Analysis
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max time kernel
148s -
max time network
98s -
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 19:05
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\~SD666E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6685.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2396 !WannaDecryptor!.exe 4756 !WannaDecryptor!.exe 4376 !WannaDecryptor!.exe 4660 !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-1-5-21-1337824034-2731376981-3755436523-1000\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 4660 taskkill.exe 1372 taskkill.exe 836 taskkill.exe 5100 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1372 taskkill.exe Token: SeDebugPrivilege 5100 taskkill.exe Token: SeDebugPrivilege 4660 taskkill.exe Token: SeDebugPrivilege 836 taskkill.exe Token: SeIncreaseQuotaPrivilege 392 WMIC.exe Token: SeSecurityPrivilege 392 WMIC.exe Token: SeTakeOwnershipPrivilege 392 WMIC.exe Token: SeLoadDriverPrivilege 392 WMIC.exe Token: SeSystemProfilePrivilege 392 WMIC.exe Token: SeSystemtimePrivilege 392 WMIC.exe Token: SeProfSingleProcessPrivilege 392 WMIC.exe Token: SeIncBasePriorityPrivilege 392 WMIC.exe Token: SeCreatePagefilePrivilege 392 WMIC.exe Token: SeBackupPrivilege 392 WMIC.exe Token: SeRestorePrivilege 392 WMIC.exe Token: SeShutdownPrivilege 392 WMIC.exe Token: SeDebugPrivilege 392 WMIC.exe Token: SeSystemEnvironmentPrivilege 392 WMIC.exe Token: SeRemoteShutdownPrivilege 392 WMIC.exe Token: SeUndockPrivilege 392 WMIC.exe Token: SeManageVolumePrivilege 392 WMIC.exe Token: 33 392 WMIC.exe Token: 34 392 WMIC.exe Token: 35 392 WMIC.exe Token: 36 392 WMIC.exe Token: SeIncreaseQuotaPrivilege 392 WMIC.exe Token: SeSecurityPrivilege 392 WMIC.exe Token: SeTakeOwnershipPrivilege 392 WMIC.exe Token: SeLoadDriverPrivilege 392 WMIC.exe Token: SeSystemProfilePrivilege 392 WMIC.exe Token: SeSystemtimePrivilege 392 WMIC.exe Token: SeProfSingleProcessPrivilege 392 WMIC.exe Token: SeIncBasePriorityPrivilege 392 WMIC.exe Token: SeCreatePagefilePrivilege 392 WMIC.exe Token: SeBackupPrivilege 392 WMIC.exe Token: SeRestorePrivilege 392 WMIC.exe Token: SeShutdownPrivilege 392 WMIC.exe Token: SeDebugPrivilege 392 WMIC.exe Token: SeSystemEnvironmentPrivilege 392 WMIC.exe Token: SeRemoteShutdownPrivilege 392 WMIC.exe Token: SeUndockPrivilege 392 WMIC.exe Token: SeManageVolumePrivilege 392 WMIC.exe Token: 33 392 WMIC.exe Token: 34 392 WMIC.exe Token: 35 392 WMIC.exe Token: 36 392 WMIC.exe Token: SeBackupPrivilege 1360 vssvc.exe Token: SeRestorePrivilege 1360 vssvc.exe Token: SeAuditPrivilege 1360 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2396 !WannaDecryptor!.exe 2396 !WannaDecryptor!.exe 4756 !WannaDecryptor!.exe 4756 !WannaDecryptor!.exe 4376 !WannaDecryptor!.exe 4376 !WannaDecryptor!.exe 4660 !WannaDecryptor!.exe 4660 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4500 wrote to memory of 4492 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4500 wrote to memory of 4492 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4500 wrote to memory of 4492 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4492 wrote to memory of 224 4492 cmd.exe cscript.exe PID 4492 wrote to memory of 224 4492 cmd.exe cscript.exe PID 4492 wrote to memory of 224 4492 cmd.exe cscript.exe PID 4500 wrote to memory of 2396 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 2396 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 2396 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 5100 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 5100 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 5100 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 4660 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 4660 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 4660 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 1372 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 1372 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 1372 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 836 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 836 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 836 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4500 wrote to memory of 4756 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 4756 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 4756 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 2328 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4500 wrote to memory of 2328 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4500 wrote to memory of 2328 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2328 wrote to memory of 4376 2328 cmd.exe !WannaDecryptor!.exe PID 2328 wrote to memory of 4376 2328 cmd.exe !WannaDecryptor!.exe PID 2328 wrote to memory of 4376 2328 cmd.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 4660 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 4660 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4500 wrote to memory of 4660 4500 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4376 wrote to memory of 3556 4376 !WannaDecryptor!.exe cmd.exe PID 4376 wrote to memory of 3556 4376 !WannaDecryptor!.exe cmd.exe PID 4376 wrote to memory of 3556 4376 !WannaDecryptor!.exe cmd.exe PID 3556 wrote to memory of 392 3556 cmd.exe WMIC.exe PID 3556 wrote to memory of 392 3556 cmd.exe WMIC.exe PID 3556 wrote to memory of 392 3556 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:4500 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 299091715627143.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:224
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2396 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5100 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4660 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1372 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:836 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4756 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4376 -
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:3556 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:392 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4660
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1360
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
MD50318ab09f511700daaea4bcb95fb4b6a
SHA1d52d96f0ebe67f1506f2011da21a94bbde24b562
SHA25619b42f8a66e7a3d5d4be0955071bf1146aec8abaa64edae3ae5856b4ceb4d68b
SHA51285fa6b07d610b2006cf6f3c94cf6385d130f51a29ca041dcb3ac223dfe35f487bcd48d99657943474ce6ae0195036ccc670ad3ab34aed9900affadbc4d7a909a
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Filesize
136B
MD55482925f8302522074ae5630a334c773
SHA16979892717468be408cca665d86b664e011431f2
SHA256b89aead61badb0797f135cf7f2fe7efa1e729534ee808de869243e9c85d3fd5b
SHA51284b5906c92e41d32ad000808e6af9e3d254402f17f795c59d27f86bc3a1ca08bdb1107fc2f3de8bb0023c83f40a5dcb9470ae99374f3f7a528edd52dedff9ecf
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Filesize
136B
MD5f91f86d732560755b9861f3ee4ddca9d
SHA1afd3101be6ca31479e4ca30631ed2da878c53781
SHA2560b0ddb26ba64a6a5d71d752ba62a8c1cde349939602fd4445926235d02128f5a
SHA5125c55ef5b379ff8e82bfd95cd6f4eb896c76ea63a0da04406545e33dc2e3e59819b98031cc7da6f8045cb323e152370c3b1d21a5ea27a0b0fa82239b396a0b1a5
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Filesize
136B
MD50f74aa7796d116a373de4391782b9e76
SHA1bb4231e7f47a03972d49ad1543c86a4d803af1ec
SHA256db59ab77e1ab70f4bf3bfcf2b9024617e35bb76d9ad08c46a0bdd61af369ee85
SHA5127348cb0f814a9c37a277f163ac77a075a06e60a470038be26c8ed41d2b27b71d70847f59b806118b2d67e1b39a792505af5897d29c4122f223de53c8fe9c4f68
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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
MD5d04d493cd849d03c98ac5532e26fa493
SHA1549d286b5efe57adddf8828922095a297faa229d
SHA25631cd20ea44045b94418c075305f6f72975c94dad99542c33bc9bdbbbc0a1e7e6
SHA5121d75ab813ac146ad135c9cd1e4a1e3ba9183ccb90a247eca79de37df30b79ed209cc1f9d6d2dde16351a07721dbacd58a581a08d8a1cec6dba81aa2c7cc17d97
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5