Analysis
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max time kernel
142s -
max time network
143s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
29-05-2020 11:18
Static task
static1
Behavioral task
behavioral1
Sample
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win10v200430
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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Executes dropped EXE 14 IoCs
pid Process 3032 taskdl.exe 1072 taskdl.exe 1112 @[email protected] 3788 @[email protected] 2556 taskhsvc.exe 3904 taskse.exe 416 @[email protected] 724 taskdl.exe 704 taskse.exe 3352 @[email protected] 3700 taskdl.exe 2368 taskse.exe 1588 @[email protected] 3024 taskdl.exe -
Loads dropped DLL 10 IoCs
pid Process 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2152 icacls.exe -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\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 AdjustPrivilegeToken 51 IoCs
description pid Process Token: SeBackupPrivilege 3680 vssvc.exe Token: SeRestorePrivilege 3680 vssvc.exe Token: SeAuditPrivilege 3680 vssvc.exe Token: SeIncreaseQuotaPrivilege 4048 WMIC.exe Token: SeSecurityPrivilege 4048 WMIC.exe Token: SeTakeOwnershipPrivilege 4048 WMIC.exe Token: SeLoadDriverPrivilege 4048 WMIC.exe Token: SeSystemProfilePrivilege 4048 WMIC.exe Token: SeSystemtimePrivilege 4048 WMIC.exe Token: SeProfSingleProcessPrivilege 4048 WMIC.exe Token: SeIncBasePriorityPrivilege 4048 WMIC.exe Token: SeCreatePagefilePrivilege 4048 WMIC.exe Token: SeBackupPrivilege 4048 WMIC.exe Token: SeRestorePrivilege 4048 WMIC.exe Token: SeShutdownPrivilege 4048 WMIC.exe Token: SeDebugPrivilege 4048 WMIC.exe Token: SeSystemEnvironmentPrivilege 4048 WMIC.exe Token: SeRemoteShutdownPrivilege 4048 WMIC.exe Token: SeUndockPrivilege 4048 WMIC.exe Token: SeManageVolumePrivilege 4048 WMIC.exe Token: 33 4048 WMIC.exe Token: 34 4048 WMIC.exe Token: 35 4048 WMIC.exe Token: 36 4048 WMIC.exe Token: SeIncreaseQuotaPrivilege 4048 WMIC.exe Token: SeSecurityPrivilege 4048 WMIC.exe Token: SeTakeOwnershipPrivilege 4048 WMIC.exe Token: SeLoadDriverPrivilege 4048 WMIC.exe Token: SeSystemProfilePrivilege 4048 WMIC.exe Token: SeSystemtimePrivilege 4048 WMIC.exe Token: SeProfSingleProcessPrivilege 4048 WMIC.exe Token: SeIncBasePriorityPrivilege 4048 WMIC.exe Token: SeCreatePagefilePrivilege 4048 WMIC.exe Token: SeBackupPrivilege 4048 WMIC.exe Token: SeRestorePrivilege 4048 WMIC.exe Token: SeShutdownPrivilege 4048 WMIC.exe Token: SeDebugPrivilege 4048 WMIC.exe Token: SeSystemEnvironmentPrivilege 4048 WMIC.exe Token: SeRemoteShutdownPrivilege 4048 WMIC.exe Token: SeUndockPrivilege 4048 WMIC.exe Token: SeManageVolumePrivilege 4048 WMIC.exe Token: 33 4048 WMIC.exe Token: 34 4048 WMIC.exe Token: 35 4048 WMIC.exe Token: 36 4048 WMIC.exe Token: SeTcbPrivilege 3904 taskse.exe Token: SeTcbPrivilege 3904 taskse.exe Token: SeTcbPrivilege 704 taskse.exe Token: SeTcbPrivilege 704 taskse.exe Token: SeTcbPrivilege 2368 taskse.exe Token: SeTcbPrivilege 2368 taskse.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 1840 reg.exe -
Suspicious use of WriteProcessMemory 72 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2056 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2016 wrote to memory of 2056 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2016 wrote to memory of 2056 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2016 wrote to memory of 2152 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 2016 wrote to memory of 2152 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 2016 wrote to memory of 2152 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 70 PID 2016 wrote to memory of 3032 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2016 wrote to memory of 3032 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2016 wrote to memory of 3032 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2016 wrote to memory of 3880 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 2016 wrote to memory of 3880 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 2016 wrote to memory of 3880 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 73 PID 3880 wrote to memory of 3944 3880 cmd.exe 75 PID 3880 wrote to memory of 3944 3880 cmd.exe 75 PID 3880 wrote to memory of 3944 3880 cmd.exe 75 PID 2016 wrote to memory of 1072 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 2016 wrote to memory of 1072 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 2016 wrote to memory of 1072 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 2016 wrote to memory of 1112 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 82 PID 2016 wrote to memory of 1112 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 82 PID 2016 wrote to memory of 1112 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 82 PID 2016 wrote to memory of 1640 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 2016 wrote to memory of 1640 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 2016 wrote to memory of 1640 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 1640 wrote to memory of 3788 1640 cmd.exe 85 PID 1640 wrote to memory of 3788 1640 cmd.exe 85 PID 1640 wrote to memory of 3788 1640 cmd.exe 85 PID 1112 wrote to memory of 2556 1112 @[email protected] 87 PID 1112 wrote to memory of 2556 1112 @[email protected] 87 PID 1112 wrote to memory of 2556 1112 @[email protected] 87 PID 3788 wrote to memory of 2340 3788 @[email protected] 91 PID 3788 wrote to memory of 2340 3788 @[email protected] 91 PID 3788 wrote to memory of 2340 3788 @[email protected] 91 PID 2340 wrote to memory of 3792 2340 cmd.exe 93 PID 2340 wrote to memory of 3792 2340 cmd.exe 93 PID 2340 wrote to memory of 3792 2340 cmd.exe 93 PID 2340 wrote to memory of 4048 2340 cmd.exe 95 PID 2340 wrote to memory of 4048 2340 cmd.exe 95 PID 2340 wrote to memory of 4048 2340 cmd.exe 95 PID 2016 wrote to memory of 3904 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 97 PID 2016 wrote to memory of 3904 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 97 PID 2016 wrote to memory of 3904 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 97 PID 2016 wrote to memory of 416 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 98 PID 2016 wrote to memory of 416 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 98 PID 2016 wrote to memory of 416 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 98 PID 2016 wrote to memory of 3216 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 2016 wrote to memory of 3216 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 2016 wrote to memory of 3216 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 3216 wrote to memory of 1840 3216 cmd.exe 101 PID 3216 wrote to memory of 1840 3216 cmd.exe 101 PID 3216 wrote to memory of 1840 3216 cmd.exe 101 PID 2016 wrote to memory of 724 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 2016 wrote to memory of 724 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 2016 wrote to memory of 724 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 2016 wrote to memory of 704 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 2016 wrote to memory of 704 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 2016 wrote to memory of 704 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 104 PID 2016 wrote to memory of 3352 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 105 PID 2016 wrote to memory of 3352 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 105 PID 2016 wrote to memory of 3352 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 105 PID 2016 wrote to memory of 3700 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 106 PID 2016 wrote to memory of 3700 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 106 PID 2016 wrote to memory of 3700 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 106 PID 2016 wrote to memory of 2368 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 109 PID 2016 wrote to memory of 2368 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 109 PID 2016 wrote to memory of 2368 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 109 PID 2016 wrote to memory of 1588 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 2016 wrote to memory of 1588 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 2016 wrote to memory of 1588 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 110 PID 2016 wrote to memory of 3024 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 PID 2016 wrote to memory of 3024 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 PID 2016 wrote to memory of 3024 2016 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 111 -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3788 @[email protected] 1112 @[email protected] 1112 @[email protected] 3788 @[email protected] 416 @[email protected] 416 @[email protected] 3352 @[email protected] 1588 @[email protected] -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD44E8.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD44FE.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.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 entry to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\biiywaghgcpcp303 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasksche.exe\"" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run reg.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe 2556 taskhsvc.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3792 vssadmin.exe -
Wannacry
WannaCry is a ransomware cryptoworm.
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Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2056 attrib.exe
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:2016 -
C:\Windows\SysWOW64\attrib.exeattrib +h .2⤵
- Views/modifies file attributes
PID:2056
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C:\Windows\SysWOW64\icacls.exeicacls . /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:2152
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3032
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 323551590758345.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\SysWOW64\cscript.execscript.exe //nologo m.vbs3⤵PID:3944
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:1072
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:1112 -
C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exeTaskData\Tor\taskhsvc.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2556
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C:\Windows\SysWOW64\cmd.exePID:1640
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C:\Users\Admin\AppData\Local\Temp\@[email protected]3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:3788 -
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:2340 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:3792
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4048
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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:3904
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:416
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C:\Windows\SysWOW64\cmd.execmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "biiywaghgcpcp303" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f2⤵
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Windows\SysWOW64\reg.exereg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "biiywaghgcpcp303" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f3⤵
- Modifies registry key
- Adds Run entry to start application
PID:1840
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:724
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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:704
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:3352
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3700
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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:2368
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:1588
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3024
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:3680