Analysis
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max time kernel
148s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:07
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
-
Size
224KB
-
MD5
5c7fb0927db37372da25f270708103a2
-
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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Drops startup file 2 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD64B9.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD64C0.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3240 !WannaDecryptor!.exe 2040 !WannaDecryptor!.exe 1348 !WannaDecryptor!.exe 5012 !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
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription 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
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 4800 taskkill.exe 1732 taskkill.exe 4060 taskkill.exe 784 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1732 taskkill.exe Token: SeDebugPrivilege 4060 taskkill.exe Token: SeDebugPrivilege 784 taskkill.exe Token: SeDebugPrivilege 4800 taskkill.exe Token: SeIncreaseQuotaPrivilege 4732 WMIC.exe Token: SeSecurityPrivilege 4732 WMIC.exe Token: SeTakeOwnershipPrivilege 4732 WMIC.exe Token: SeLoadDriverPrivilege 4732 WMIC.exe Token: SeSystemProfilePrivilege 4732 WMIC.exe Token: SeSystemtimePrivilege 4732 WMIC.exe Token: SeProfSingleProcessPrivilege 4732 WMIC.exe Token: SeIncBasePriorityPrivilege 4732 WMIC.exe Token: SeCreatePagefilePrivilege 4732 WMIC.exe Token: SeBackupPrivilege 4732 WMIC.exe Token: SeRestorePrivilege 4732 WMIC.exe Token: SeShutdownPrivilege 4732 WMIC.exe Token: SeDebugPrivilege 4732 WMIC.exe Token: SeSystemEnvironmentPrivilege 4732 WMIC.exe Token: SeRemoteShutdownPrivilege 4732 WMIC.exe Token: SeUndockPrivilege 4732 WMIC.exe Token: SeManageVolumePrivilege 4732 WMIC.exe Token: 33 4732 WMIC.exe Token: 34 4732 WMIC.exe Token: 35 4732 WMIC.exe Token: 36 4732 WMIC.exe Token: SeIncreaseQuotaPrivilege 4732 WMIC.exe Token: SeSecurityPrivilege 4732 WMIC.exe Token: SeTakeOwnershipPrivilege 4732 WMIC.exe Token: SeLoadDriverPrivilege 4732 WMIC.exe Token: SeSystemProfilePrivilege 4732 WMIC.exe Token: SeSystemtimePrivilege 4732 WMIC.exe Token: SeProfSingleProcessPrivilege 4732 WMIC.exe Token: SeIncBasePriorityPrivilege 4732 WMIC.exe Token: SeCreatePagefilePrivilege 4732 WMIC.exe Token: SeBackupPrivilege 4732 WMIC.exe Token: SeRestorePrivilege 4732 WMIC.exe Token: SeShutdownPrivilege 4732 WMIC.exe Token: SeDebugPrivilege 4732 WMIC.exe Token: SeSystemEnvironmentPrivilege 4732 WMIC.exe Token: SeRemoteShutdownPrivilege 4732 WMIC.exe Token: SeUndockPrivilege 4732 WMIC.exe Token: SeManageVolumePrivilege 4732 WMIC.exe Token: 33 4732 WMIC.exe Token: 34 4732 WMIC.exe Token: 35 4732 WMIC.exe Token: 36 4732 WMIC.exe Token: SeBackupPrivilege 1948 vssvc.exe Token: SeRestorePrivilege 1948 vssvc.exe Token: SeAuditPrivilege 1948 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3240 !WannaDecryptor!.exe 3240 !WannaDecryptor!.exe 2040 !WannaDecryptor!.exe 2040 !WannaDecryptor!.exe 1348 !WannaDecryptor!.exe 1348 !WannaDecryptor!.exe 5012 !WannaDecryptor!.exe 5012 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 636 wrote to memory of 1900 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 636 wrote to memory of 1900 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 636 wrote to memory of 1900 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1900 wrote to memory of 2324 1900 cmd.exe cscript.exe PID 1900 wrote to memory of 2324 1900 cmd.exe cscript.exe PID 1900 wrote to memory of 2324 1900 cmd.exe cscript.exe PID 636 wrote to memory of 3240 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 3240 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 3240 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 4800 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 4800 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 4800 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 1732 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 1732 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 1732 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 4060 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 4060 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 4060 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 784 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 784 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 784 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 636 wrote to memory of 2040 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 2040 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 2040 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 468 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 636 wrote to memory of 468 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 636 wrote to memory of 468 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 468 wrote to memory of 1348 468 cmd.exe !WannaDecryptor!.exe PID 468 wrote to memory of 1348 468 cmd.exe !WannaDecryptor!.exe PID 468 wrote to memory of 1348 468 cmd.exe !WannaDecryptor!.exe PID 636 wrote to memory of 5012 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 5012 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 636 wrote to memory of 5012 636 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1348 wrote to memory of 936 1348 !WannaDecryptor!.exe cmd.exe PID 1348 wrote to memory of 936 1348 !WannaDecryptor!.exe cmd.exe PID 1348 wrote to memory of 936 1348 !WannaDecryptor!.exe cmd.exe PID 936 wrote to memory of 4732 936 cmd.exe WMIC.exe PID 936 wrote to memory of 4732 936 cmd.exe WMIC.exe PID 936 wrote to memory of 4732 936 cmd.exe WMIC.exe -
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:636 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 294521715627245.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2324
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3240 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4800 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1732 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4060 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:784 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2040 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:468 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348 -
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:936 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4732 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:5012
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1948
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
MD5ffa2e179df7bce0394b0b94ab4d05f68
SHA1b81ee821eea60bd0d65646437e0eb06b871df272
SHA25608131573c5bd8a1d6a483cd1286a630ee4c785c93c1a86bf83a8f49818a38402
SHA512900507cd4a0f8b9862d990290a6248056db2fb55ae7a9a1673c36261a8dedbd48227328a345b86ffb9113288078acc97dacfe0df04b1f68db382afe239d2fd7f
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Filesize
136B
MD525be893ff68972ddff317b9ba402f40a
SHA1b511717fa9779f6190be172c7d00eed87f1568ef
SHA2565b431601df2f1d3d3245b954d5c2a908a9b424de12cac98dccf5f839530cd14b
SHA512de72e9b4cd2142a259215801b8c1128e39ef5458d5eb9ae242e92475238e25e81470da92b9d1c5f47400bffa9cee99b855a51ca922cd188c19d7ddaf7903499e
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Filesize
136B
MD599d614a3e487f76857553ddae357137c
SHA1d9864e74e7c1e38b25dfdf890323fee155b3c47b
SHA256289ed2abf8ef9d1e79f0baa36a81aae670bee6b29439347c04ef29822646cf5f
SHA512be367d471f58aa4aa389f0f1445f4e4b454be93af1f0f71f7ad09301a36a522ab8ac24bf5c3f02d91c725c58447e613e4849d9d16e529f3efa35129ede6297d5
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Filesize
136B
MD5527922eaa6caf5a163b79b05c68e49ec
SHA1d4600849c817c43a94ddd6ac669ec1565626add1
SHA25659f4cf95205a2820f5ea9093579b8d82963d4b87a17a36b37b145c88f3affc93
SHA5127da96723d58d5cb16269073373a91db5f32f64f6f1156775b9488cc4a6214a118bf328b316fea4fa7f4b1ee914a2da9dae8cef8ab6b83ccc8dcdf037a3bff3f8
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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
MD5aea727e34f4420439caec731db20d51e
SHA18772b643b7c18f85be93b8617b64b587ccef7fe6
SHA256c8ca63b4b4126e08331e1b0f89ca61c726bb70827fec59c2f3b83020676da925
SHA5122c5b2c1bc281480b9e695bce3f41ec9ab51504bf67c88b052bc1529691263441eb8e285fe456ba04f8040c9c977204a44e7c38a91a665bdc243ddfb3969a7f12
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5