Resubmissions
24-09-2024 13:55
240924-q8e67a1cnb 10Analysis
-
max time kernel
262s -
max time network
260s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
24-09-2024 13:55
Static task
static1
Behavioral task
behavioral1
Sample
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe
Resource
win11-20240802-en
General
-
Target
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe
-
Size
224KB
-
MD5
75031983cb851f3475c460a40797fe62
-
SHA1
4ee0238f082123aeb7642ea2e427f57cf4ee954a
-
SHA256
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4
-
SHA512
635b72c7fb8d8b3818364a8a239941d4b4ec608f3d87ee966ce6abd599b847f2aee1e895d996391a1802a57afb41127fbc5e87020b5b280aca2066039e94ca36
-
SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/Efc:+5RwTs/dSXj84mRXPemxdBlPvLzLe
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
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDB33E.tmp 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDB355.tmp 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe -
Executes dropped EXE 4 IoCs
pid Process 4392 !WannaDecryptor!.exe 2768 !WannaDecryptor!.exe 4652 !WannaDecryptor!.exe 768 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe\" /r" 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3761892313-3378554128-2287991803-1000\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).
-
System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Kills process with taskkill 4 IoCs
pid Process 3716 taskkill.exe 3796 taskkill.exe 2340 taskkill.exe 1876 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3716 taskkill.exe Token: SeDebugPrivilege 1876 taskkill.exe Token: SeDebugPrivilege 2340 taskkill.exe Token: SeDebugPrivilege 3796 taskkill.exe Token: SeIncreaseQuotaPrivilege 4816 WMIC.exe Token: SeSecurityPrivilege 4816 WMIC.exe Token: SeTakeOwnershipPrivilege 4816 WMIC.exe Token: SeLoadDriverPrivilege 4816 WMIC.exe Token: SeSystemProfilePrivilege 4816 WMIC.exe Token: SeSystemtimePrivilege 4816 WMIC.exe Token: SeProfSingleProcessPrivilege 4816 WMIC.exe Token: SeIncBasePriorityPrivilege 4816 WMIC.exe Token: SeCreatePagefilePrivilege 4816 WMIC.exe Token: SeBackupPrivilege 4816 WMIC.exe Token: SeRestorePrivilege 4816 WMIC.exe Token: SeShutdownPrivilege 4816 WMIC.exe Token: SeDebugPrivilege 4816 WMIC.exe Token: SeSystemEnvironmentPrivilege 4816 WMIC.exe Token: SeRemoteShutdownPrivilege 4816 WMIC.exe Token: SeUndockPrivilege 4816 WMIC.exe Token: SeManageVolumePrivilege 4816 WMIC.exe Token: 33 4816 WMIC.exe Token: 34 4816 WMIC.exe Token: 35 4816 WMIC.exe Token: 36 4816 WMIC.exe Token: SeIncreaseQuotaPrivilege 4816 WMIC.exe Token: SeSecurityPrivilege 4816 WMIC.exe Token: SeTakeOwnershipPrivilege 4816 WMIC.exe Token: SeLoadDriverPrivilege 4816 WMIC.exe Token: SeSystemProfilePrivilege 4816 WMIC.exe Token: SeSystemtimePrivilege 4816 WMIC.exe Token: SeProfSingleProcessPrivilege 4816 WMIC.exe Token: SeIncBasePriorityPrivilege 4816 WMIC.exe Token: SeCreatePagefilePrivilege 4816 WMIC.exe Token: SeBackupPrivilege 4816 WMIC.exe Token: SeRestorePrivilege 4816 WMIC.exe Token: SeShutdownPrivilege 4816 WMIC.exe Token: SeDebugPrivilege 4816 WMIC.exe Token: SeSystemEnvironmentPrivilege 4816 WMIC.exe Token: SeRemoteShutdownPrivilege 4816 WMIC.exe Token: SeUndockPrivilege 4816 WMIC.exe Token: SeManageVolumePrivilege 4816 WMIC.exe Token: 33 4816 WMIC.exe Token: 34 4816 WMIC.exe Token: 35 4816 WMIC.exe Token: 36 4816 WMIC.exe Token: SeBackupPrivilege 2196 vssvc.exe Token: SeRestorePrivilege 2196 vssvc.exe Token: SeAuditPrivilege 2196 vssvc.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 4392 !WannaDecryptor!.exe 4392 !WannaDecryptor!.exe 2768 !WannaDecryptor!.exe 2768 !WannaDecryptor!.exe 4652 !WannaDecryptor!.exe 4652 !WannaDecryptor!.exe 768 !WannaDecryptor!.exe 768 !WannaDecryptor!.exe 3980 MiniSearchHost.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 812 wrote to memory of 3988 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 79 PID 812 wrote to memory of 3988 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 79 PID 812 wrote to memory of 3988 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 79 PID 3988 wrote to memory of 4068 3988 cmd.exe 81 PID 3988 wrote to memory of 4068 3988 cmd.exe 81 PID 3988 wrote to memory of 4068 3988 cmd.exe 81 PID 812 wrote to memory of 4392 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 82 PID 812 wrote to memory of 4392 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 82 PID 812 wrote to memory of 4392 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 82 PID 812 wrote to memory of 3716 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 83 PID 812 wrote to memory of 3716 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 83 PID 812 wrote to memory of 3716 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 83 PID 812 wrote to memory of 3796 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 84 PID 812 wrote to memory of 3796 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 84 PID 812 wrote to memory of 3796 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 84 PID 812 wrote to memory of 2340 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 85 PID 812 wrote to memory of 2340 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 85 PID 812 wrote to memory of 2340 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 85 PID 812 wrote to memory of 1876 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 86 PID 812 wrote to memory of 1876 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 86 PID 812 wrote to memory of 1876 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 86 PID 812 wrote to memory of 2768 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 93 PID 812 wrote to memory of 2768 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 93 PID 812 wrote to memory of 2768 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 93 PID 812 wrote to memory of 4908 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 94 PID 812 wrote to memory of 4908 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 94 PID 812 wrote to memory of 4908 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 94 PID 4908 wrote to memory of 4652 4908 cmd.exe 96 PID 4908 wrote to memory of 4652 4908 cmd.exe 96 PID 4908 wrote to memory of 4652 4908 cmd.exe 96 PID 812 wrote to memory of 768 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 98 PID 812 wrote to memory of 768 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 98 PID 812 wrote to memory of 768 812 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 98 PID 4652 wrote to memory of 2920 4652 !WannaDecryptor!.exe 99 PID 4652 wrote to memory of 2920 4652 !WannaDecryptor!.exe 99 PID 4652 wrote to memory of 2920 4652 !WannaDecryptor!.exe 99 PID 2920 wrote to memory of 4816 2920 cmd.exe 101 PID 2920 wrote to memory of 4816 2920 cmd.exe 101 PID 2920 wrote to memory of 4816 2920 cmd.exe 101 -
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\01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe"C:\Users\Admin\AppData\Local\Temp\01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 4371727186152.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:4068
-
-
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4392
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3716
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3796
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2340
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1876
-
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2768
-
-
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4652 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4816
-
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:768
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2196
-
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵
- Suspicious use of SetWindowsHookEx
PID:3980
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\!Please Read Me!.txt1⤵PID:4580
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
Filesize
1KB
MD5ba1a8591f02f94a983f87067d0deefd6
SHA18f30d150c112c271a1f53a1607d6d745d34db06a
SHA256a445db6c0d0fc7d788f84845f20314bde4585213c328cccc6bc59bb662b003eb
SHA5126ea2b780a4066ae5b3a99f837dd091ea2326fdadee0e7114f422f8f75b1a2aed3a5b62e9646ea66e72cc2ce808146b6d158e7520d491c81b4e87c3234690ded1
-
Filesize
136B
MD54d1168e5fb83a3d9cf5249265241d5e9
SHA1f46931fe881cda6a0e2512e96a026866e67466b0
SHA2560a9d4c9932e88d3f1758174ab7fd8cad54a1bf44facf44f3f3848cc15e59d9a2
SHA512017d2c51e5fe9d12522ca23bd99b510a310bdaccf9e40f01cca33cf327784ab28065e8f9f1ed2230814f73913443090054fb3c9549cf1244dfbb1be7d662b014
-
Filesize
136B
MD5af8d4a59e0982a56c0b1c17771414e61
SHA1314841bb07744134d9c9d112a0cd2ae9ba0bd8d8
SHA256ba8d2cd091fd243bcbd1800112a0a4cf9eb2661c9ceb619359c85da89926e958
SHA51232ed0ae4b71d383cf6c58e7eb2551fb9c946a0f97b45bb1ed89f03eb46cf8cec8cfce80ec41cbad3f13d41902a9bafb211b20bc579464fa875ab805479dfd36f
-
Filesize
136B
MD5fcd3fe99b2f00db6d2ab8daf9bf839d7
SHA1242103d87ab3f6fcf6cd6c468c894d44332b84d2
SHA2561a3cee5f88b47f838403e2f734dc53bdac9569d5315cc57b0b7ef011993a0741
SHA512756edf479a18db3b4cfb95e9da400b9b316c0978938ed6b9d0afd709641d0a49587fcb9b4c5ed52b0ab633381a308bc5e5c7601e860e3812d04242f87dd7b916
-
Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
Filesize
628B
MD5de307a291c380043392635fdfe336424
SHA1d74942d58aa3c069bfed2f031a6ce9c3c0bf1746
SHA256dd4fcee694f36693047d191795885836914c9bc28600f34c4acda53c54b46daa
SHA512ca50eb906a850baf9fde5fb3164ca35c7398855c4779e0e120bb0a0e4c2f6278bbf0bc2911dff52c4a7aca6bac1e796c2c349541048e3ded415935613bb549a0
-
Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5