Analysis
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max time kernel
148s -
max time network
147s -
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 19:05
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-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\~SD881B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD8832.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 992 !WannaDecryptor!.exe 224 !WannaDecryptor!.exe 4936 !WannaDecryptor!.exe 1460 !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-1-5-21-1162180587-977231257-2194346871-1000\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
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 1916 taskkill.exe 4760 taskkill.exe 3872 taskkill.exe 2960 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4760 taskkill.exe Token: SeDebugPrivilege 3872 taskkill.exe Token: SeDebugPrivilege 2960 taskkill.exe Token: SeDebugPrivilege 1916 taskkill.exe Token: SeIncreaseQuotaPrivilege 4452 WMIC.exe Token: SeSecurityPrivilege 4452 WMIC.exe Token: SeTakeOwnershipPrivilege 4452 WMIC.exe Token: SeLoadDriverPrivilege 4452 WMIC.exe Token: SeSystemProfilePrivilege 4452 WMIC.exe Token: SeSystemtimePrivilege 4452 WMIC.exe Token: SeProfSingleProcessPrivilege 4452 WMIC.exe Token: SeIncBasePriorityPrivilege 4452 WMIC.exe Token: SeCreatePagefilePrivilege 4452 WMIC.exe Token: SeBackupPrivilege 4452 WMIC.exe Token: SeRestorePrivilege 4452 WMIC.exe Token: SeShutdownPrivilege 4452 WMIC.exe Token: SeDebugPrivilege 4452 WMIC.exe Token: SeSystemEnvironmentPrivilege 4452 WMIC.exe Token: SeRemoteShutdownPrivilege 4452 WMIC.exe Token: SeUndockPrivilege 4452 WMIC.exe Token: SeManageVolumePrivilege 4452 WMIC.exe Token: 33 4452 WMIC.exe Token: 34 4452 WMIC.exe Token: 35 4452 WMIC.exe Token: 36 4452 WMIC.exe Token: SeIncreaseQuotaPrivilege 4452 WMIC.exe Token: SeSecurityPrivilege 4452 WMIC.exe Token: SeTakeOwnershipPrivilege 4452 WMIC.exe Token: SeLoadDriverPrivilege 4452 WMIC.exe Token: SeSystemProfilePrivilege 4452 WMIC.exe Token: SeSystemtimePrivilege 4452 WMIC.exe Token: SeProfSingleProcessPrivilege 4452 WMIC.exe Token: SeIncBasePriorityPrivilege 4452 WMIC.exe Token: SeCreatePagefilePrivilege 4452 WMIC.exe Token: SeBackupPrivilege 4452 WMIC.exe Token: SeRestorePrivilege 4452 WMIC.exe Token: SeShutdownPrivilege 4452 WMIC.exe Token: SeDebugPrivilege 4452 WMIC.exe Token: SeSystemEnvironmentPrivilege 4452 WMIC.exe Token: SeRemoteShutdownPrivilege 4452 WMIC.exe Token: SeUndockPrivilege 4452 WMIC.exe Token: SeManageVolumePrivilege 4452 WMIC.exe Token: 33 4452 WMIC.exe Token: 34 4452 WMIC.exe Token: 35 4452 WMIC.exe Token: 36 4452 WMIC.exe Token: SeBackupPrivilege 3320 vssvc.exe Token: SeRestorePrivilege 3320 vssvc.exe Token: SeAuditPrivilege 3320 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 992 !WannaDecryptor!.exe 992 !WannaDecryptor!.exe 224 !WannaDecryptor!.exe 224 !WannaDecryptor!.exe 4936 !WannaDecryptor!.exe 4936 !WannaDecryptor!.exe 1460 !WannaDecryptor!.exe 1460 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1988 wrote to memory of 3576 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1988 wrote to memory of 3576 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1988 wrote to memory of 3576 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3576 wrote to memory of 3728 3576 cmd.exe cscript.exe PID 3576 wrote to memory of 3728 3576 cmd.exe cscript.exe PID 3576 wrote to memory of 3728 3576 cmd.exe cscript.exe PID 1988 wrote to memory of 992 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 992 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 992 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 2960 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 2960 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 2960 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 3872 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 3872 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 3872 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 4760 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 4760 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 4760 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 1916 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 1916 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 1916 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1988 wrote to memory of 224 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 224 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 224 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 2288 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1988 wrote to memory of 2288 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1988 wrote to memory of 2288 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2288 wrote to memory of 4936 2288 cmd.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 4936 2288 cmd.exe !WannaDecryptor!.exe PID 2288 wrote to memory of 4936 2288 cmd.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 1460 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 1460 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1988 wrote to memory of 1460 1988 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4936 wrote to memory of 3872 4936 !WannaDecryptor!.exe cmd.exe PID 4936 wrote to memory of 3872 4936 !WannaDecryptor!.exe cmd.exe PID 4936 wrote to memory of 3872 4936 !WannaDecryptor!.exe cmd.exe PID 3872 wrote to memory of 4452 3872 cmd.exe WMIC.exe PID 3872 wrote to memory of 4452 3872 cmd.exe WMIC.exe PID 3872 wrote to memory of 4452 3872 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:1988 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 241341715627146.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3728
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:992 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2960 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3872 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4760 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:224 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4936 -
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:3872 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4452 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1460
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3320
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
MD51dbf485cb35552f7ec72ccb9a0266b1a
SHA1889ec2b2f098709c8d7d239ac6c5becdb73b446d
SHA2560af14f23608a9ade9c121ceb344412a850efb76740cda00c0843c410d11217e4
SHA5120c91a330d692868006da0c01fa1f4cd4752ea8231cba3dfbc08aa084e82b146af925d60fb3b7784fa3e01e9cd96997fb5e81eb0b19378059355ac01250bf8a12
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Filesize
136B
MD5fe30251cb02cda7f287145b4b0ea0903
SHA1a93b6dcde24298e23115acc6ab102c6e81c1fb2a
SHA256b1844d111dabd6624e731eca5a0e9e3d00738663de27a33e7a5a38e0ac9cbda8
SHA512f87a822aa26de9762e600de6c36d0db61be44b4cc37ec073289a26663b8f406a38667abe4652319b390a4a25940c2ba15d0007068e8730dfd948d5afc5309cf7
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Filesize
136B
MD50731890e8af1f2f6997fdff6c03069f7
SHA1b40518e05a10eb9af9413c357e688b9746fb61c9
SHA2569ae76137c203ea3594c49e098cb4f65a7ba65e66d071d125a2e428aa7cd6693f
SHA512e0abd858db0af48a70870b078bc72b56db45c8139dd3a1dcca86f1f2864afb25a345e3c3e60de95b4c3c35ec3b2289fac01dd78e0f5f5b3e630599980f248b90
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Filesize
136B
MD54a2dc75b95cc810c4140e5a55ff64513
SHA19585a26e5628401ba85f655cf821f502cf607ff2
SHA25663f2b2233c5945a7430dd5de8aa063d7269a8154e4159887353aee2099a4d580
SHA5125a7468749ceeb080d76dac6daff464c3ec5f8adec90ef59a1d403d27087ac655084a2c498d4e7d07cc779159e21389655e2e2cb8e524b533fe98f00db3227af7
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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
MD51ea2b84fecf79f670400cd20c2e5b5ec
SHA1598de4a9f2f4d6c34090deaa3a5d133a48925eff
SHA256eff6208598086381ce54ef750ad3e5c512c955319dd4b2a0329047e9773cd8f1
SHA5127c15cb5b299cf17af79aeb5e59c3f9cf2f5fd2040af2cfdfed156cbe86d5bfaafa8a226cbb6d8c4de86a52d4791b31967bb75d44e8a0f1881b7726cc9c0035e8
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5