Analysis
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max time kernel
148s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
30-08-2024 00:11
Static task
static1
Behavioral task
behavioral1
Sample
yourmom.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
yourmom.exe
Resource
win10v2004-20240802-en
General
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Target
yourmom.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
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\Windows\Start Menu\Programs\Startup\~SDE529.tmp yourmom.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDE52D.tmp yourmom.exe -
Executes dropped EXE 4 IoCs
pid Process 2580 !WannaDecryptor!.exe 2732 !WannaDecryptor!.exe 1800 !WannaDecryptor!.exe 2744 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2696 cscript.exe 816 yourmom.exe 816 yourmom.exe 816 yourmom.exe 816 yourmom.exe 960 cmd.exe 960 cmd.exe 816 yourmom.exe 816 yourmom.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\\yourmom.exe\" /r" yourmom.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\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 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 !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yourmom.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 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 vssadmin.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 2552 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 2528 taskkill.exe 2524 taskkill.exe 2364 taskkill.exe 1932 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 2528 taskkill.exe Token: SeDebugPrivilege 2364 taskkill.exe Token: SeDebugPrivilege 2524 taskkill.exe Token: SeDebugPrivilege 1932 taskkill.exe Token: SeBackupPrivilege 2340 vssvc.exe Token: SeRestorePrivilege 2340 vssvc.exe Token: SeAuditPrivilege 2340 vssvc.exe Token: SeIncreaseQuotaPrivilege 2548 WMIC.exe Token: SeSecurityPrivilege 2548 WMIC.exe Token: SeTakeOwnershipPrivilege 2548 WMIC.exe Token: SeLoadDriverPrivilege 2548 WMIC.exe Token: SeSystemProfilePrivilege 2548 WMIC.exe Token: SeSystemtimePrivilege 2548 WMIC.exe Token: SeProfSingleProcessPrivilege 2548 WMIC.exe Token: SeIncBasePriorityPrivilege 2548 WMIC.exe Token: SeCreatePagefilePrivilege 2548 WMIC.exe Token: SeBackupPrivilege 2548 WMIC.exe Token: SeRestorePrivilege 2548 WMIC.exe Token: SeShutdownPrivilege 2548 WMIC.exe Token: SeDebugPrivilege 2548 WMIC.exe Token: SeSystemEnvironmentPrivilege 2548 WMIC.exe Token: SeRemoteShutdownPrivilege 2548 WMIC.exe Token: SeUndockPrivilege 2548 WMIC.exe Token: SeManageVolumePrivilege 2548 WMIC.exe Token: 33 2548 WMIC.exe Token: 34 2548 WMIC.exe Token: 35 2548 WMIC.exe Token: SeIncreaseQuotaPrivilege 2548 WMIC.exe Token: SeSecurityPrivilege 2548 WMIC.exe Token: SeTakeOwnershipPrivilege 2548 WMIC.exe Token: SeLoadDriverPrivilege 2548 WMIC.exe Token: SeSystemProfilePrivilege 2548 WMIC.exe Token: SeSystemtimePrivilege 2548 WMIC.exe Token: SeProfSingleProcessPrivilege 2548 WMIC.exe Token: SeIncBasePriorityPrivilege 2548 WMIC.exe Token: SeCreatePagefilePrivilege 2548 WMIC.exe Token: SeBackupPrivilege 2548 WMIC.exe Token: SeRestorePrivilege 2548 WMIC.exe Token: SeShutdownPrivilege 2548 WMIC.exe Token: SeDebugPrivilege 2548 WMIC.exe Token: SeSystemEnvironmentPrivilege 2548 WMIC.exe Token: SeRemoteShutdownPrivilege 2548 WMIC.exe Token: SeUndockPrivilege 2548 WMIC.exe Token: SeManageVolumePrivilege 2548 WMIC.exe Token: 33 2548 WMIC.exe Token: 34 2548 WMIC.exe Token: 35 2548 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2580 !WannaDecryptor!.exe 2580 !WannaDecryptor!.exe 2732 !WannaDecryptor!.exe 2732 !WannaDecryptor!.exe 1800 !WannaDecryptor!.exe 1800 !WannaDecryptor!.exe 2744 !WannaDecryptor!.exe 2744 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 816 wrote to memory of 2840 816 yourmom.exe 31 PID 816 wrote to memory of 2840 816 yourmom.exe 31 PID 816 wrote to memory of 2840 816 yourmom.exe 31 PID 816 wrote to memory of 2840 816 yourmom.exe 31 PID 2840 wrote to memory of 2696 2840 cmd.exe 33 PID 2840 wrote to memory of 2696 2840 cmd.exe 33 PID 2840 wrote to memory of 2696 2840 cmd.exe 33 PID 2840 wrote to memory of 2696 2840 cmd.exe 33 PID 816 wrote to memory of 2580 816 yourmom.exe 34 PID 816 wrote to memory of 2580 816 yourmom.exe 34 PID 816 wrote to memory of 2580 816 yourmom.exe 34 PID 816 wrote to memory of 2580 816 yourmom.exe 34 PID 816 wrote to memory of 2528 816 yourmom.exe 35 PID 816 wrote to memory of 2528 816 yourmom.exe 35 PID 816 wrote to memory of 2528 816 yourmom.exe 35 PID 816 wrote to memory of 2528 816 yourmom.exe 35 PID 816 wrote to memory of 2524 816 yourmom.exe 36 PID 816 wrote to memory of 2524 816 yourmom.exe 36 PID 816 wrote to memory of 2524 816 yourmom.exe 36 PID 816 wrote to memory of 2524 816 yourmom.exe 36 PID 816 wrote to memory of 2364 816 yourmom.exe 38 PID 816 wrote to memory of 2364 816 yourmom.exe 38 PID 816 wrote to memory of 2364 816 yourmom.exe 38 PID 816 wrote to memory of 2364 816 yourmom.exe 38 PID 816 wrote to memory of 1932 816 yourmom.exe 39 PID 816 wrote to memory of 1932 816 yourmom.exe 39 PID 816 wrote to memory of 1932 816 yourmom.exe 39 PID 816 wrote to memory of 1932 816 yourmom.exe 39 PID 816 wrote to memory of 2732 816 yourmom.exe 45 PID 816 wrote to memory of 2732 816 yourmom.exe 45 PID 816 wrote to memory of 2732 816 yourmom.exe 45 PID 816 wrote to memory of 2732 816 yourmom.exe 45 PID 816 wrote to memory of 960 816 yourmom.exe 46 PID 816 wrote to memory of 960 816 yourmom.exe 46 PID 816 wrote to memory of 960 816 yourmom.exe 46 PID 816 wrote to memory of 960 816 yourmom.exe 46 PID 960 wrote to memory of 1800 960 cmd.exe 48 PID 960 wrote to memory of 1800 960 cmd.exe 48 PID 960 wrote to memory of 1800 960 cmd.exe 48 PID 960 wrote to memory of 1800 960 cmd.exe 48 PID 816 wrote to memory of 2744 816 yourmom.exe 49 PID 816 wrote to memory of 2744 816 yourmom.exe 49 PID 816 wrote to memory of 2744 816 yourmom.exe 49 PID 816 wrote to memory of 2744 816 yourmom.exe 49 PID 1800 wrote to memory of 2708 1800 !WannaDecryptor!.exe 50 PID 1800 wrote to memory of 2708 1800 !WannaDecryptor!.exe 50 PID 1800 wrote to memory of 2708 1800 !WannaDecryptor!.exe 50 PID 1800 wrote to memory of 2708 1800 !WannaDecryptor!.exe 50 PID 2708 wrote to memory of 2552 2708 cmd.exe 52 PID 2708 wrote to memory of 2552 2708 cmd.exe 52 PID 2708 wrote to memory of 2552 2708 cmd.exe 52 PID 2708 wrote to memory of 2552 2708 cmd.exe 52 PID 2708 wrote to memory of 2548 2708 cmd.exe 54 PID 2708 wrote to memory of 2548 2708 cmd.exe 54 PID 2708 wrote to memory of 2548 2708 cmd.exe 54 PID 2708 wrote to memory of 2548 2708 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\yourmom.exe"C:\Users\Admin\AppData\Local\Temp\yourmom.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:816 -
C:\Windows\SysWOW64\cmd.execmd /c 302501724976724.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2696
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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:2580
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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:2528
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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:2524
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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:2364
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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:1932
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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:2732
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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:960 -
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:1800 -
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:2708 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2552
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2548
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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:2744
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2340
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
921B
MD50d1c6299217772a63e5895d95da0e5bb
SHA1b0a61d15519b5034b6a91d2b42c409d3c550bd3f
SHA256e5db53ebd00396db25945b98421b190ce95eb0e53ee760851c2feb44ac46b045
SHA512a28ce0f032e3d0cc91b101a50997015b35ff9991dbd3526a4192591e59de2d35454f27a9bb9cd0d9a25d78db7ebb950acc8ff51f61b12b7d48aac43d9147f17c
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Filesize
136B
MD5254a78ea3824a99c5c611e211ad509a4
SHA129c29c5e2a803e60df9efd9fd8284cf5d05d3423
SHA2565450fb0264f9249a917076e12c45bf231731ad78e7ded5f62c8720b90617576f
SHA512e8a6949dcf4765ee0e58e92379f875ea49b43fb4b17be6444c75e572c69b98e8078b24b2f08e79e8c486b14ed1e129372733544477f8ebc3f4e90b7957fdf53e
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Filesize
136B
MD5d120a3b2cbf694a60bd019809ac54d6f
SHA155c8e7fd6e12d38537fc67bc214e5f06a21a6ca3
SHA2562645c8a51d19362e89b14f9738b99debfbc0baa44b18fc0eb4b21249b8e04680
SHA512378895d0088c352dc3d54fe7f839dd33473cc3fdd194fb5403cf8c17bf1a85f22e78e01b2168bbb36b9d7189d3312bf0b09c33369e659626714b931008c4b879
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Filesize
136B
MD519863c63ab8679e5dfb0184294cc0ccf
SHA1f3e3b606d779be2c97650e37c017e6cea8c6c507
SHA256f625923a3b45731b20f64ab4d30de554fbbd86e72d3f3fb284ef8144a069b78a
SHA51276cf06a94f30ed2b2bd82e094b82e16c8f40378c37af412c4131a2cac08da20b0e717139b2af16f6942c578f0e06290a0169b83c52c5fdb2ff820d67fc13fa3d
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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
MD5d6fce03366afa14ec8f7f2a4c1d1a369
SHA1c7a34f079638dbdc503e24d0e436ea4107c9d199
SHA256f026f4a3feaed0562bc826ef229c62877908a15770fabbb30eb02e31490e131e
SHA51238a76ab36a3027614af79fa7cd40a353691779e0ef5ce366caa00a538a8f3d810147a58131d0829b2967b85231a5530d29f14c998250b59a758b822b580554f8
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b