Analysis
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max time kernel
148s -
max time network
152s -
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
win7-20240419-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
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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\~SD7325.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD733C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3188 !WannaDecryptor!.exe 3192 !WannaDecryptor!.exe 4964 !WannaDecryptor!.exe 4016 !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-1-5-21-3571316656-3665257725-2415531812-1000\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 2056 taskkill.exe 4836 taskkill.exe 3872 taskkill.exe 2764 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4836 taskkill.exe Token: SeDebugPrivilege 2764 taskkill.exe Token: SeDebugPrivilege 2056 taskkill.exe Token: SeDebugPrivilege 3872 taskkill.exe Token: SeIncreaseQuotaPrivilege 536 WMIC.exe Token: SeSecurityPrivilege 536 WMIC.exe Token: SeTakeOwnershipPrivilege 536 WMIC.exe Token: SeLoadDriverPrivilege 536 WMIC.exe Token: SeSystemProfilePrivilege 536 WMIC.exe Token: SeSystemtimePrivilege 536 WMIC.exe Token: SeProfSingleProcessPrivilege 536 WMIC.exe Token: SeIncBasePriorityPrivilege 536 WMIC.exe Token: SeCreatePagefilePrivilege 536 WMIC.exe Token: SeBackupPrivilege 536 WMIC.exe Token: SeRestorePrivilege 536 WMIC.exe Token: SeShutdownPrivilege 536 WMIC.exe Token: SeDebugPrivilege 536 WMIC.exe Token: SeSystemEnvironmentPrivilege 536 WMIC.exe Token: SeRemoteShutdownPrivilege 536 WMIC.exe Token: SeUndockPrivilege 536 WMIC.exe Token: SeManageVolumePrivilege 536 WMIC.exe Token: 33 536 WMIC.exe Token: 34 536 WMIC.exe Token: 35 536 WMIC.exe Token: 36 536 WMIC.exe Token: SeIncreaseQuotaPrivilege 536 WMIC.exe Token: SeSecurityPrivilege 536 WMIC.exe Token: SeTakeOwnershipPrivilege 536 WMIC.exe Token: SeLoadDriverPrivilege 536 WMIC.exe Token: SeSystemProfilePrivilege 536 WMIC.exe Token: SeSystemtimePrivilege 536 WMIC.exe Token: SeProfSingleProcessPrivilege 536 WMIC.exe Token: SeIncBasePriorityPrivilege 536 WMIC.exe Token: SeCreatePagefilePrivilege 536 WMIC.exe Token: SeBackupPrivilege 536 WMIC.exe Token: SeRestorePrivilege 536 WMIC.exe Token: SeShutdownPrivilege 536 WMIC.exe Token: SeDebugPrivilege 536 WMIC.exe Token: SeSystemEnvironmentPrivilege 536 WMIC.exe Token: SeRemoteShutdownPrivilege 536 WMIC.exe Token: SeUndockPrivilege 536 WMIC.exe Token: SeManageVolumePrivilege 536 WMIC.exe Token: 33 536 WMIC.exe Token: 34 536 WMIC.exe Token: 35 536 WMIC.exe Token: 36 536 WMIC.exe Token: SeBackupPrivilege 4680 vssvc.exe Token: SeRestorePrivilege 4680 vssvc.exe Token: SeAuditPrivilege 4680 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3188 !WannaDecryptor!.exe 3188 !WannaDecryptor!.exe 3192 !WannaDecryptor!.exe 3192 !WannaDecryptor!.exe 4964 !WannaDecryptor!.exe 4964 !WannaDecryptor!.exe 4016 !WannaDecryptor!.exe 4016 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 232 wrote to memory of 3644 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 232 wrote to memory of 3644 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 232 wrote to memory of 3644 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3644 wrote to memory of 1876 3644 cmd.exe cscript.exe PID 3644 wrote to memory of 1876 3644 cmd.exe cscript.exe PID 3644 wrote to memory of 1876 3644 cmd.exe cscript.exe PID 232 wrote to memory of 3188 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 3188 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 3188 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 2056 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 2056 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 2056 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 2764 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 2764 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 2764 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 3872 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 3872 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 3872 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 4836 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 4836 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 4836 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 232 wrote to memory of 3192 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 3192 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 3192 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 2200 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 232 wrote to memory of 2200 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 232 wrote to memory of 2200 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2200 wrote to memory of 4964 2200 cmd.exe !WannaDecryptor!.exe PID 2200 wrote to memory of 4964 2200 cmd.exe !WannaDecryptor!.exe PID 2200 wrote to memory of 4964 2200 cmd.exe !WannaDecryptor!.exe PID 232 wrote to memory of 4016 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 4016 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 232 wrote to memory of 4016 232 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4964 wrote to memory of 4708 4964 !WannaDecryptor!.exe cmd.exe PID 4964 wrote to memory of 4708 4964 !WannaDecryptor!.exe cmd.exe PID 4964 wrote to memory of 4708 4964 !WannaDecryptor!.exe cmd.exe PID 4708 wrote to memory of 536 4708 cmd.exe WMIC.exe PID 4708 wrote to memory of 536 4708 cmd.exe WMIC.exe PID 4708 wrote to memory of 536 4708 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:232 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 72971715627138.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1876
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3188 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2056 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2764 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3872 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4836 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3192 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964 -
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:4708 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:536 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4016
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4680
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
MD5fbc869e3b79f1126ed4b7a2d8bc53bcc
SHA1ad28746704e72fec0a8460ebcea1f2b8ee19af22
SHA2562573ec3f42f1e329e6ef81426ed39b1983934459754708a39ff05fa69ccc1491
SHA51250b65079fb1560a58ce10ac3971e1b55160c4590ad7f9d1d96be0d1ed8c1b8fdd2e649fc731f751be5162253c0a72c99bae761ce8f1e8fd010068526db69a194
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Filesize
136B
MD5c78f6d5e613bdf3b61212403670ba89c
SHA15f6ac777825a9c7d1b0f08b66777992b2c50f489
SHA256798e316e46997c7338232ebb1d93c47bb5de58b2dd012568b7b2c80086cf5711
SHA51269c274db03daad40c973fed42986f66f43ba4927a4d2ea3901620c18bfa042a8adbf9ff697b4792751e5e437f08b6a044d237b2fc5c77d357ec3205a56ae1fa8
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Filesize
136B
MD558c800b6107af14c3a60e208511aae12
SHA1bff856168ddc5b607212ab6e29050b9553cc5691
SHA256fcc9c0fae36da6205c6cb4ea5ce3e39e075b6212e1c1259be3454b1e10ab99a7
SHA512d1da335ad14b9dc829a7b0fbb9646841a9a9f9156506097a2b580f31e183266ad4d4a347fa8a3c7e3da320c2dad20d19d18f23e913d7ec88f5dc18ca3b26501b
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Filesize
136B
MD5fa7061861f9d30b035f0c2c4c6b0e3fc
SHA1bd8ebe22ff5dc2c6b65c83fe6791f0b17b019161
SHA25647caed3bbc179c44cb0baf1e208dd6064fca5e0e7da5a3478ae8dc4d4ee21b57
SHA5129f4ef962372d28ff63cca1fde1a8ff586e42ed77c433d4321e0ef5ee27c4435e66b7ccc5967dd042fdaa850244f857628a98f1f2d287250e25f0842e6a0f231f
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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
MD53032e25ef38d0a2d9ff835fa3a51e58d
SHA17a6c95c9014915185bd9b8202b4b761cd5687a78
SHA2564b19ee8fe9a2fe1ffdb2e1bf2090ff407df3af378063da7835c1fd5b5249f844
SHA512e25d0bef6067e4c4e4352e2a896215ecc4d436b6a2a5bb2ab16ad139d9f185f43efedfd5b512100d1b9a9f400ac8928a0e12fb2e65e9416eaa6e8f4abbbc41af
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5