Analysis
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max time kernel
142s -
max time network
157s -
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
win7-20231129-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\~SD595A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5971.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4760 !WannaDecryptor!.exe 1864 !WannaDecryptor!.exe 4100 !WannaDecryptor!.exe 3588 !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-1-5-21-3906287020-2915474608-1755617787-1000\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 2508 taskkill.exe 4420 taskkill.exe 2444 taskkill.exe 2420 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2420 taskkill.exe Token: SeDebugPrivilege 2508 taskkill.exe Token: SeDebugPrivilege 4420 taskkill.exe Token: SeDebugPrivilege 2444 taskkill.exe Token: SeIncreaseQuotaPrivilege 1848 WMIC.exe Token: SeSecurityPrivilege 1848 WMIC.exe Token: SeTakeOwnershipPrivilege 1848 WMIC.exe Token: SeLoadDriverPrivilege 1848 WMIC.exe Token: SeSystemProfilePrivilege 1848 WMIC.exe Token: SeSystemtimePrivilege 1848 WMIC.exe Token: SeProfSingleProcessPrivilege 1848 WMIC.exe Token: SeIncBasePriorityPrivilege 1848 WMIC.exe Token: SeCreatePagefilePrivilege 1848 WMIC.exe Token: SeBackupPrivilege 1848 WMIC.exe Token: SeRestorePrivilege 1848 WMIC.exe Token: SeShutdownPrivilege 1848 WMIC.exe Token: SeDebugPrivilege 1848 WMIC.exe Token: SeSystemEnvironmentPrivilege 1848 WMIC.exe Token: SeRemoteShutdownPrivilege 1848 WMIC.exe Token: SeUndockPrivilege 1848 WMIC.exe Token: SeManageVolumePrivilege 1848 WMIC.exe Token: 33 1848 WMIC.exe Token: 34 1848 WMIC.exe Token: 35 1848 WMIC.exe Token: 36 1848 WMIC.exe Token: SeIncreaseQuotaPrivilege 1848 WMIC.exe Token: SeSecurityPrivilege 1848 WMIC.exe Token: SeTakeOwnershipPrivilege 1848 WMIC.exe Token: SeLoadDriverPrivilege 1848 WMIC.exe Token: SeSystemProfilePrivilege 1848 WMIC.exe Token: SeSystemtimePrivilege 1848 WMIC.exe Token: SeProfSingleProcessPrivilege 1848 WMIC.exe Token: SeIncBasePriorityPrivilege 1848 WMIC.exe Token: SeCreatePagefilePrivilege 1848 WMIC.exe Token: SeBackupPrivilege 1848 WMIC.exe Token: SeRestorePrivilege 1848 WMIC.exe Token: SeShutdownPrivilege 1848 WMIC.exe Token: SeDebugPrivilege 1848 WMIC.exe Token: SeSystemEnvironmentPrivilege 1848 WMIC.exe Token: SeRemoteShutdownPrivilege 1848 WMIC.exe Token: SeUndockPrivilege 1848 WMIC.exe Token: SeManageVolumePrivilege 1848 WMIC.exe Token: 33 1848 WMIC.exe Token: 34 1848 WMIC.exe Token: 35 1848 WMIC.exe Token: 36 1848 WMIC.exe Token: SeBackupPrivilege 216 vssvc.exe Token: SeRestorePrivilege 216 vssvc.exe Token: SeAuditPrivilege 216 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4760 !WannaDecryptor!.exe 4760 !WannaDecryptor!.exe 1864 !WannaDecryptor!.exe 1864 !WannaDecryptor!.exe 4100 !WannaDecryptor!.exe 4100 !WannaDecryptor!.exe 3588 !WannaDecryptor!.exe 3588 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1116 wrote to memory of 4660 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1116 wrote to memory of 4660 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1116 wrote to memory of 4660 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4660 wrote to memory of 1652 4660 cmd.exe cscript.exe PID 4660 wrote to memory of 1652 4660 cmd.exe cscript.exe PID 4660 wrote to memory of 1652 4660 cmd.exe cscript.exe PID 1116 wrote to memory of 4760 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 4760 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 4760 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 2420 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2420 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2420 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2444 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2444 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2444 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 4420 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 4420 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 4420 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2508 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2508 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 2508 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1116 wrote to memory of 1864 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 1864 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 1864 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 548 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1116 wrote to memory of 548 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1116 wrote to memory of 548 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 548 wrote to memory of 4100 548 cmd.exe !WannaDecryptor!.exe PID 548 wrote to memory of 4100 548 cmd.exe !WannaDecryptor!.exe PID 548 wrote to memory of 4100 548 cmd.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 3588 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 3588 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1116 wrote to memory of 3588 1116 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4100 wrote to memory of 2288 4100 !WannaDecryptor!.exe cmd.exe PID 4100 wrote to memory of 2288 4100 !WannaDecryptor!.exe cmd.exe PID 4100 wrote to memory of 2288 4100 !WannaDecryptor!.exe cmd.exe PID 2288 wrote to memory of 1848 2288 cmd.exe WMIC.exe PID 2288 wrote to memory of 1848 2288 cmd.exe WMIC.exe PID 2288 wrote to memory of 1848 2288 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:1116 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 138361715627135.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1652
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4760 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2420 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2444 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4420 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2508 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1864 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4100 -
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:2288 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3588
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:216
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
MD559cde9cb8ce61f24d35d24fb48705710
SHA1e5e94b11ac9e3b1df6b847abf1fdc1e594c41c45
SHA256d8ae1603a7f6cd1133bd6c973410bf5bc587cb5817ef1ae836f6a72b09ecb5ee
SHA51245ace94039ab91e99d46cccc4b56ba034436cd93c446a80d21dc8687b346347c23e82f4eec4d676424e15b28b804f9e94e278b0dacac5876fba443858afb25f4
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Filesize
136B
MD5a39d4bd8efc0591a15d4b092883d2eac
SHA1caa0a90b8ca8c62ecdf5f012b7f0eed325d9127a
SHA2563cc7467d69a59e9fd6fd412f8533a8b712a1916e5be00119befcda70077f2a2e
SHA51264a9c8ad913f1feea1051a09f096533b8daf2d73baf6f3a71c844fae3c6ca6cd3b172bd3256e03ac017458d392bd7d406154ff9eab2df5bcb6de5726b01f52eb
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Filesize
136B
MD570d117b84662a21d1c95c3ea254debe9
SHA1f0d8c4f133bc8b43c6e09d84bed159be274ddcbf
SHA25651d439f1ea2053932123bb0b952fd6c111dd3efa64288ddeef0e7765aecbd111
SHA512d3abdd338d4d63158669454f21b5c151a1449a2ec6886b3840e4a88c7d7d28f509eeecea614feef9ed95709ffa58832aaa9f5d7204f86dd2298a2114d8593a84
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Filesize
136B
MD52e00225f19a27bd70bb01e3db91cb8dd
SHA11cfdb82e78b5ddd9d07e2845622c36da9341c8d2
SHA256207d666a8ea8e60d4b1d1727c58301e94bb5194539ba58b42a8088d83e4bb773
SHA512fe122c655402bb96df3d1195415c9dc5c9fdd3cb00cdf50211a495704c41496a116a41fc18a3c702709e2452a47ff01eca66a532655209335524a5233f5757db
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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
MD540413887420630158a0efe3137982d9b
SHA185f7ba441b1280fa85433f39cd1f89e2cf28ee6e
SHA256ff7ab7d9b63cf901b53f779a855023c5762f8c17b2e452ffe9d5e24a3b85abad
SHA51282fe69ea49b339652bb80b9d68876f7384601c56fc7a970fb36caac86bd0bff1702d35ca1bd683a35193b133778c1710e1ba9326693babff99c86453898f9835
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5