Analysis
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max time kernel
149s -
max time network
159s -
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
-
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\~SD6230.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6237.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2472 !WannaDecryptor!.exe 4460 !WannaDecryptor!.exe 3484 !WannaDecryptor!.exe 2588 !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-1-5-21-4124900551-4068476067-3491212533-1000\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).
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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 4144 taskkill.exe 3068 taskkill.exe 4908 taskkill.exe 1184 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4144 taskkill.exe Token: SeDebugPrivilege 1184 taskkill.exe Token: SeDebugPrivilege 3068 taskkill.exe Token: SeDebugPrivilege 4908 taskkill.exe Token: SeIncreaseQuotaPrivilege 2172 WMIC.exe Token: SeSecurityPrivilege 2172 WMIC.exe Token: SeTakeOwnershipPrivilege 2172 WMIC.exe Token: SeLoadDriverPrivilege 2172 WMIC.exe Token: SeSystemProfilePrivilege 2172 WMIC.exe Token: SeSystemtimePrivilege 2172 WMIC.exe Token: SeProfSingleProcessPrivilege 2172 WMIC.exe Token: SeIncBasePriorityPrivilege 2172 WMIC.exe Token: SeCreatePagefilePrivilege 2172 WMIC.exe Token: SeBackupPrivilege 2172 WMIC.exe Token: SeRestorePrivilege 2172 WMIC.exe Token: SeShutdownPrivilege 2172 WMIC.exe Token: SeDebugPrivilege 2172 WMIC.exe Token: SeSystemEnvironmentPrivilege 2172 WMIC.exe Token: SeRemoteShutdownPrivilege 2172 WMIC.exe Token: SeUndockPrivilege 2172 WMIC.exe Token: SeManageVolumePrivilege 2172 WMIC.exe Token: 33 2172 WMIC.exe Token: 34 2172 WMIC.exe Token: 35 2172 WMIC.exe Token: 36 2172 WMIC.exe Token: SeIncreaseQuotaPrivilege 2172 WMIC.exe Token: SeSecurityPrivilege 2172 WMIC.exe Token: SeTakeOwnershipPrivilege 2172 WMIC.exe Token: SeLoadDriverPrivilege 2172 WMIC.exe Token: SeSystemProfilePrivilege 2172 WMIC.exe Token: SeSystemtimePrivilege 2172 WMIC.exe Token: SeProfSingleProcessPrivilege 2172 WMIC.exe Token: SeIncBasePriorityPrivilege 2172 WMIC.exe Token: SeCreatePagefilePrivilege 2172 WMIC.exe Token: SeBackupPrivilege 2172 WMIC.exe Token: SeRestorePrivilege 2172 WMIC.exe Token: SeShutdownPrivilege 2172 WMIC.exe Token: SeDebugPrivilege 2172 WMIC.exe Token: SeSystemEnvironmentPrivilege 2172 WMIC.exe Token: SeRemoteShutdownPrivilege 2172 WMIC.exe Token: SeUndockPrivilege 2172 WMIC.exe Token: SeManageVolumePrivilege 2172 WMIC.exe Token: 33 2172 WMIC.exe Token: 34 2172 WMIC.exe Token: 35 2172 WMIC.exe Token: 36 2172 WMIC.exe Token: SeBackupPrivilege 4548 vssvc.exe Token: SeRestorePrivilege 4548 vssvc.exe Token: SeAuditPrivilege 4548 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2472 !WannaDecryptor!.exe 2472 !WannaDecryptor!.exe 4460 !WannaDecryptor!.exe 4460 !WannaDecryptor!.exe 3484 !WannaDecryptor!.exe 3484 !WannaDecryptor!.exe 2588 !WannaDecryptor!.exe 2588 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1808 wrote to memory of 688 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1808 wrote to memory of 688 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1808 wrote to memory of 688 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 688 wrote to memory of 3964 688 cmd.exe cscript.exe PID 688 wrote to memory of 3964 688 cmd.exe cscript.exe PID 688 wrote to memory of 3964 688 cmd.exe cscript.exe PID 1808 wrote to memory of 2472 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 2472 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 2472 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 4144 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 4144 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 4144 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 1184 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 1184 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 1184 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 4908 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 4908 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 4908 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 3068 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 3068 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 3068 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1808 wrote to memory of 4460 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 4460 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 4460 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 4552 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1808 wrote to memory of 4552 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1808 wrote to memory of 4552 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4552 wrote to memory of 3484 4552 cmd.exe !WannaDecryptor!.exe PID 4552 wrote to memory of 3484 4552 cmd.exe !WannaDecryptor!.exe PID 4552 wrote to memory of 3484 4552 cmd.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 2588 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 2588 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1808 wrote to memory of 2588 1808 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3484 wrote to memory of 4688 3484 !WannaDecryptor!.exe cmd.exe PID 3484 wrote to memory of 4688 3484 !WannaDecryptor!.exe cmd.exe PID 3484 wrote to memory of 4688 3484 !WannaDecryptor!.exe cmd.exe PID 4688 wrote to memory of 2172 4688 cmd.exe WMIC.exe PID 4688 wrote to memory of 2172 4688 cmd.exe WMIC.exe PID 4688 wrote to memory of 2172 4688 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:1808 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 238381715627153.bat2⤵
- Suspicious use of WriteProcessMemory
PID:688 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3964
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2472 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4144 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1184 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4908 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4460 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3484 -
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:4688 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2172 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2588
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4548
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
MD5d3d48366352cdd4d03a52330a8ccddde
SHA129eb0f889a460c9b65d6f12fcecb2d5ef9824799
SHA2562c757b248b4c665245395c12da3aaaaad411cb9ea7babd84eadc90dc69da2f13
SHA51239a784577aa36c9ecfda7c9c660bb56fbf59a42cce0d7ad93b2ee4416ec4cc6eacdaad567c6dd7640c90aa995814c517ecfca301ac1e8b5fe6e681b0abc59dbb
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Filesize
136B
MD5c4f8e7650b5baf9db758e77a915eed89
SHA1c8aa7109a7bad4708988e738862f32b691ef4ddf
SHA2561bbf8a3139ee1e9eba51da40df532061ec3da25597d1b6ef7b7947bda84ff768
SHA5129216cad2b0d4448882752274a5870b34b17ab66dc8b808ff29c96aae87563b20d5fbb054a3f4386bd94190734275b259264e069e6e630812f01933f9d3391ccc
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Filesize
136B
MD55a5cc196306e625fcd06c9642c468506
SHA1270d72350eb70d040e4a4beddd52a57256362f70
SHA25630f42a533dd041f568d0164b421d703769d656e5c5416eb3384cb38a3657cab8
SHA5123db71e9ee234f235f1145272a5bb49bd3ab94e20560b78250c55f6b30df9d9b2aa0d9e9a96ceda8c2ef5506f841029d3575162a8a1cdf0c6470b969afee19156
-
Filesize
136B
MD5829e3eb18ee477f0f419df0ffe14c2f3
SHA1ccce5b9b908f19c5f7f45f8f7a34b37a4824af8c
SHA256a810b87e8255c8c698c6bb3efbc8b1a7133d7059fd7e37804ca7b6e18bdc5bc3
SHA512a9cc73e119c663dd9b0ae77eef5651574884d671b9540e801423d81445fffe4f55b3912d1a6ec79e00145ec352b91d1c2bd9d00a5998985a2f3529f89a18babf
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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
MD5c6d140cab0d340babb565e9682b01767
SHA1cabaa79292005a6107d7674cc4e5d736df3403b0
SHA2560769944d7b30ead425ccb61e66d16eab3ec78a1494776ae58986472552555297
SHA5127231ff16eb9ca383bd53d66004a57f73751310806485e6b1b485ee9748d8f1ad1fa54078288e64e1459b3acb10a2ea483c2c385cd3fffd80c5c4c8b1c377e64a
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5