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD4BEB.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4C01.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
pid Process 1664 !WannaDecryptor!.exe 4920 !WannaDecryptor!.exe 1132 !WannaDecryptor!.exe 1584 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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-1-5-21-1162180587-977231257-2194346871-1000\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).
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Kills process with taskkill 4 IoCs
pid Process 4444 taskkill.exe 3352 taskkill.exe 2112 taskkill.exe 1528 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 3352 taskkill.exe Token: SeDebugPrivilege 4444 taskkill.exe Token: SeDebugPrivilege 1528 taskkill.exe Token: SeIncreaseQuotaPrivilege 1008 WMIC.exe Token: SeSecurityPrivilege 1008 WMIC.exe Token: SeTakeOwnershipPrivilege 1008 WMIC.exe Token: SeLoadDriverPrivilege 1008 WMIC.exe Token: SeSystemProfilePrivilege 1008 WMIC.exe Token: SeSystemtimePrivilege 1008 WMIC.exe Token: SeProfSingleProcessPrivilege 1008 WMIC.exe Token: SeIncBasePriorityPrivilege 1008 WMIC.exe Token: SeCreatePagefilePrivilege 1008 WMIC.exe Token: SeBackupPrivilege 1008 WMIC.exe Token: SeRestorePrivilege 1008 WMIC.exe Token: SeShutdownPrivilege 1008 WMIC.exe Token: SeDebugPrivilege 1008 WMIC.exe Token: SeSystemEnvironmentPrivilege 1008 WMIC.exe Token: SeRemoteShutdownPrivilege 1008 WMIC.exe Token: SeUndockPrivilege 1008 WMIC.exe Token: SeManageVolumePrivilege 1008 WMIC.exe Token: 33 1008 WMIC.exe Token: 34 1008 WMIC.exe Token: 35 1008 WMIC.exe Token: 36 1008 WMIC.exe Token: SeIncreaseQuotaPrivilege 1008 WMIC.exe Token: SeSecurityPrivilege 1008 WMIC.exe Token: SeTakeOwnershipPrivilege 1008 WMIC.exe Token: SeLoadDriverPrivilege 1008 WMIC.exe Token: SeSystemProfilePrivilege 1008 WMIC.exe Token: SeSystemtimePrivilege 1008 WMIC.exe Token: SeProfSingleProcessPrivilege 1008 WMIC.exe Token: SeIncBasePriorityPrivilege 1008 WMIC.exe Token: SeCreatePagefilePrivilege 1008 WMIC.exe Token: SeBackupPrivilege 1008 WMIC.exe Token: SeRestorePrivilege 1008 WMIC.exe Token: SeShutdownPrivilege 1008 WMIC.exe Token: SeDebugPrivilege 1008 WMIC.exe Token: SeSystemEnvironmentPrivilege 1008 WMIC.exe Token: SeRemoteShutdownPrivilege 1008 WMIC.exe Token: SeUndockPrivilege 1008 WMIC.exe Token: SeManageVolumePrivilege 1008 WMIC.exe Token: 33 1008 WMIC.exe Token: 34 1008 WMIC.exe Token: 35 1008 WMIC.exe Token: 36 1008 WMIC.exe Token: SeBackupPrivilege 1644 vssvc.exe Token: SeRestorePrivilege 1644 vssvc.exe Token: SeAuditPrivilege 1644 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1664 !WannaDecryptor!.exe 1664 !WannaDecryptor!.exe 4920 !WannaDecryptor!.exe 4920 !WannaDecryptor!.exe 1132 !WannaDecryptor!.exe 1132 !WannaDecryptor!.exe 1584 !WannaDecryptor!.exe 1584 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3824 wrote to memory of 4492 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 3824 wrote to memory of 4492 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 3824 wrote to memory of 4492 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4492 wrote to memory of 3556 4492 cmd.exe 84 PID 4492 wrote to memory of 3556 4492 cmd.exe 84 PID 4492 wrote to memory of 3556 4492 cmd.exe 84 PID 3824 wrote to memory of 1664 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 3824 wrote to memory of 1664 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 3824 wrote to memory of 1664 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 3824 wrote to memory of 3352 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3824 wrote to memory of 3352 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3824 wrote to memory of 3352 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3824 wrote to memory of 2112 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3824 wrote to memory of 2112 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3824 wrote to memory of 2112 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3824 wrote to memory of 1528 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3824 wrote to memory of 1528 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3824 wrote to memory of 1528 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3824 wrote to memory of 4444 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3824 wrote to memory of 4444 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3824 wrote to memory of 4444 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3824 wrote to memory of 4920 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 3824 wrote to memory of 4920 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 3824 wrote to memory of 4920 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 3824 wrote to memory of 4116 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 3824 wrote to memory of 4116 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 3824 wrote to memory of 4116 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 4116 wrote to memory of 1132 4116 cmd.exe 108 PID 4116 wrote to memory of 1132 4116 cmd.exe 108 PID 4116 wrote to memory of 1132 4116 cmd.exe 108 PID 3824 wrote to memory of 1584 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 3824 wrote to memory of 1584 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 3824 wrote to memory of 1584 3824 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 1132 wrote to memory of 224 1132 !WannaDecryptor!.exe 113 PID 1132 wrote to memory of 224 1132 !WannaDecryptor!.exe 113 PID 1132 wrote to memory of 224 1132 !WannaDecryptor!.exe 113 PID 224 wrote to memory of 1008 224 cmd.exe 115 PID 224 wrote to memory of 1008 224 cmd.exe 115 PID 224 wrote to memory of 1008 224 cmd.exe 115 -
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:3824 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 65931715627100.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3556
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1664
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3352
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
PID:2112
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1528
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4444
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4920
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1132 -
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:224 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1008
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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:1584
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD5c75be66f1d23eeca736ea872dc03ce6b
SHA17cf1dbc93166f6f6e505ca656cb5f18191ff02fd
SHA25686b92c7226235e7a5ceb54ae5e8363ae0999b57e381e077754350dfd191f4678
SHA512bf9d8b71f2274f86fced4cedad21f15d93b0f90331606106f62a0401a17873191d6110c24169ef901e4f596320b6714a8c608979d46d07767292c0b701f7fa85
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Filesize
136B
MD5e3841f869175dbcbabae5758d1b91900
SHA1841ae3880f4e629a0cb51575aaf57f6e152744f4
SHA256cb74382a14ecf2a93ad2d9a74386304b71c57e34a24cb7782e38a324ceec7e11
SHA512fce4406be4af16aee64ec0fbbc1410cd395e93e472dfb68ada147e833b41699979c38e8bb0da1d569db086d18ff20cf747bf58caa457cb405b1407ddfd26042d
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Filesize
136B
MD5ee30d6e18abf0c7914a526eb18e32d5d
SHA1167d70f2c519706670ff0d029eff64d7d4566934
SHA2569e7796b2d9bc91cfe57431aee4497d3c3531861f3294821ba8c43537a5f89ef7
SHA512669b7efaa4a31bd6921b4844b69c709f7f81408b2c77354e403a9d9ee5359ef609696d9d9141300350932e7c498c848f3f75699b6bf6731e6c171c3c97e191bd
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Filesize
136B
MD5845d773dc92df7f6d3285c743c7a3507
SHA149dc3f936391c20231f337436896bd807b60ec00
SHA2560982ad465620ecfbb7502bef6308b82a8ebe5ac190fcc72a8b13532d92dddd42
SHA512d62de9bc477bb00cb7722022d718a2ae78f07c717ab643be4b682f2e715a29a3c76a846c65e50ae169cfe71e84348b4f935258d0ae1700c031d3b29b70ad2e7a
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD5b8c23e8e7d73b3e55e22e8ef9d45b861
SHA1fa411853360ef342428c269b34494d067e1ae4bf
SHA25605f99bb34ce593a7ec0419090409282f0d14c0d19243ab17ef8bcadb54a2b622
SHA5123259077bfb28e47c9644d1ff58c784a63f5940ad5c84701ece2b3d6c263567d06c27eba98a3a74f062b2db8b30677e366fe24087b84b8bbddbb0e146c6aeef53
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5