Analysis
-
max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:09
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
General
-
Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
-
Size
224KB
-
MD5
5c7fb0927db37372da25f270708103a2
-
SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
-
SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
-
SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
-
SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
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\~SD610E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6115.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1984 !WannaDecryptor!.exe 3400 !WannaDecryptor!.exe 4956 !WannaDecryptor!.exe 3172 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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-1-5-21-2804150937-2146708401-419095071-1000\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).
-
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 908 taskkill.exe 3740 taskkill.exe 4076 taskkill.exe 3992 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4076 taskkill.exe Token: SeDebugPrivilege 908 taskkill.exe Token: SeDebugPrivilege 3992 taskkill.exe Token: SeDebugPrivilege 3740 taskkill.exe Token: SeIncreaseQuotaPrivilege 824 WMIC.exe Token: SeSecurityPrivilege 824 WMIC.exe Token: SeTakeOwnershipPrivilege 824 WMIC.exe Token: SeLoadDriverPrivilege 824 WMIC.exe Token: SeSystemProfilePrivilege 824 WMIC.exe Token: SeSystemtimePrivilege 824 WMIC.exe Token: SeProfSingleProcessPrivilege 824 WMIC.exe Token: SeIncBasePriorityPrivilege 824 WMIC.exe Token: SeCreatePagefilePrivilege 824 WMIC.exe Token: SeBackupPrivilege 824 WMIC.exe Token: SeRestorePrivilege 824 WMIC.exe Token: SeShutdownPrivilege 824 WMIC.exe Token: SeDebugPrivilege 824 WMIC.exe Token: SeSystemEnvironmentPrivilege 824 WMIC.exe Token: SeRemoteShutdownPrivilege 824 WMIC.exe Token: SeUndockPrivilege 824 WMIC.exe Token: SeManageVolumePrivilege 824 WMIC.exe Token: 33 824 WMIC.exe Token: 34 824 WMIC.exe Token: 35 824 WMIC.exe Token: 36 824 WMIC.exe Token: SeIncreaseQuotaPrivilege 824 WMIC.exe Token: SeSecurityPrivilege 824 WMIC.exe Token: SeTakeOwnershipPrivilege 824 WMIC.exe Token: SeLoadDriverPrivilege 824 WMIC.exe Token: SeSystemProfilePrivilege 824 WMIC.exe Token: SeSystemtimePrivilege 824 WMIC.exe Token: SeProfSingleProcessPrivilege 824 WMIC.exe Token: SeIncBasePriorityPrivilege 824 WMIC.exe Token: SeCreatePagefilePrivilege 824 WMIC.exe Token: SeBackupPrivilege 824 WMIC.exe Token: SeRestorePrivilege 824 WMIC.exe Token: SeShutdownPrivilege 824 WMIC.exe Token: SeDebugPrivilege 824 WMIC.exe Token: SeSystemEnvironmentPrivilege 824 WMIC.exe Token: SeRemoteShutdownPrivilege 824 WMIC.exe Token: SeUndockPrivilege 824 WMIC.exe Token: SeManageVolumePrivilege 824 WMIC.exe Token: 33 824 WMIC.exe Token: 34 824 WMIC.exe Token: 35 824 WMIC.exe Token: 36 824 WMIC.exe Token: SeBackupPrivilege 4876 vssvc.exe Token: SeRestorePrivilege 4876 vssvc.exe Token: SeAuditPrivilege 4876 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1984 !WannaDecryptor!.exe 1984 !WannaDecryptor!.exe 3400 !WannaDecryptor!.exe 3400 !WannaDecryptor!.exe 4956 !WannaDecryptor!.exe 4956 !WannaDecryptor!.exe 3172 !WannaDecryptor!.exe 3172 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1256 wrote to memory of 4216 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1256 wrote to memory of 4216 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1256 wrote to memory of 4216 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4216 wrote to memory of 832 4216 cmd.exe cscript.exe PID 4216 wrote to memory of 832 4216 cmd.exe cscript.exe PID 4216 wrote to memory of 832 4216 cmd.exe cscript.exe PID 1256 wrote to memory of 1984 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 1984 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 1984 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 908 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 908 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 908 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 3740 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 3740 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 3740 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 4076 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 4076 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 4076 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 3992 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 3992 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 3992 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1256 wrote to memory of 3400 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 3400 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 3400 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 4624 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1256 wrote to memory of 4624 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1256 wrote to memory of 4624 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4624 wrote to memory of 4956 4624 cmd.exe !WannaDecryptor!.exe PID 4624 wrote to memory of 4956 4624 cmd.exe !WannaDecryptor!.exe PID 4624 wrote to memory of 4956 4624 cmd.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 3172 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 3172 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 3172 1256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4956 wrote to memory of 3644 4956 !WannaDecryptor!.exe cmd.exe PID 4956 wrote to memory of 3644 4956 !WannaDecryptor!.exe cmd.exe PID 4956 wrote to memory of 3644 4956 !WannaDecryptor!.exe cmd.exe PID 3644 wrote to memory of 824 3644 cmd.exe WMIC.exe PID 3644 wrote to memory of 824 3644 cmd.exe WMIC.exe PID 3644 wrote to memory of 824 3644 cmd.exe WMIC.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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:1256 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 265421715396964.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:832
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1984 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:908 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3740 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4076 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3992 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3400 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4956 -
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:3644 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:824 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3172
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD57fb2dfced029df67036a0d773d56693c
SHA1db066b5c677b4887fe1a3556b4f6b0db2d067796
SHA256d6c6d8a21c5812ad10e3fe4d163249e8f07cc2ecc1c32ef36a2c27857ca4445d
SHA512a2faf185712f063d3946924654a3384dca7e86435bb300674e7648d022b49ce2c8b8fe1dbbea35a4ef82ab57d10cf73a49d10990a79da9d4102d20d02bb7d3da
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5fa721f07a04f211b8d05056469aa87ad
SHA1809c5464a12507dc8c589e60620c6cb44e4bbe7b
SHA256a266181e89c1a1c025072edfa8f400bf5d67bc963e4e8754c11dacd0b2b55fac
SHA512b0e5e250fd988ba8fd8a2a0ab8e1ff888a9644d27eaddfbab0a6b91cf06eb2a670a9db89b7edd8a4cb21dbcd37f8e4fda83602bc09cd093aa9162a608cffc347
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD54759c41a239a1744f841cca30f131395
SHA1fedb30c53c9ee0d634b8e38b0dd73f05728e880b
SHA256a1dcf8359926c612dc11a03dd45f88d227c31b2ec9e409c655c13507acd77ed5
SHA512d0a99ab3680a6aedeb8c84de49d34d0c66c98c180b86c8878a73e10638e5913c7bc477a2627075c95a334ac46b29583f7996ce62e476bd385522fd97efa8cc90
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD54900ebe23377a6890a4617a5d3dae394
SHA104dbc4fb110219709d6e03048373862728d6a2bb
SHA2565f76a7afefb3a1b267da1f6122265a0ffa5aa9685ef8c67ebfe7db62cd53d237
SHA5126eca9cd18d96202699fb2696c2299ddb7002bc90c092c7bc25a46b08df8fafb646a669d31911d1fa085e9e40e7b78a3c480a79f3bc66dfe242a219c566def938
-
C:\Users\Admin\AppData\Local\Temp\265421715396964.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD5797636c72c30ad8c52ace1aec4776e59
SHA176eb9f4125046505e32623f88869b723dc1b0bbf
SHA25627680ea753aa83506bf760890ab9927ac0a003793d085e0607028311f4231bc2
SHA5121184b80e93d7767b03090108b576753176bd7144a619433af506c9c932c81e6c1fff1809cb2be7ea6dacb46578dbe24bd7899f9aca66cdbba3abb5f104fe539f
-
C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
-
memory/1256-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB