Resubmissions
27-10-2024 06:24
241027-g6basawarl 10Analysis
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max time kernel
1799s -
max time network
1434s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
26-10-2024 10:34
Static task
static1
Behavioral task
behavioral1
Sample
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe
Resource
win10ltsc2021-20241023-en
General
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Target
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe
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Size
224KB
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MD5
75031983cb851f3475c460a40797fe62
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SHA1
4ee0238f082123aeb7642ea2e427f57cf4ee954a
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SHA256
01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4
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SHA512
635b72c7fb8d8b3818364a8a239941d4b4ec608f3d87ee966ce6abd599b847f2aee1e895d996391a1802a57afb41127fbc5e87020b5b280aca2066039e94ca36
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/Efc:+5RwTs/dSXj84mRXPemxdBlPvLzLe
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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Wannacry family
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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
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD7EDE.tmp 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD7ED7.tmp 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe -
Executes dropped EXE 4 IoCs
pid Process 2716 !WannaDecryptor!.exe 2912 !WannaDecryptor!.exe 3996 !WannaDecryptor!.exe 660 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 3 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
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-1-5-21-4152190078-1497776152-96910572-1000\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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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 taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 4 IoCs
pid Process 3176 taskkill.exe 2108 taskkill.exe 3036 taskkill.exe 3304 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4776 WMIC.exe 4776 WMIC.exe 4776 WMIC.exe 4776 WMIC.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3176 taskkill.exe Token: SeDebugPrivilege 3036 taskkill.exe Token: SeDebugPrivilege 3304 taskkill.exe Token: SeDebugPrivilege 2108 taskkill.exe Token: SeIncreaseQuotaPrivilege 4776 WMIC.exe Token: SeSecurityPrivilege 4776 WMIC.exe Token: SeTakeOwnershipPrivilege 4776 WMIC.exe Token: SeLoadDriverPrivilege 4776 WMIC.exe Token: SeSystemProfilePrivilege 4776 WMIC.exe Token: SeSystemtimePrivilege 4776 WMIC.exe Token: SeProfSingleProcessPrivilege 4776 WMIC.exe Token: SeIncBasePriorityPrivilege 4776 WMIC.exe Token: SeCreatePagefilePrivilege 4776 WMIC.exe Token: SeBackupPrivilege 4776 WMIC.exe Token: SeRestorePrivilege 4776 WMIC.exe Token: SeShutdownPrivilege 4776 WMIC.exe Token: SeDebugPrivilege 4776 WMIC.exe Token: SeSystemEnvironmentPrivilege 4776 WMIC.exe Token: SeRemoteShutdownPrivilege 4776 WMIC.exe Token: SeUndockPrivilege 4776 WMIC.exe Token: SeManageVolumePrivilege 4776 WMIC.exe Token: 33 4776 WMIC.exe Token: 34 4776 WMIC.exe Token: 35 4776 WMIC.exe Token: 36 4776 WMIC.exe Token: SeIncreaseQuotaPrivilege 4776 WMIC.exe Token: SeSecurityPrivilege 4776 WMIC.exe Token: SeTakeOwnershipPrivilege 4776 WMIC.exe Token: SeLoadDriverPrivilege 4776 WMIC.exe Token: SeSystemProfilePrivilege 4776 WMIC.exe Token: SeSystemtimePrivilege 4776 WMIC.exe Token: SeProfSingleProcessPrivilege 4776 WMIC.exe Token: SeIncBasePriorityPrivilege 4776 WMIC.exe Token: SeCreatePagefilePrivilege 4776 WMIC.exe Token: SeBackupPrivilege 4776 WMIC.exe Token: SeRestorePrivilege 4776 WMIC.exe Token: SeShutdownPrivilege 4776 WMIC.exe Token: SeDebugPrivilege 4776 WMIC.exe Token: SeSystemEnvironmentPrivilege 4776 WMIC.exe Token: SeRemoteShutdownPrivilege 4776 WMIC.exe Token: SeUndockPrivilege 4776 WMIC.exe Token: SeManageVolumePrivilege 4776 WMIC.exe Token: 33 4776 WMIC.exe Token: 34 4776 WMIC.exe Token: 35 4776 WMIC.exe Token: 36 4776 WMIC.exe Token: SeBackupPrivilege 1052 vssvc.exe Token: SeRestorePrivilege 1052 vssvc.exe Token: SeAuditPrivilege 1052 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2716 !WannaDecryptor!.exe 2716 !WannaDecryptor!.exe 2912 !WannaDecryptor!.exe 2912 !WannaDecryptor!.exe 3996 !WannaDecryptor!.exe 3996 !WannaDecryptor!.exe 660 !WannaDecryptor!.exe 660 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1492 wrote to memory of 3584 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 82 PID 1492 wrote to memory of 3584 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 82 PID 1492 wrote to memory of 3584 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 82 PID 3584 wrote to memory of 2764 3584 cmd.exe 84 PID 3584 wrote to memory of 2764 3584 cmd.exe 84 PID 3584 wrote to memory of 2764 3584 cmd.exe 84 PID 1492 wrote to memory of 2716 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 86 PID 1492 wrote to memory of 2716 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 86 PID 1492 wrote to memory of 2716 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 86 PID 1492 wrote to memory of 3176 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 87 PID 1492 wrote to memory of 3176 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 87 PID 1492 wrote to memory of 3176 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 87 PID 1492 wrote to memory of 3304 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 88 PID 1492 wrote to memory of 3304 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 88 PID 1492 wrote to memory of 3304 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 88 PID 1492 wrote to memory of 3036 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 89 PID 1492 wrote to memory of 3036 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 89 PID 1492 wrote to memory of 3036 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 89 PID 1492 wrote to memory of 2108 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 90 PID 1492 wrote to memory of 2108 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 90 PID 1492 wrote to memory of 2108 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 90 PID 1492 wrote to memory of 2912 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 98 PID 1492 wrote to memory of 2912 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 98 PID 1492 wrote to memory of 2912 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 98 PID 1492 wrote to memory of 1088 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 99 PID 1492 wrote to memory of 1088 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 99 PID 1492 wrote to memory of 1088 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 99 PID 1088 wrote to memory of 3996 1088 cmd.exe 101 PID 1088 wrote to memory of 3996 1088 cmd.exe 101 PID 1088 wrote to memory of 3996 1088 cmd.exe 101 PID 1492 wrote to memory of 660 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 102 PID 1492 wrote to memory of 660 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 102 PID 1492 wrote to memory of 660 1492 01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe 102 PID 3996 wrote to memory of 756 3996 !WannaDecryptor!.exe 103 PID 3996 wrote to memory of 756 3996 !WannaDecryptor!.exe 103 PID 3996 wrote to memory of 756 3996 !WannaDecryptor!.exe 103 PID 756 wrote to memory of 4776 756 cmd.exe 105 PID 756 wrote to memory of 4776 756 cmd.exe 105 PID 756 wrote to memory of 4776 756 cmd.exe 105 -
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\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:1492 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 207151729938884.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:2764
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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:2716
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3176
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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:3304
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3036
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2108
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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:2912
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1088 -
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:3996 -
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:756 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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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:660
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1052
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
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
1KB
MD54cdcb4f08ee84a43097935b03a7be753
SHA1c98d2ab29090d4205184e77fb41056d61973a84d
SHA256d885af8f6516552b7472ca2e68bc9b46f219bf2f507ee4f566605df4a01aa7b9
SHA512fea9523369a15407e6c95c98418e5090e4944bccba4ac0b72465e38dbea6d7d29db82372b31cda1097782db2f353b8c03b304d04a784f565bea52fc7f5b27b12
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Filesize
136B
MD5e186fc760ede3cd51c86b79d0c11a90a
SHA191cf5e075d7dadf818543a652f27a1a2d968c26d
SHA25679338378eb2f7502e5653a6284715a3c3b66100ae6edbc49cdffaf215f1f43b2
SHA51288e84b320c8273377e5f06131c39908b16b4bac2409c4da78f678fc19c291831d50f99094f5f0db107e125112d61e4aebeafad69cbc592ea61d0c061f01b5ca2
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Filesize
136B
MD5a4a21fcf09b2991c8b42a4e59667416a
SHA1a55da67fe664758a76a28c60c8abcc1e04ab7831
SHA2560185339c0c47e683b88b7c8fa97c89f6e964c0c8fda64f0c657ccae2aff4d24b
SHA5125b1a43c9b7f936d664dbe28ae66acde3da51268b2a577f74d1d4de4613d061266e797f4476b3ac8f896d83a1320d8728f5d051f38825e8210e0b4019ca0989fb
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Filesize
136B
MD5c9083578823a04b81de967d377dcec0a
SHA1eea8998f41be11ccebbd8937faa8e4eb6da677c1
SHA256326b915b60f570bf107b8139a00e9f4e36676e38ac82e45b5efce201bd63ff53
SHA5124b6117f0e29a8d7eb4eb3fa95a5604b5130b1b00f946cdefca314467751b4f40e300d62146419730e095426b318a2bf0b16cd5c387732fb7745eede80137a4e0
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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
MD5618a0579a33afdf5d0ddb4411bb39ee7
SHA1177d3efdab530ee656202a21397e03a65353421c
SHA2561085d2ec73262fedcb9a72af2ca20aba269aa5eb8b76cd0dba8ec1b4fd19406a
SHA512e91848e5fe7b22eedbc4496dc3fd93cfe4b9cfc123f9c8f54ea0c651e8f40cdc67a6c66410fd903a483b6f038997052aa636e39ebd7f38e682ce7954ed699f87
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496