Analysis
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max time kernel
170s -
max time network
188s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 22:59
Static task
static1
Behavioral task
behavioral1
Sample
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe
Resource
win10v2004-en-20220112
General
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Target
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe
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Size
506KB
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MD5
65cf08ffaf12e47de8cd37098aac5b33
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SHA1
68f823b5572c628d5f8b5b0665ed7d54d85b443f
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SHA256
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806
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SHA512
81850cc1cb702ea9833b5e1afd3c90b294969ea635b3dc6513c24fb6d88b38e6b7f47d39fc217cc645f70e7528b0eb08a1f9d29089b2792a30bbdbdaa1b0369c
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/892e099c6e1c6a6
https://mazedecrypt.top/892e099c6e1c6a6
Signatures
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Maze
Ransomware family also known as ChaCha.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 10 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exedescription ioc Process File renamed C:\Users\Admin\Pictures\OutPublish.raw => C:\Users\Admin\Pictures\OutPublish.raw.1vzdky 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File renamed C:\Users\Admin\Pictures\RestoreStop.png => C:\Users\Admin\Pictures\RestoreStop.png.1vzdky 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Users\Admin\Pictures\SearchSync.tiff 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File renamed C:\Users\Admin\Pictures\SearchSync.tiff => C:\Users\Admin\Pictures\SearchSync.tiff.ddnyVAE 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File renamed C:\Users\Admin\Pictures\UnblockDeny.png => C:\Users\Admin\Pictures\UnblockDeny.png.ddnyVAE 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File renamed C:\Users\Admin\Pictures\ConnectClose.tif => C:\Users\Admin\Pictures\ConnectClose.tif.zeqO9 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Users\Admin\Pictures\InvokePush.tiff 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File renamed C:\Users\Admin\Pictures\InvokePush.tiff => C:\Users\Admin\Pictures\InvokePush.tiff.a4u885 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File renamed C:\Users\Admin\Pictures\SaveClear.tif => C:\Users\Admin\Pictures\SaveClear.tif.ddnyVAE 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File renamed C:\Users\Admin\Pictures\SyncClear.crw => C:\Users\Admin\Pictures\SyncClear.crw.ddnyVAE 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe -
Drops startup file 2 IoCs
Processes:
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ef44w45.tmp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.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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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe -
Drops file in Program Files directory 44 IoCs
Processes:
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exedescription ioc Process File opened for modification C:\Program Files\ApproveOut.xml 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ConvertOut.wmv 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ResetPop.emf 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\CopyConvertFrom.AAC 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ef44w45.tmp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\RepairBlock.xsl 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\WriteRestart.xml 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\ef44w45.tmp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ConnectOpen.asp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\DenyMeasure.wmf 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ExpandConnect.aifc 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\WaitSwitch.rm 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\ef44w45.tmp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ImportSkip.mht 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\RegisterPing.emf 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File created C:\Program Files\DECRYPT-FILES.txt 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\AssertSplit.crw 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\CloseBlock.tif 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ProtectEnter.xls 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\PushRestore.wpl 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\SetLimit.jpeg 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\ef44w45.tmp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ExpandTrace.wmf 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\GrantReceive.fon 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\RegisterJoin.temp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\CheckpointStart.m4v 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ConfirmFormat.ttc 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ConvertToUnpublish.ods 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\GetExit.vssx 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\LimitPop.pps 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ResetWait.potm 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ResolveBackup.docx 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\StartDeny.scf 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\SubmitResolve.emf 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\EditClear.xml 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\PublishResume.vsw 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ReadMount.mpg 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\SetUnprotect.mpeg 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files\ShowPush.hta 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe File opened for modification C:\Program Files (x86)\ef44w45.tmp 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exepid Process 1668 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
Processes:
vssvc.exewmic.exedescription pid Process Token: SeBackupPrivilege 520 vssvc.exe Token: SeRestorePrivilege 520 vssvc.exe Token: SeAuditPrivilege 520 vssvc.exe Token: SeIncreaseQuotaPrivilege 288 wmic.exe Token: SeSecurityPrivilege 288 wmic.exe Token: SeTakeOwnershipPrivilege 288 wmic.exe Token: SeLoadDriverPrivilege 288 wmic.exe Token: SeSystemProfilePrivilege 288 wmic.exe Token: SeSystemtimePrivilege 288 wmic.exe Token: SeProfSingleProcessPrivilege 288 wmic.exe Token: SeIncBasePriorityPrivilege 288 wmic.exe Token: SeCreatePagefilePrivilege 288 wmic.exe Token: SeBackupPrivilege 288 wmic.exe Token: SeRestorePrivilege 288 wmic.exe Token: SeShutdownPrivilege 288 wmic.exe Token: SeDebugPrivilege 288 wmic.exe Token: SeSystemEnvironmentPrivilege 288 wmic.exe Token: SeRemoteShutdownPrivilege 288 wmic.exe Token: SeUndockPrivilege 288 wmic.exe Token: SeManageVolumePrivilege 288 wmic.exe Token: 33 288 wmic.exe Token: 34 288 wmic.exe Token: 35 288 wmic.exe Token: SeIncreaseQuotaPrivilege 288 wmic.exe Token: SeSecurityPrivilege 288 wmic.exe Token: SeTakeOwnershipPrivilege 288 wmic.exe Token: SeLoadDriverPrivilege 288 wmic.exe Token: SeSystemProfilePrivilege 288 wmic.exe Token: SeSystemtimePrivilege 288 wmic.exe Token: SeProfSingleProcessPrivilege 288 wmic.exe Token: SeIncBasePriorityPrivilege 288 wmic.exe Token: SeCreatePagefilePrivilege 288 wmic.exe Token: SeBackupPrivilege 288 wmic.exe Token: SeRestorePrivilege 288 wmic.exe Token: SeShutdownPrivilege 288 wmic.exe Token: SeDebugPrivilege 288 wmic.exe Token: SeSystemEnvironmentPrivilege 288 wmic.exe Token: SeRemoteShutdownPrivilege 288 wmic.exe Token: SeUndockPrivilege 288 wmic.exe Token: SeManageVolumePrivilege 288 wmic.exe Token: 33 288 wmic.exe Token: 34 288 wmic.exe Token: 35 288 wmic.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exedescription pid Process procid_target PID 1668 wrote to memory of 288 1668 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe 35 PID 1668 wrote to memory of 288 1668 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe 35 PID 1668 wrote to memory of 288 1668 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe 35 PID 1668 wrote to memory of 288 1668 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe"C:\Users\Admin\AppData\Local\Temp\58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\system32\wbem\wmic.exe"C:\avpt\dapst\mhnl\..\..\..\Windows\r\amv\..\..\system32\c\xstuy\rbhqu\..\..\..\wbem\wtvdq\tmk\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:288
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:520
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1604