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210303-eg4g1z4wd2 10Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
13-04-2021 15:20
Static task
static1
Behavioral task
behavioral1
Sample
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win10v20210408
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
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Executes dropped EXE 16 IoCs
pid Process 1288 taskdl.exe 1776 @[email protected] 3132 @[email protected] 2668 taskhsvc.exe 196 taskse.exe 1780 @[email protected] 3704 taskdl.exe 1400 taskdl.exe 3968 taskse.exe 1424 @[email protected] 3240 taskdl.exe 3252 taskse.exe 3888 @[email protected] 3836 taskse.exe 3780 @[email protected] 4024 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\OutReset.raw.WNCRYT => C:\Users\Admin\Pictures\OutReset.raw.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\Pictures\OutReset.raw.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File created C:\Users\Admin\Pictures\RedoWatch.png.WNCRYT ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File renamed C:\Users\Admin\Pictures\RedoWatch.png.WNCRYT => C:\Users\Admin\Pictures\RedoWatch.png.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\Pictures\RedoWatch.png.WNCRY ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File created C:\Users\Admin\Pictures\OutReset.raw.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\~SDBC5B.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDBC82.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe -
Loads dropped DLL 9 IoCs
pid Process 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2980 icacls.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 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\brtxwnpzjg866 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasksche.exe\"" reg.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3628 vssadmin.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 3976 reg.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe 2668 taskhsvc.exe -
Suspicious use of AdjustPrivilegeToken 53 IoCs
description pid Process Token: SeBackupPrivilege 2852 vssvc.exe Token: SeRestorePrivilege 2852 vssvc.exe Token: SeAuditPrivilege 2852 vssvc.exe Token: SeIncreaseQuotaPrivilege 3964 WMIC.exe Token: SeSecurityPrivilege 3964 WMIC.exe Token: SeTakeOwnershipPrivilege 3964 WMIC.exe Token: SeLoadDriverPrivilege 3964 WMIC.exe Token: SeSystemProfilePrivilege 3964 WMIC.exe Token: SeSystemtimePrivilege 3964 WMIC.exe Token: SeProfSingleProcessPrivilege 3964 WMIC.exe Token: SeIncBasePriorityPrivilege 3964 WMIC.exe Token: SeCreatePagefilePrivilege 3964 WMIC.exe Token: SeBackupPrivilege 3964 WMIC.exe Token: SeRestorePrivilege 3964 WMIC.exe Token: SeShutdownPrivilege 3964 WMIC.exe Token: SeDebugPrivilege 3964 WMIC.exe Token: SeSystemEnvironmentPrivilege 3964 WMIC.exe Token: SeRemoteShutdownPrivilege 3964 WMIC.exe Token: SeUndockPrivilege 3964 WMIC.exe Token: SeManageVolumePrivilege 3964 WMIC.exe Token: 33 3964 WMIC.exe Token: 34 3964 WMIC.exe Token: 35 3964 WMIC.exe Token: 36 3964 WMIC.exe Token: SeIncreaseQuotaPrivilege 3964 WMIC.exe Token: SeSecurityPrivilege 3964 WMIC.exe Token: SeTakeOwnershipPrivilege 3964 WMIC.exe Token: SeLoadDriverPrivilege 3964 WMIC.exe Token: SeSystemProfilePrivilege 3964 WMIC.exe Token: SeSystemtimePrivilege 3964 WMIC.exe Token: SeProfSingleProcessPrivilege 3964 WMIC.exe Token: SeIncBasePriorityPrivilege 3964 WMIC.exe Token: SeCreatePagefilePrivilege 3964 WMIC.exe Token: SeBackupPrivilege 3964 WMIC.exe Token: SeRestorePrivilege 3964 WMIC.exe Token: SeShutdownPrivilege 3964 WMIC.exe Token: SeDebugPrivilege 3964 WMIC.exe Token: SeSystemEnvironmentPrivilege 3964 WMIC.exe Token: SeRemoteShutdownPrivilege 3964 WMIC.exe Token: SeUndockPrivilege 3964 WMIC.exe Token: SeManageVolumePrivilege 3964 WMIC.exe Token: 33 3964 WMIC.exe Token: 34 3964 WMIC.exe Token: 35 3964 WMIC.exe Token: 36 3964 WMIC.exe Token: SeTcbPrivilege 196 taskse.exe Token: SeTcbPrivilege 196 taskse.exe Token: SeTcbPrivilege 3968 taskse.exe Token: SeTcbPrivilege 3968 taskse.exe Token: SeTcbPrivilege 3252 taskse.exe Token: SeTcbPrivilege 3252 taskse.exe Token: SeTcbPrivilege 3836 taskse.exe Token: SeTcbPrivilege 3836 taskse.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 3132 @[email protected] 1776 @[email protected] 1776 @[email protected] 3132 @[email protected] 1780 @[email protected] 1780 @[email protected] 1424 @[email protected] 3888 @[email protected] 3780 @[email protected] -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 636 wrote to memory of 3628 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 74 PID 636 wrote to memory of 3628 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 74 PID 636 wrote to memory of 3628 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 74 PID 636 wrote to memory of 2980 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 75 PID 636 wrote to memory of 2980 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 75 PID 636 wrote to memory of 2980 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 75 PID 636 wrote to memory of 1288 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 636 wrote to memory of 1288 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 636 wrote to memory of 1288 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 79 PID 636 wrote to memory of 3976 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 636 wrote to memory of 3976 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 636 wrote to memory of 3976 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 80 PID 3976 wrote to memory of 2064 3976 cmd.exe 82 PID 3976 wrote to memory of 2064 3976 cmd.exe 82 PID 3976 wrote to memory of 2064 3976 cmd.exe 82 PID 636 wrote to memory of 1776 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 636 wrote to memory of 1776 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 636 wrote to memory of 1776 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 83 PID 636 wrote to memory of 716 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 84 PID 636 wrote to memory of 716 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 84 PID 636 wrote to memory of 716 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 84 PID 716 wrote to memory of 3132 716 cmd.exe 86 PID 716 wrote to memory of 3132 716 cmd.exe 86 PID 716 wrote to memory of 3132 716 cmd.exe 86 PID 1776 wrote to memory of 2668 1776 @[email protected] 88 PID 1776 wrote to memory of 2668 1776 @[email protected] 88 PID 1776 wrote to memory of 2668 1776 @[email protected] 88 PID 3132 wrote to memory of 3480 3132 @[email protected] 92 PID 3132 wrote to memory of 3480 3132 @[email protected] 92 PID 3132 wrote to memory of 3480 3132 @[email protected] 92 PID 3480 wrote to memory of 3628 3480 cmd.exe 94 PID 3480 wrote to memory of 3628 3480 cmd.exe 94 PID 3480 wrote to memory of 3628 3480 cmd.exe 94 PID 3480 wrote to memory of 3964 3480 cmd.exe 96 PID 3480 wrote to memory of 3964 3480 cmd.exe 96 PID 3480 wrote to memory of 3964 3480 cmd.exe 96 PID 636 wrote to memory of 196 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 636 wrote to memory of 196 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 636 wrote to memory of 196 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 99 PID 636 wrote to memory of 1780 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 100 PID 636 wrote to memory of 1780 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 100 PID 636 wrote to memory of 1780 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 100 PID 636 wrote to memory of 1508 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 101 PID 636 wrote to memory of 1508 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 101 PID 636 wrote to memory of 1508 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 101 PID 636 wrote to memory of 3704 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 636 wrote to memory of 3704 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 636 wrote to memory of 3704 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 102 PID 1508 wrote to memory of 3976 1508 cmd.exe 104 PID 1508 wrote to memory of 3976 1508 cmd.exe 104 PID 1508 wrote to memory of 3976 1508 cmd.exe 104 PID 636 wrote to memory of 1400 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 105 PID 636 wrote to memory of 1400 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 105 PID 636 wrote to memory of 1400 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 105 PID 636 wrote to memory of 3968 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 106 PID 636 wrote to memory of 3968 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 106 PID 636 wrote to memory of 3968 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 106 PID 636 wrote to memory of 1424 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 107 PID 636 wrote to memory of 1424 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 107 PID 636 wrote to memory of 1424 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 107 PID 636 wrote to memory of 3240 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 108 PID 636 wrote to memory of 3240 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 108 PID 636 wrote to memory of 3240 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 108 PID 636 wrote to memory of 3252 636 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 109 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3628 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\attrib.exeattrib +h .2⤵
- Views/modifies file attributes
PID:3628
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C:\Windows\SysWOW64\icacls.exeicacls . /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:2980
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:1288
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 177111618334635.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\SysWOW64\cscript.execscript.exe //nologo m.vbs3⤵PID:2064
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exeTaskData\Tor\taskhsvc.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2668
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C:\Windows\SysWOW64\cmd.exePID:716
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C:\Users\Admin\AppData\Local\Temp\@[email protected]3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3132 -
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:3480 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:3628
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3964
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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:196
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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:1780
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C:\Windows\SysWOW64\cmd.execmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "brtxwnpzjg866" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f2⤵
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\reg.exereg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "brtxwnpzjg866" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f3⤵
- Adds Run key to start application
- Modifies registry key
PID:3976
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3704
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:1400
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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:3968
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:1424
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3240
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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:3252
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:3888
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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:3836
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:3780
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:4024
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2852