Resubmissions
30-11-2021 09:58
211130-lzqt4sefbn 1030-11-2021 09:26
211130-lejkaseehq 1020-10-2021 09:26
211020-leeakshgem 10Analysis
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max time kernel
1800s -
max time network
1805s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
30-11-2021 09:26
Static task
static1
Behavioral task
behavioral1
Sample
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe
Resource
win11
General
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Target
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe
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Size
898KB
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MD5
61b32a82577a7ea823ff7303ab6b4283
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SHA1
9107c719795fa5768498abb4fed11d907e44d55e
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SHA256
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167
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SHA512
86ac9d3d0804f5dd3ebe08ab59058363bceeaa3f42d2d482f97ce688837b3b81693fde2b973250b93ee3223318b0f8e4f2faf6b0f91017807feacabce979d700
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6c850cca45f874e4
https://mazedecrypt.top/6c850cca45f874e4
Signatures
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Maze
Ransomware family also known as ChaCha.
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suricata: ET MALWARE Maze/ID Ransomware Activity
suricata: ET MALWARE Maze/ID Ransomware Activity
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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 2 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ConfirmUnpublish.png => C:\Users\Admin\Pictures\ConfirmUnpublish.png.ehBSK 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File renamed C:\Users\Admin\Pictures\PushReset.raw => C:\Users\Admin\Pictures\PushReset.raw.yOuLq3 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6c850cca45f874e4.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Drops file in Program Files directory 30 IoCs
description ioc Process File opened for modification C:\Program Files\ConvertToClose.ttc 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6c850cca45f874e4.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ClearUpdate.dot 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\UnpublishPublish.easmx 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6c850cca45f874e4.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\UnblockAssert.ADT 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SendEnter.search-ms 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SendSuspend.xlsb 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ShowUnpublish.m3u 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\UnprotectUpdate.m1v 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files (x86)\6c850cca45f874e4.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\FormatExport.wmv 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ExitTest.ps1xml 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\JoinPush.pptm 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SendWatch.dwfx 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\CopyLimit.ttf 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\EnterUnprotect.inf 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ExportGet.doc 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SyncPublish.pptm 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6c850cca45f874e4.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\6c850cca45f874e4.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\EditUpdate.wmv 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ExportConfirm.asf 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Program Files\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\PopResolve.ocx 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ConvertFromBlock.TS 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1668 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Suspicious use of AdjustPrivilegeToken 59 IoCs
description pid Process Token: SeBackupPrivilege 1124 vssvc.exe Token: SeRestorePrivilege 1124 vssvc.exe Token: SeAuditPrivilege 1124 vssvc.exe Token: SeIncreaseQuotaPrivilege 1748 wmic.exe Token: SeSecurityPrivilege 1748 wmic.exe Token: SeTakeOwnershipPrivilege 1748 wmic.exe Token: SeLoadDriverPrivilege 1748 wmic.exe Token: SeSystemProfilePrivilege 1748 wmic.exe Token: SeSystemtimePrivilege 1748 wmic.exe Token: SeProfSingleProcessPrivilege 1748 wmic.exe Token: SeIncBasePriorityPrivilege 1748 wmic.exe Token: SeCreatePagefilePrivilege 1748 wmic.exe Token: SeBackupPrivilege 1748 wmic.exe Token: SeRestorePrivilege 1748 wmic.exe Token: SeShutdownPrivilege 1748 wmic.exe Token: SeDebugPrivilege 1748 wmic.exe Token: SeSystemEnvironmentPrivilege 1748 wmic.exe Token: SeRemoteShutdownPrivilege 1748 wmic.exe Token: SeUndockPrivilege 1748 wmic.exe Token: SeManageVolumePrivilege 1748 wmic.exe Token: 33 1748 wmic.exe Token: 34 1748 wmic.exe Token: 35 1748 wmic.exe Token: SeIncreaseQuotaPrivilege 1748 wmic.exe Token: SeSecurityPrivilege 1748 wmic.exe Token: SeTakeOwnershipPrivilege 1748 wmic.exe Token: SeLoadDriverPrivilege 1748 wmic.exe Token: SeSystemProfilePrivilege 1748 wmic.exe Token: SeSystemtimePrivilege 1748 wmic.exe Token: SeProfSingleProcessPrivilege 1748 wmic.exe Token: SeIncBasePriorityPrivilege 1748 wmic.exe Token: SeCreatePagefilePrivilege 1748 wmic.exe Token: SeBackupPrivilege 1748 wmic.exe Token: SeRestorePrivilege 1748 wmic.exe Token: SeShutdownPrivilege 1748 wmic.exe Token: SeDebugPrivilege 1748 wmic.exe Token: SeSystemEnvironmentPrivilege 1748 wmic.exe Token: SeRemoteShutdownPrivilege 1748 wmic.exe Token: SeUndockPrivilege 1748 wmic.exe Token: SeManageVolumePrivilege 1748 wmic.exe Token: 33 1748 wmic.exe Token: 34 1748 wmic.exe Token: 35 1748 wmic.exe Token: 33 780 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 780 AUDIODG.EXE Token: 33 780 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 780 AUDIODG.EXE Token: 33 1056 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1056 AUDIODG.EXE Token: 33 1056 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1056 AUDIODG.EXE Token: 33 896 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 896 AUDIODG.EXE Token: 33 896 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 896 AUDIODG.EXE Token: 33 1688 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1688 AUDIODG.EXE Token: 33 1688 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1688 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1668 wrote to memory of 1748 1668 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 32 PID 1668 wrote to memory of 1748 1668 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 32 PID 1668 wrote to memory of 1748 1668 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 32 PID 1668 wrote to memory of 1748 1668 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe"C:\Users\Admin\AppData\Local\Temp\4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.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:\rujv\n\e\..\..\..\Windows\g\mj\gyvx\..\..\..\system32\lgk\hrgr\v\..\..\..\wbem\mxlfb\ehhwl\rofv\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1748
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1124
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:704
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1004
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4a01⤵
- Suspicious use of AdjustPrivilegeToken
PID:780
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:268
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5801⤵
- Suspicious use of AdjustPrivilegeToken
PID:1056
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1804
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5741⤵
- Suspicious use of AdjustPrivilegeToken
PID:896
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:828
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x52c1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1688