Analysis
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max time kernel
147s -
max time network
95s -
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
win7-20240508-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\~SD6D59.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6D70.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 8 !WannaDecryptor!.exe 516 !WannaDecryptor!.exe 2616 !WannaDecryptor!.exe 4516 !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 3988 taskkill.exe 1176 taskkill.exe 4492 taskkill.exe 3044 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3044 taskkill.exe Token: SeDebugPrivilege 4492 taskkill.exe Token: SeDebugPrivilege 1176 taskkill.exe Token: SeDebugPrivilege 3988 taskkill.exe Token: SeIncreaseQuotaPrivilege 5096 WMIC.exe Token: SeSecurityPrivilege 5096 WMIC.exe Token: SeTakeOwnershipPrivilege 5096 WMIC.exe Token: SeLoadDriverPrivilege 5096 WMIC.exe Token: SeSystemProfilePrivilege 5096 WMIC.exe Token: SeSystemtimePrivilege 5096 WMIC.exe Token: SeProfSingleProcessPrivilege 5096 WMIC.exe Token: SeIncBasePriorityPrivilege 5096 WMIC.exe Token: SeCreatePagefilePrivilege 5096 WMIC.exe Token: SeBackupPrivilege 5096 WMIC.exe Token: SeRestorePrivilege 5096 WMIC.exe Token: SeShutdownPrivilege 5096 WMIC.exe Token: SeDebugPrivilege 5096 WMIC.exe Token: SeSystemEnvironmentPrivilege 5096 WMIC.exe Token: SeRemoteShutdownPrivilege 5096 WMIC.exe Token: SeUndockPrivilege 5096 WMIC.exe Token: SeManageVolumePrivilege 5096 WMIC.exe Token: 33 5096 WMIC.exe Token: 34 5096 WMIC.exe Token: 35 5096 WMIC.exe Token: 36 5096 WMIC.exe Token: SeIncreaseQuotaPrivilege 5096 WMIC.exe Token: SeSecurityPrivilege 5096 WMIC.exe Token: SeTakeOwnershipPrivilege 5096 WMIC.exe Token: SeLoadDriverPrivilege 5096 WMIC.exe Token: SeSystemProfilePrivilege 5096 WMIC.exe Token: SeSystemtimePrivilege 5096 WMIC.exe Token: SeProfSingleProcessPrivilege 5096 WMIC.exe Token: SeIncBasePriorityPrivilege 5096 WMIC.exe Token: SeCreatePagefilePrivilege 5096 WMIC.exe Token: SeBackupPrivilege 5096 WMIC.exe Token: SeRestorePrivilege 5096 WMIC.exe Token: SeShutdownPrivilege 5096 WMIC.exe Token: SeDebugPrivilege 5096 WMIC.exe Token: SeSystemEnvironmentPrivilege 5096 WMIC.exe Token: SeRemoteShutdownPrivilege 5096 WMIC.exe Token: SeUndockPrivilege 5096 WMIC.exe Token: SeManageVolumePrivilege 5096 WMIC.exe Token: 33 5096 WMIC.exe Token: 34 5096 WMIC.exe Token: 35 5096 WMIC.exe Token: 36 5096 WMIC.exe Token: SeBackupPrivilege 4324 vssvc.exe Token: SeRestorePrivilege 4324 vssvc.exe Token: SeAuditPrivilege 4324 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 8 !WannaDecryptor!.exe 8 !WannaDecryptor!.exe 516 !WannaDecryptor!.exe 516 !WannaDecryptor!.exe 2616 !WannaDecryptor!.exe 2616 !WannaDecryptor!.exe 4516 !WannaDecryptor!.exe 4516 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2288 wrote to memory of 2876 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2288 wrote to memory of 2876 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2288 wrote to memory of 2876 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2876 wrote to memory of 4544 2876 cmd.exe cscript.exe PID 2876 wrote to memory of 4544 2876 cmd.exe cscript.exe PID 2876 wrote to memory of 4544 2876 cmd.exe cscript.exe PID 2288 wrote to memory of 8 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 8 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 8 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 3044 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 3044 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 3044 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 1176 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 1176 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 1176 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 3988 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 3988 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 3988 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 4492 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 4492 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 4492 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2288 wrote to memory of 516 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 516 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 516 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 1348 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2288 wrote to memory of 1348 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2288 wrote to memory of 1348 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1348 wrote to memory of 2616 1348 cmd.exe !WannaDecryptor!.exe PID 1348 wrote to memory of 2616 1348 cmd.exe !WannaDecryptor!.exe PID 1348 wrote to memory of 2616 1348 cmd.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 4516 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 4516 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 4516 2288 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2616 wrote to memory of 2016 2616 !WannaDecryptor!.exe cmd.exe PID 2616 wrote to memory of 2016 2616 !WannaDecryptor!.exe cmd.exe PID 2616 wrote to memory of 2016 2616 !WannaDecryptor!.exe cmd.exe PID 2016 wrote to memory of 5096 2016 cmd.exe WMIC.exe PID 2016 wrote to memory of 5096 2016 cmd.exe WMIC.exe PID 2016 wrote to memory of 5096 2016 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:2288 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 41331715627162.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4544
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:8 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3044 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1176 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3988 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4492 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:516 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
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:2016 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5096 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4516
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4324
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
MD585813f3557f2835a8ebfced76c7100f9
SHA1f364eb13961d45ec6dd770a33121945939730f0e
SHA256fbee4bf3d03da512fd18fe8f9d8d5d582403cf7915758163d65025a57267d47c
SHA512dbb9a59afb751bfb48a8ce329dea464c1c2ad6eb247ba9c1e0218388b81ea8eceb54efad88ebc9f1d961cca656a5e0f98cb2e7557fdb476e80f458c172b1323f
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Filesize
136B
MD5fcbc5eb8f9e485bb9d07a853c0831fd5
SHA1b1f345962ceebd4e08c49993019d867f7867fb5f
SHA256d4d410e78f4e256ede824f558b0d38a53d97bbb8f523376853dfe9c614cfae44
SHA512d07dfe85990b914f727a1c5c2c3675d62771578915271d25f117375af031c7b9f14eaa851345e98a327b9f75a5a9290664d8e9714384ef8ac7804d0e102ce17d
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Filesize
136B
MD58008dd189699d47f8072225b8494390a
SHA1c16cca8cb2bd181dba69c1666d96a9352dbfdd9c
SHA2560caa4449eb2d422cf638bdafa5818576805a5026c15b8d864416d686fcec1ad0
SHA5126b7995b1f9d9a7aa199a0c2e04dd3d5ea99e45efe38d81140c9e9e47275f7f6125721ffc4b748f217f95402db8f123d990b4d13afc711fd96f81021066364587
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Filesize
136B
MD5730ba23aed7548ba08da39abc9367ad6
SHA1cb871bf1c58e3d0f8a238992fbfcc83c834dd876
SHA2567a72be06e5d9ad0464b23b5d5db55790e5c6e589a193ccf541263efafbfab960
SHA512dde00ec0b6d7ed5892613c94448ae6531a9ea7307f7691bf42da432bf08e5e398f2ba569758198b38bf1b7c5be855c7cbc3dedc4e1f1cf10d7d47547fbe7a9f4
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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
MD56a0fb95ce1fb28b11cfda5e9f2e1584d
SHA1bab746aa734e0e2b7ad503008e9709147272e35d
SHA25668e1f84937fa7b6f4f7af538b11a28ebd3213f304155d6d5ff9dc5638004fcd4
SHA512ffce1cf2c56d5850e17f689fd960a95680cbc4008d635fb535b1b424aca56d3d4f4dc549a69c155baf5705fbe57293dd6a88f8732d21add906eb00d4356ef41c
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5