Analysis
-
max time kernel
152s -
max time network
156s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
17-11-2021 14:37
Static task
static1
Behavioral task
behavioral1
Sample
test/0b627b4eca9b9e8bd04a0d1a103876f6e0fa91049fd0b51bae9ae41acaacf15b.doc
Resource
win10-en-20211104
Behavioral task
behavioral2
Sample
test/0dded430c1958ae0ec60c2d50ab99f562269ad1ee09db17606661bd55cd29c66.doc
Resource
win10-en-20211104
Behavioral task
behavioral3
Sample
test/91B5DB3C0CCBD68BD04C24571E27F99D.msi
Resource
win10-en-20211104
Behavioral task
behavioral4
Sample
test/ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win10-en-20211014
Behavioral task
behavioral5
Sample
test/fe9d72dd4b046bafdd144902ab570297629f83d06afb5a9ba7703382a29d588f.exe
Resource
win10-en-20211104
General
-
Target
test/ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
-
Size
3.4MB
-
MD5
84c82835a5d21bbcf75a61706d8ab549
-
SHA1
5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
-
SHA256
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
-
SHA512
90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\test\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Executes dropped EXE 10 IoCs
pid Process 3812 taskdl.exe 3628 @[email protected] 2744 @[email protected] 4312 taskse.exe 4324 @[email protected] 4988 taskdl.exe 2312 taskhsvc.exe 1220 taskdl.exe 2400 taskdl.exe 3468 taskdl.exe -
Modifies extensions of user files 6 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SendPing.png.WNCRYT => C:\Users\Admin\Pictures\SendPing.png.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\Pictures\SendPing.png.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File created C:\Users\Admin\Pictures\DisableAssert.png.WNCRYT ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File renamed C:\Users\Admin\Pictures\DisableAssert.png.WNCRYT => C:\Users\Admin\Pictures\DisableAssert.png.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\Pictures\DisableAssert.png.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File created C:\Users\Admin\Pictures\SendPing.png.WNCRYT ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD70.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD77.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe -
Loads dropped DLL 9 IoCs
pid Process 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4160 icacls.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 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ysbppvej396 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\test\\tasksche.exe\"" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run reg.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" @[email protected] -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1196 vssadmin.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 4120 reg.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe 2312 taskhsvc.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeTcbPrivilege 4312 taskse.exe Token: SeTcbPrivilege 4312 taskse.exe Token: SeBackupPrivilege 708 vssvc.exe Token: SeRestorePrivilege 708 vssvc.exe Token: SeAuditPrivilege 708 vssvc.exe Token: SeIncreaseQuotaPrivilege 4828 WMIC.exe Token: SeSecurityPrivilege 4828 WMIC.exe Token: SeTakeOwnershipPrivilege 4828 WMIC.exe Token: SeLoadDriverPrivilege 4828 WMIC.exe Token: SeSystemProfilePrivilege 4828 WMIC.exe Token: SeSystemtimePrivilege 4828 WMIC.exe Token: SeProfSingleProcessPrivilege 4828 WMIC.exe Token: SeIncBasePriorityPrivilege 4828 WMIC.exe Token: SeCreatePagefilePrivilege 4828 WMIC.exe Token: SeBackupPrivilege 4828 WMIC.exe Token: SeRestorePrivilege 4828 WMIC.exe Token: SeShutdownPrivilege 4828 WMIC.exe Token: SeDebugPrivilege 4828 WMIC.exe Token: SeSystemEnvironmentPrivilege 4828 WMIC.exe Token: SeRemoteShutdownPrivilege 4828 WMIC.exe Token: SeUndockPrivilege 4828 WMIC.exe Token: SeManageVolumePrivilege 4828 WMIC.exe Token: 33 4828 WMIC.exe Token: 34 4828 WMIC.exe Token: 35 4828 WMIC.exe Token: 36 4828 WMIC.exe Token: SeIncreaseQuotaPrivilege 4828 WMIC.exe Token: SeSecurityPrivilege 4828 WMIC.exe Token: SeTakeOwnershipPrivilege 4828 WMIC.exe Token: SeLoadDriverPrivilege 4828 WMIC.exe Token: SeSystemProfilePrivilege 4828 WMIC.exe Token: SeSystemtimePrivilege 4828 WMIC.exe Token: SeProfSingleProcessPrivilege 4828 WMIC.exe Token: SeIncBasePriorityPrivilege 4828 WMIC.exe Token: SeCreatePagefilePrivilege 4828 WMIC.exe Token: SeBackupPrivilege 4828 WMIC.exe Token: SeRestorePrivilege 4828 WMIC.exe Token: SeShutdownPrivilege 4828 WMIC.exe Token: SeDebugPrivilege 4828 WMIC.exe Token: SeSystemEnvironmentPrivilege 4828 WMIC.exe Token: SeRemoteShutdownPrivilege 4828 WMIC.exe Token: SeUndockPrivilege 4828 WMIC.exe Token: SeManageVolumePrivilege 4828 WMIC.exe Token: 33 4828 WMIC.exe Token: 34 4828 WMIC.exe Token: 35 4828 WMIC.exe Token: 36 4828 WMIC.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3628 @[email protected] 2744 @[email protected] 2744 @[email protected] 3628 @[email protected] 4324 @[email protected] 4324 @[email protected] -
Suspicious use of WriteProcessMemory 60 IoCs
description pid Process procid_target PID 4392 wrote to memory of 748 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 4392 wrote to memory of 748 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 4392 wrote to memory of 748 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 4392 wrote to memory of 4160 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 4392 wrote to memory of 4160 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 4392 wrote to memory of 4160 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 4392 wrote to memory of 3812 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 4392 wrote to memory of 3812 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 4392 wrote to memory of 3812 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 4392 wrote to memory of 4476 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 4392 wrote to memory of 4476 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 4392 wrote to memory of 4476 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 4476 wrote to memory of 4564 4476 cmd.exe 75 PID 4476 wrote to memory of 4564 4476 cmd.exe 75 PID 4476 wrote to memory of 4564 4476 cmd.exe 75 PID 4392 wrote to memory of 3628 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 4392 wrote to memory of 3628 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 4392 wrote to memory of 3628 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 4392 wrote to memory of 3244 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 4392 wrote to memory of 3244 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 4392 wrote to memory of 3244 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 3244 wrote to memory of 2744 3244 cmd.exe 82 PID 3244 wrote to memory of 2744 3244 cmd.exe 82 PID 3244 wrote to memory of 2744 3244 cmd.exe 82 PID 4392 wrote to memory of 4312 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 4392 wrote to memory of 4312 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 4392 wrote to memory of 4312 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 4392 wrote to memory of 4324 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 84 PID 4392 wrote to memory of 4324 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 84 PID 4392 wrote to memory of 4324 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 84 PID 4392 wrote to memory of 3488 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 85 PID 4392 wrote to memory of 3488 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 85 PID 4392 wrote to memory of 3488 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 85 PID 4392 wrote to memory of 4988 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 86 PID 4392 wrote to memory of 4988 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 86 PID 4392 wrote to memory of 4988 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 86 PID 3488 wrote to memory of 4120 3488 cmd.exe 89 PID 3488 wrote to memory of 4120 3488 cmd.exe 89 PID 3488 wrote to memory of 4120 3488 cmd.exe 89 PID 3628 wrote to memory of 2312 3628 @[email protected] 90 PID 3628 wrote to memory of 2312 3628 @[email protected] 90 PID 3628 wrote to memory of 2312 3628 @[email protected] 90 PID 2744 wrote to memory of 600 2744 @[email protected] 93 PID 2744 wrote to memory of 600 2744 @[email protected] 93 PID 2744 wrote to memory of 600 2744 @[email protected] 93 PID 600 wrote to memory of 1196 600 cmd.exe 95 PID 600 wrote to memory of 1196 600 cmd.exe 95 PID 600 wrote to memory of 1196 600 cmd.exe 95 PID 600 wrote to memory of 4828 600 cmd.exe 97 PID 600 wrote to memory of 4828 600 cmd.exe 97 PID 600 wrote to memory of 4828 600 cmd.exe 97 PID 4392 wrote to memory of 1220 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 4392 wrote to memory of 1220 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 4392 wrote to memory of 1220 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 4392 wrote to memory of 2400 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 103 PID 4392 wrote to memory of 2400 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 103 PID 4392 wrote to memory of 2400 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 103 PID 4392 wrote to memory of 3468 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 4392 wrote to memory of 3468 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 4392 wrote to memory of 3468 4392 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 748 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\test\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"C:\Users\Admin\AppData\Local\Temp\test\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\attrib.exeattrib +h .2⤵
- Views/modifies file attributes
PID:748
-
-
C:\Windows\SysWOW64\icacls.exeicacls . /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:4160
-
-
C:\Users\Admin\AppData\Local\Temp\test\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3812
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 46161637422679.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Windows\SysWOW64\cscript.execscript.exe //nologo m.vbs3⤵PID:4564
-
-
-
C:\Users\Admin\AppData\Local\Temp\test\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Users\Admin\AppData\Local\Temp\test\TaskData\Tor\taskhsvc.exeTaskData\Tor\taskhsvc.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2312
-
-
-
C:\Windows\SysWOW64\cmd.exePID:3244
-
C:\Users\Admin\AppData\Local\Temp\test\@[email protected]3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744 -
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:600 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:1196
-
-
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4828
-
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\test\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\test\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4312
-
-
C:\Users\Admin\AppData\Local\Temp\test\@[email protected]2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4324
-
-
C:\Windows\SysWOW64\cmd.execmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ysbppvej396" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\test\tasksche.exe\"" /f2⤵
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\SysWOW64\reg.exereg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ysbppvej396" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\test\tasksche.exe\"" /f3⤵
- Adds Run key to start application
- Modifies registry key
PID:4120
-
-
-
C:\Users\Admin\AppData\Local\Temp\test\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:4988
-
-
C:\Users\Admin\AppData\Local\Temp\test\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:1220
-
-
C:\Users\Admin\AppData\Local\Temp\test\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:2400
-
-
C:\Users\Admin\AppData\Local\Temp\test\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3468
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:708