Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
25-07-2024 01:51
Static task
static1
Behavioral task
behavioral1
Sample
LisectAVT_2403002C_82.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
LisectAVT_2403002C_82.exe
Resource
win10v2004-20240709-en
General
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Target
LisectAVT_2403002C_82.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\Documents\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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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\~SDABD6.tmp LisectAVT_2403002C_82.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDABC2.tmp LisectAVT_2403002C_82.exe -
Executes dropped EXE 4 IoCs
pid Process 2836 !WannaDecryptor!.exe 2560 !WannaDecryptor!.exe 2204 !WannaDecryptor!.exe 2132 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2716 cscript.exe 2136 LisectAVT_2403002C_82.exe 2136 LisectAVT_2403002C_82.exe 2136 LisectAVT_2403002C_82.exe 2136 LisectAVT_2403002C_82.exe 2384 cmd.exe 2384 cmd.exe 2136 LisectAVT_2403002C_82.exe 2136 LisectAVT_2403002C_82.exe -
Reads user/profile data of web browsers 2 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\\LisectAVT_2403002C_82.exe\" /r" LisectAVT_2403002C_82.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !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 15 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 cmd.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 LisectAVT_2403002C_82.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 !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vssadmin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.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 !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1756 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 2308 taskkill.exe 1576 taskkill.exe 1424 taskkill.exe 1008 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2132 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 1008 taskkill.exe Token: SeDebugPrivilege 2308 taskkill.exe Token: SeDebugPrivilege 1576 taskkill.exe Token: SeDebugPrivilege 1424 taskkill.exe Token: SeBackupPrivilege 1008 vssvc.exe Token: SeRestorePrivilege 1008 vssvc.exe Token: SeAuditPrivilege 1008 vssvc.exe Token: SeIncreaseQuotaPrivilege 2732 WMIC.exe Token: SeSecurityPrivilege 2732 WMIC.exe Token: SeTakeOwnershipPrivilege 2732 WMIC.exe Token: SeLoadDriverPrivilege 2732 WMIC.exe Token: SeSystemProfilePrivilege 2732 WMIC.exe Token: SeSystemtimePrivilege 2732 WMIC.exe Token: SeProfSingleProcessPrivilege 2732 WMIC.exe Token: SeIncBasePriorityPrivilege 2732 WMIC.exe Token: SeCreatePagefilePrivilege 2732 WMIC.exe Token: SeBackupPrivilege 2732 WMIC.exe Token: SeRestorePrivilege 2732 WMIC.exe Token: SeShutdownPrivilege 2732 WMIC.exe Token: SeDebugPrivilege 2732 WMIC.exe Token: SeSystemEnvironmentPrivilege 2732 WMIC.exe Token: SeRemoteShutdownPrivilege 2732 WMIC.exe Token: SeUndockPrivilege 2732 WMIC.exe Token: SeManageVolumePrivilege 2732 WMIC.exe Token: 33 2732 WMIC.exe Token: 34 2732 WMIC.exe Token: 35 2732 WMIC.exe Token: SeIncreaseQuotaPrivilege 2732 WMIC.exe Token: SeSecurityPrivilege 2732 WMIC.exe Token: SeTakeOwnershipPrivilege 2732 WMIC.exe Token: SeLoadDriverPrivilege 2732 WMIC.exe Token: SeSystemProfilePrivilege 2732 WMIC.exe Token: SeSystemtimePrivilege 2732 WMIC.exe Token: SeProfSingleProcessPrivilege 2732 WMIC.exe Token: SeIncBasePriorityPrivilege 2732 WMIC.exe Token: SeCreatePagefilePrivilege 2732 WMIC.exe Token: SeBackupPrivilege 2732 WMIC.exe Token: SeRestorePrivilege 2732 WMIC.exe Token: SeShutdownPrivilege 2732 WMIC.exe Token: SeDebugPrivilege 2732 WMIC.exe Token: SeSystemEnvironmentPrivilege 2732 WMIC.exe Token: SeRemoteShutdownPrivilege 2732 WMIC.exe Token: SeUndockPrivilege 2732 WMIC.exe Token: SeManageVolumePrivilege 2732 WMIC.exe Token: 33 2732 WMIC.exe Token: 34 2732 WMIC.exe Token: 35 2732 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2836 !WannaDecryptor!.exe 2836 !WannaDecryptor!.exe 2560 !WannaDecryptor!.exe 2560 !WannaDecryptor!.exe 2204 !WannaDecryptor!.exe 2204 !WannaDecryptor!.exe 2132 !WannaDecryptor!.exe 2132 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2532 2136 LisectAVT_2403002C_82.exe 30 PID 2136 wrote to memory of 2532 2136 LisectAVT_2403002C_82.exe 30 PID 2136 wrote to memory of 2532 2136 LisectAVT_2403002C_82.exe 30 PID 2136 wrote to memory of 2532 2136 LisectAVT_2403002C_82.exe 30 PID 2532 wrote to memory of 2716 2532 cmd.exe 32 PID 2532 wrote to memory of 2716 2532 cmd.exe 32 PID 2532 wrote to memory of 2716 2532 cmd.exe 32 PID 2532 wrote to memory of 2716 2532 cmd.exe 32 PID 2136 wrote to memory of 2836 2136 LisectAVT_2403002C_82.exe 33 PID 2136 wrote to memory of 2836 2136 LisectAVT_2403002C_82.exe 33 PID 2136 wrote to memory of 2836 2136 LisectAVT_2403002C_82.exe 33 PID 2136 wrote to memory of 2836 2136 LisectAVT_2403002C_82.exe 33 PID 2136 wrote to memory of 1008 2136 LisectAVT_2403002C_82.exe 34 PID 2136 wrote to memory of 1008 2136 LisectAVT_2403002C_82.exe 34 PID 2136 wrote to memory of 1008 2136 LisectAVT_2403002C_82.exe 34 PID 2136 wrote to memory of 1008 2136 LisectAVT_2403002C_82.exe 34 PID 2136 wrote to memory of 2308 2136 LisectAVT_2403002C_82.exe 35 PID 2136 wrote to memory of 2308 2136 LisectAVT_2403002C_82.exe 35 PID 2136 wrote to memory of 2308 2136 LisectAVT_2403002C_82.exe 35 PID 2136 wrote to memory of 2308 2136 LisectAVT_2403002C_82.exe 35 PID 2136 wrote to memory of 1576 2136 LisectAVT_2403002C_82.exe 37 PID 2136 wrote to memory of 1576 2136 LisectAVT_2403002C_82.exe 37 PID 2136 wrote to memory of 1576 2136 LisectAVT_2403002C_82.exe 37 PID 2136 wrote to memory of 1576 2136 LisectAVT_2403002C_82.exe 37 PID 2136 wrote to memory of 1424 2136 LisectAVT_2403002C_82.exe 38 PID 2136 wrote to memory of 1424 2136 LisectAVT_2403002C_82.exe 38 PID 2136 wrote to memory of 1424 2136 LisectAVT_2403002C_82.exe 38 PID 2136 wrote to memory of 1424 2136 LisectAVT_2403002C_82.exe 38 PID 2136 wrote to memory of 2560 2136 LisectAVT_2403002C_82.exe 44 PID 2136 wrote to memory of 2560 2136 LisectAVT_2403002C_82.exe 44 PID 2136 wrote to memory of 2560 2136 LisectAVT_2403002C_82.exe 44 PID 2136 wrote to memory of 2560 2136 LisectAVT_2403002C_82.exe 44 PID 2136 wrote to memory of 2384 2136 LisectAVT_2403002C_82.exe 45 PID 2136 wrote to memory of 2384 2136 LisectAVT_2403002C_82.exe 45 PID 2136 wrote to memory of 2384 2136 LisectAVT_2403002C_82.exe 45 PID 2136 wrote to memory of 2384 2136 LisectAVT_2403002C_82.exe 45 PID 2384 wrote to memory of 2204 2384 cmd.exe 47 PID 2384 wrote to memory of 2204 2384 cmd.exe 47 PID 2384 wrote to memory of 2204 2384 cmd.exe 47 PID 2384 wrote to memory of 2204 2384 cmd.exe 47 PID 2136 wrote to memory of 2132 2136 LisectAVT_2403002C_82.exe 48 PID 2136 wrote to memory of 2132 2136 LisectAVT_2403002C_82.exe 48 PID 2136 wrote to memory of 2132 2136 LisectAVT_2403002C_82.exe 48 PID 2136 wrote to memory of 2132 2136 LisectAVT_2403002C_82.exe 48 PID 2204 wrote to memory of 1572 2204 !WannaDecryptor!.exe 50 PID 2204 wrote to memory of 1572 2204 !WannaDecryptor!.exe 50 PID 2204 wrote to memory of 1572 2204 !WannaDecryptor!.exe 50 PID 2204 wrote to memory of 1572 2204 !WannaDecryptor!.exe 50 PID 1572 wrote to memory of 1756 1572 cmd.exe 52 PID 1572 wrote to memory of 1756 1572 cmd.exe 52 PID 1572 wrote to memory of 1756 1572 cmd.exe 52 PID 1572 wrote to memory of 1756 1572 cmd.exe 52 PID 1572 wrote to memory of 2732 1572 cmd.exe 54 PID 1572 wrote to memory of 2732 1572 cmd.exe 54 PID 1572 wrote to memory of 2732 1572 cmd.exe 54 PID 1572 wrote to memory of 2732 1572 cmd.exe 54 -
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\LisectAVT_2403002C_82.exe"C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_82.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\cmd.execmd /c 140121721872286.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2716
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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:2836
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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:1008
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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:2308
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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:1576
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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:1424
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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:2560
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
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:2204 -
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:1572 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:1756
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2732
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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 behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2132
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1008
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
925B
MD5caf52adeee21e077a3b179c7695b5373
SHA16486be866b97a677b5066ce9b10b04435e763dfa
SHA256b530dbcc041c938487077a66ca1614cbb73ac3c6add0ac80ffd85c5f23ce5942
SHA512d30e30a3b122804ce803cc05d560761897fa949ff29bdc7ebdd0343d26467551dee4600bce41c979bc3e3c5bf6601513b617508c44b93b427bf0c6266be12ea2
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Filesize
136B
MD556f2147c74477a4222adfe11a08efa46
SHA1850bde866cfeb5510e5680c6f60f2d00f9648ee4
SHA256f5f3ca5329cea80af529174f98082b27b3b25d9e912d33513623a885b6c51f68
SHA512d80406e8140689107bb3b87d3b4b6c8f6324e4d05893c0e670b76196a9d2e15bcb9aca41375eab9c521b3e5edbdb672aaff0aaef34d777fb8b2e6b50f4eb0922
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Filesize
136B
MD5be3fca3ae97c03f4fe825e95964911a4
SHA11e23559a1547d9d3c76900d0126ccb3449771b6f
SHA2561b4a090567fc748171e106779e43264b964a010535740a860fca6cf4fa243173
SHA51207cb6a44ad75b1f58ad3e87ad5ae5d79b49ababcb6c9101ffa85903e20995dc15e45ca5d8a99979a703a766511810c748600c5021dee894b2748d09bfc28b01f
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Filesize
136B
MD53d51d56d9208183f41ecda3b4946c22b
SHA1a07115586fb42ab2eeff20f0e409bcbdb3a1f62b
SHA25635ae1fe5b2351212dc86b174c41a09bdafc375ad6eb5543eefab601522c99c49
SHA512eb398bd44854d96d8172a82b3e3f46c8ab60035cd081a15c5b4ff207a1fbebb6a182ce5a29499bca10cb644cbd48f4350713109202365f43b8aedff4b1683cb0
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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
MD51d41bb1958a6091dc9259dd99059bd06
SHA1f05ffc67abc7aeb2df365ff50d647869a2eaf51c
SHA2561ecc60f5bcc5d3aea5faac8479f59c834ace50696aa345af9af5d7472f3ab105
SHA51256602eca8f33a4e54a69fd2e3d881e065d49d83bdd49f98fa51eba92ec898d879e50417230ca70de893790cac8b88205308de390c76525afcbb9085babe35b70
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b