Analysis
-
max time kernel
147s -
max time network
102s -
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 03:04
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\~SD5FF7.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6463.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2228 !WannaDecryptor!.exe 2224 !WannaDecryptor!.exe 2608 !WannaDecryptor!.exe 516 !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-1-5-21-3558294865-3673844354-2255444939-1000\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 4808 taskkill.exe 3728 taskkill.exe 5100 taskkill.exe 1684 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3728 taskkill.exe Token: SeDebugPrivilege 5100 taskkill.exe Token: SeDebugPrivilege 4808 taskkill.exe Token: SeDebugPrivilege 1684 taskkill.exe Token: SeIncreaseQuotaPrivilege 1044 WMIC.exe Token: SeSecurityPrivilege 1044 WMIC.exe Token: SeTakeOwnershipPrivilege 1044 WMIC.exe Token: SeLoadDriverPrivilege 1044 WMIC.exe Token: SeSystemProfilePrivilege 1044 WMIC.exe Token: SeSystemtimePrivilege 1044 WMIC.exe Token: SeProfSingleProcessPrivilege 1044 WMIC.exe Token: SeIncBasePriorityPrivilege 1044 WMIC.exe Token: SeCreatePagefilePrivilege 1044 WMIC.exe Token: SeBackupPrivilege 1044 WMIC.exe Token: SeRestorePrivilege 1044 WMIC.exe Token: SeShutdownPrivilege 1044 WMIC.exe Token: SeDebugPrivilege 1044 WMIC.exe Token: SeSystemEnvironmentPrivilege 1044 WMIC.exe Token: SeRemoteShutdownPrivilege 1044 WMIC.exe Token: SeUndockPrivilege 1044 WMIC.exe Token: SeManageVolumePrivilege 1044 WMIC.exe Token: 33 1044 WMIC.exe Token: 34 1044 WMIC.exe Token: 35 1044 WMIC.exe Token: 36 1044 WMIC.exe Token: SeIncreaseQuotaPrivilege 1044 WMIC.exe Token: SeSecurityPrivilege 1044 WMIC.exe Token: SeTakeOwnershipPrivilege 1044 WMIC.exe Token: SeLoadDriverPrivilege 1044 WMIC.exe Token: SeSystemProfilePrivilege 1044 WMIC.exe Token: SeSystemtimePrivilege 1044 WMIC.exe Token: SeProfSingleProcessPrivilege 1044 WMIC.exe Token: SeIncBasePriorityPrivilege 1044 WMIC.exe Token: SeCreatePagefilePrivilege 1044 WMIC.exe Token: SeBackupPrivilege 1044 WMIC.exe Token: SeRestorePrivilege 1044 WMIC.exe Token: SeShutdownPrivilege 1044 WMIC.exe Token: SeDebugPrivilege 1044 WMIC.exe Token: SeSystemEnvironmentPrivilege 1044 WMIC.exe Token: SeRemoteShutdownPrivilege 1044 WMIC.exe Token: SeUndockPrivilege 1044 WMIC.exe Token: SeManageVolumePrivilege 1044 WMIC.exe Token: 33 1044 WMIC.exe Token: 34 1044 WMIC.exe Token: 35 1044 WMIC.exe Token: 36 1044 WMIC.exe Token: SeBackupPrivilege 4040 vssvc.exe Token: SeRestorePrivilege 4040 vssvc.exe Token: SeAuditPrivilege 4040 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2228 !WannaDecryptor!.exe 2228 !WannaDecryptor!.exe 2224 !WannaDecryptor!.exe 2224 !WannaDecryptor!.exe 2608 !WannaDecryptor!.exe 2608 !WannaDecryptor!.exe 516 !WannaDecryptor!.exe 516 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3444 wrote to memory of 412 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3444 wrote to memory of 412 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3444 wrote to memory of 412 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 412 wrote to memory of 428 412 cmd.exe cscript.exe PID 412 wrote to memory of 428 412 cmd.exe cscript.exe PID 412 wrote to memory of 428 412 cmd.exe cscript.exe PID 3444 wrote to memory of 2228 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 2228 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 2228 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 3728 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 3728 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 3728 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 5100 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 5100 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 5100 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 1684 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 1684 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 1684 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 4808 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 4808 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 4808 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3444 wrote to memory of 2224 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 2224 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 2224 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 4268 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3444 wrote to memory of 4268 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3444 wrote to memory of 4268 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4268 wrote to memory of 2608 4268 cmd.exe !WannaDecryptor!.exe PID 4268 wrote to memory of 2608 4268 cmd.exe !WannaDecryptor!.exe PID 4268 wrote to memory of 2608 4268 cmd.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 516 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 516 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3444 wrote to memory of 516 3444 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2608 wrote to memory of 3404 2608 !WannaDecryptor!.exe cmd.exe PID 2608 wrote to memory of 3404 2608 !WannaDecryptor!.exe cmd.exe PID 2608 wrote to memory of 3404 2608 !WannaDecryptor!.exe cmd.exe PID 3404 wrote to memory of 1044 3404 cmd.exe WMIC.exe PID 3404 wrote to memory of 1044 3404 cmd.exe WMIC.exe PID 3404 wrote to memory of 1044 3404 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:3444 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 286351715396660.bat2⤵
- Suspicious use of WriteProcessMemory
PID:412 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:428
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2228 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3728 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5100 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1684 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4808 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2224 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608 -
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:3404 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1044 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:516
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4040
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
MD5fad5c5c03c9405fb59776e284f65e0fc
SHA1d28b868faf21922d1267c10345f57e516bcb6c79
SHA256fa25dd0316c1f7f85997d50c55a3b60541f26a8d50aa92507bc33d04e6f70323
SHA51234a4febff954ba4acbb681c016562922cf2cc5ec8ad0ddb39d6af1ec5473dc68ad3f6cef87101815fdfe4d1810ae91a65c39ecb40d93ec3866c330ba2d416f20
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5ce77140496413a73453735e08c0cc6e5
SHA1e1d4f67db890d9a84cf40d163fc6030bd469b12a
SHA2565ff316e462660f2681f996c51d202c0a949f4d1fc093b194dc3d21a51cd1bcb1
SHA5122332071792d2cf19b2018ea761533124d339fe481a2745bfd409205d940dae55db8af06cfedd91bce9336117c882f7fc2304a34435419231a1d9896608b0f298
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5c95e9c2e56e3b1cb21650cbd7fd3baa6
SHA1217668aa882f0e954b1792fc6226f8d3fdff304d
SHA256a05d09c52a571d96814da2ae6678b6d70b144a64846135c1909ba4c2e608bff8
SHA512a2235664bf4ff588fa5c48089871819ddfcccfcabfc52179691e01218577dd4701c0ffcd006ca29e2d1ce0d4240d31c6431dacd6b1974ac62be15e113db41c1e
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD52d183b713462d0f5f01d9b7f0fdaef26
SHA19030785a67a0bfc321e7e0c834021d328ccc640d
SHA2568b3b5cf78fb43752be6c70c56c0c8aa582a06467611728da03eb67525fcba6eb
SHA512b31d876ed72546238edf64d3607fe08f1b50c468db898a1dc62009e3b4c43ed27f3b44a7497e5db7d403814d0cc3d5df95ce61a844b33559a1a8d6c1b62ccb30
-
C:\Users\Admin\AppData\Local\Temp\286351715396660.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
MD54044009ef31755e84c09a409b41bcc9d
SHA13bb0a541d60ebbb3751322090011c30dbb564224
SHA2561ae26dbc72a2f79bf278eccbdee25cae9e5f87f273da8bab4ff1af3322a0f9ff
SHA51234ff8d7fce28c484d15b86dce42cf53be3aff6595b72127cd0127b94a64cda35a84c8c340c25da04d7c9030d6ee3be1a844c5b1166fade1a98fe683b4d2e0e12
-
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/3444-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB