Analysis
-
max time kernel
148s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:04
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\~SD6526.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD684A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4672 !WannaDecryptor!.exe 3632 !WannaDecryptor!.exe 4532 !WannaDecryptor!.exe 1624 !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-1-5-21-2539840389-1261165778-1087677076-1000\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 2040 taskkill.exe 920 taskkill.exe 5116 taskkill.exe 2016 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 920 taskkill.exe Token: SeDebugPrivilege 5116 taskkill.exe Token: SeDebugPrivilege 2016 taskkill.exe Token: SeDebugPrivilege 2040 taskkill.exe Token: SeIncreaseQuotaPrivilege 2700 WMIC.exe Token: SeSecurityPrivilege 2700 WMIC.exe Token: SeTakeOwnershipPrivilege 2700 WMIC.exe Token: SeLoadDriverPrivilege 2700 WMIC.exe Token: SeSystemProfilePrivilege 2700 WMIC.exe Token: SeSystemtimePrivilege 2700 WMIC.exe Token: SeProfSingleProcessPrivilege 2700 WMIC.exe Token: SeIncBasePriorityPrivilege 2700 WMIC.exe Token: SeCreatePagefilePrivilege 2700 WMIC.exe Token: SeBackupPrivilege 2700 WMIC.exe Token: SeRestorePrivilege 2700 WMIC.exe Token: SeShutdownPrivilege 2700 WMIC.exe Token: SeDebugPrivilege 2700 WMIC.exe Token: SeSystemEnvironmentPrivilege 2700 WMIC.exe Token: SeRemoteShutdownPrivilege 2700 WMIC.exe Token: SeUndockPrivilege 2700 WMIC.exe Token: SeManageVolumePrivilege 2700 WMIC.exe Token: 33 2700 WMIC.exe Token: 34 2700 WMIC.exe Token: 35 2700 WMIC.exe Token: 36 2700 WMIC.exe Token: SeIncreaseQuotaPrivilege 2700 WMIC.exe Token: SeSecurityPrivilege 2700 WMIC.exe Token: SeTakeOwnershipPrivilege 2700 WMIC.exe Token: SeLoadDriverPrivilege 2700 WMIC.exe Token: SeSystemProfilePrivilege 2700 WMIC.exe Token: SeSystemtimePrivilege 2700 WMIC.exe Token: SeProfSingleProcessPrivilege 2700 WMIC.exe Token: SeIncBasePriorityPrivilege 2700 WMIC.exe Token: SeCreatePagefilePrivilege 2700 WMIC.exe Token: SeBackupPrivilege 2700 WMIC.exe Token: SeRestorePrivilege 2700 WMIC.exe Token: SeShutdownPrivilege 2700 WMIC.exe Token: SeDebugPrivilege 2700 WMIC.exe Token: SeSystemEnvironmentPrivilege 2700 WMIC.exe Token: SeRemoteShutdownPrivilege 2700 WMIC.exe Token: SeUndockPrivilege 2700 WMIC.exe Token: SeManageVolumePrivilege 2700 WMIC.exe Token: 33 2700 WMIC.exe Token: 34 2700 WMIC.exe Token: 35 2700 WMIC.exe Token: 36 2700 WMIC.exe Token: SeBackupPrivilege 1172 vssvc.exe Token: SeRestorePrivilege 1172 vssvc.exe Token: SeAuditPrivilege 1172 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4672 !WannaDecryptor!.exe 4672 !WannaDecryptor!.exe 3632 !WannaDecryptor!.exe 4532 !WannaDecryptor!.exe 3632 !WannaDecryptor!.exe 4532 !WannaDecryptor!.exe 1624 !WannaDecryptor!.exe 1624 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 964 wrote to memory of 452 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 964 wrote to memory of 452 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 964 wrote to memory of 452 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 452 wrote to memory of 2488 452 cmd.exe cscript.exe PID 452 wrote to memory of 2488 452 cmd.exe cscript.exe PID 452 wrote to memory of 2488 452 cmd.exe cscript.exe PID 964 wrote to memory of 4672 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 4672 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 4672 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 920 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 920 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 920 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 5116 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 5116 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 5116 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 2016 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 2016 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 2016 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 2040 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 2040 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 2040 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 964 wrote to memory of 3632 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 3632 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 3632 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 4532 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 4532 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 4532 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 964 wrote to memory of 2148 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 964 wrote to memory of 2148 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 964 wrote to memory of 2148 964 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2148 wrote to memory of 1624 2148 cmd.exe !WannaDecryptor!.exe PID 2148 wrote to memory of 1624 2148 cmd.exe !WannaDecryptor!.exe PID 2148 wrote to memory of 1624 2148 cmd.exe !WannaDecryptor!.exe PID 1624 wrote to memory of 1464 1624 !WannaDecryptor!.exe cmd.exe PID 1624 wrote to memory of 1464 1624 !WannaDecryptor!.exe cmd.exe PID 1624 wrote to memory of 1464 1624 !WannaDecryptor!.exe cmd.exe PID 1464 wrote to memory of 2700 1464 cmd.exe WMIC.exe PID 1464 wrote to memory of 2700 1464 cmd.exe WMIC.exe PID 1464 wrote to memory of 2700 1464 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:964 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 325641715627057.bat2⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2488
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4672 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:920 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5116 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2016 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3632 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4532 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1624 -
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:1464 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2700
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172
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
MD53b26aa27263e95365f46565f4753643e
SHA1631ff9e8e535e47f65333be7b4d4227549023662
SHA256196cd4da70a4dba9ead53294b272a9c66dab71bbfeb513c5623e694515adb24d
SHA51271d30b6785a772a831201394658abf82a85d9b06c92525c3657fa2a40218eb85f2e02e04826afc42493f6a72a5f06473384d5d62f42e85b06e326a6f2beed8e5
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD58953de3077f6f53453292ca080351fa7
SHA1414c6caa2ecbb2441e1020ee0a312a711accaa15
SHA2569d431c097b37f4ae9c09b5f70a353d58a626f8e69b172f04ce1f5523b5b0c895
SHA512d70a883a24935ce4a9fde4111c1998d643c432346e21eea4e98e2f50e2742905e2010d155eb4304d706204cb012e4e49a14be39006d103d57e25b1b2142aa82a
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD560450a22ca11d3526e33ddb1e89d0e63
SHA1cb290999d4ff3d712de7fa4aa1fd9b5e194f0663
SHA256ca8ec911463201df4d302bbba115fda4752a2411a312ff50f29e53da6db36c81
SHA51291e18f11a2e74175064a76e2f14a698a2361ddd338cfc8399d6dcbf91eaec23aa4cdd369358eb58d1f8c1ce3a243b51da2c0b3194a5dec59a32b5d6fa993c90e
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51da2be3c78c3abb6215bbd0bfb9532c9
SHA1d1fedf6f517c114a3b5c96bf79f83e5c133f3145
SHA25609e627ec0532ea927de71db8e228d00271dc3363f574cb29375ed834a87cf790
SHA5124c551961c001d70bb2872b89f5267b48565267fa7b1a07c105b3fb06728f0ee0cc0ce7299a026fc1d73f5203e864e313df4f96a414d7b0f9365eeffeb94bd377
-
C:\Users\Admin\AppData\Local\Temp\325641715627057.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
MD5c940f43fe033303de4ce0c0417d49909
SHA173a00dd2ea7795a11314b388564399f7eddedaf2
SHA2569b633ba0aa7ea167353bfec4b544220ff5e2afb52906b3cb60440a670b085253
SHA512d243c3fb89ee9e9982a1ee9809a4e4cba92f8de00b176148b4d2500509fdabd58664fe1725d0beadc530e2be61344d73d50b622b9bb428b5e456058898937bfe
-
C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD5663e55df21852bc8870b86bc38e58262
SHA11c691bf030ecfce78a9476fbdef3afe61724e6a9
SHA256bf22e8e18db1638673f47591a13d18ee58d8c6019314bab5a90be82ae3dc9538
SHA5126a54be1fa549633a2fd888c559207437b8f6efda98bb18d491c8749f39e9754f1e680fa8e2d623777b5f665b2c04d19385c75ce4e61fb251db16018963a9a6f9
-
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/964-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB