Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
15-02-2023 11:35
Static task
static1
Behavioral task
behavioral1
Sample
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe
Resource
win10v2004-20221111-en
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
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SSDEEP
12288:20lnPLRBrenjExzDKNg6dNoQl+vtMyOo/mSVTWa5QLeuXwuxbvRr/LpiRPMBp:201PLX0GferoQOMyySVa/VFbvhtiRPo
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6bd90cb458b09301
https://mazedecrypt.top/6bd90cb458b09301
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 2 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exedescription ioc Process File renamed C:\Users\Admin\Pictures\InstallConfirm.raw => C:\Users\Admin\Pictures\InstallConfirm.raw.HPqFRv 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File renamed C:\Users\Admin\Pictures\UninstallCompare.png => C:\Users\Admin\Pictures\UninstallCompare.png.3OK3Br 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Drops startup file 4 IoCs
Processes:
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exedescription ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6bd90cb458b09301.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 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\6bd90cb458b09301.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt 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
Processes:
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Drops file in Program Files directory 37 IoCs
Processes:
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exedescription ioc Process File opened for modification C:\Program Files\ClearRedo.rtf 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\HideSave.jpe 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\LockCompress.svg 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Program Files\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\CloseImport.contact 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\GrantInstall.vssm 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\LimitSplit.potx 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\RemoveApprove.potx 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\RenameTest.AAC 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SearchSync.sql 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\UpdateInitialize.3gp2 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\CheckpointRestore.xht 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\GroupStart.dwg 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\HideExit.ADT 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ImportSearch.wax 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SearchUnblock.svgz 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\RemoveSearch.fon 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\StopConnect.gif 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\UseComplete.vstm 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\InvokeMeasure.midi 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\MoveRestart.potm 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\PublishDeny.wma 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files (x86)\6bd90cb458b09301.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\GetOut.jpeg 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\GrantUnpublish.search-ms 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\RenameUninstall.hta 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SubmitLimit.WTV 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\UnlockRestore.DVR-MS 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\InitializeLock.emf 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\MeasureStep.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SelectResume.ram 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ShowCheckpoint.pub 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\SubmitAdd.MTS 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\6bd90cb458b09301.tmp 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\PushBlock.vssx 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File opened for modification C:\Program Files\ResumeClear.wma 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exepid Process 3124 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 3124 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
vssvc.exewmic.exeAUDIODG.EXEdescription pid Process Token: SeBackupPrivilege 3256 vssvc.exe Token: SeRestorePrivilege 3256 vssvc.exe Token: SeAuditPrivilege 3256 vssvc.exe Token: SeIncreaseQuotaPrivilege 4380 wmic.exe Token: SeSecurityPrivilege 4380 wmic.exe Token: SeTakeOwnershipPrivilege 4380 wmic.exe Token: SeLoadDriverPrivilege 4380 wmic.exe Token: SeSystemProfilePrivilege 4380 wmic.exe Token: SeSystemtimePrivilege 4380 wmic.exe Token: SeProfSingleProcessPrivilege 4380 wmic.exe Token: SeIncBasePriorityPrivilege 4380 wmic.exe Token: SeCreatePagefilePrivilege 4380 wmic.exe Token: SeBackupPrivilege 4380 wmic.exe Token: SeRestorePrivilege 4380 wmic.exe Token: SeShutdownPrivilege 4380 wmic.exe Token: SeDebugPrivilege 4380 wmic.exe Token: SeSystemEnvironmentPrivilege 4380 wmic.exe Token: SeRemoteShutdownPrivilege 4380 wmic.exe Token: SeUndockPrivilege 4380 wmic.exe Token: SeManageVolumePrivilege 4380 wmic.exe Token: 33 4380 wmic.exe Token: 34 4380 wmic.exe Token: 35 4380 wmic.exe Token: 36 4380 wmic.exe Token: SeIncreaseQuotaPrivilege 4380 wmic.exe Token: SeSecurityPrivilege 4380 wmic.exe Token: SeTakeOwnershipPrivilege 4380 wmic.exe Token: SeLoadDriverPrivilege 4380 wmic.exe Token: SeSystemProfilePrivilege 4380 wmic.exe Token: SeSystemtimePrivilege 4380 wmic.exe Token: SeProfSingleProcessPrivilege 4380 wmic.exe Token: SeIncBasePriorityPrivilege 4380 wmic.exe Token: SeCreatePagefilePrivilege 4380 wmic.exe Token: SeBackupPrivilege 4380 wmic.exe Token: SeRestorePrivilege 4380 wmic.exe Token: SeShutdownPrivilege 4380 wmic.exe Token: SeDebugPrivilege 4380 wmic.exe Token: SeSystemEnvironmentPrivilege 4380 wmic.exe Token: SeRemoteShutdownPrivilege 4380 wmic.exe Token: SeUndockPrivilege 4380 wmic.exe Token: SeManageVolumePrivilege 4380 wmic.exe Token: 33 4380 wmic.exe Token: 34 4380 wmic.exe Token: 35 4380 wmic.exe Token: 36 4380 wmic.exe Token: 33 540 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 540 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exedescription pid Process procid_target PID 3124 wrote to memory of 4380 3124 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 90 PID 3124 wrote to memory of 4380 3124 4263eacd358d5ef9efacff1f63ff79487639136c0268938755a4bfe3f5797167.exe 90
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:3124 -
C:\Windows\system32\wbem\wmic.exe"C:\gf\co\..\..\Windows\vcip\sbu\ef\..\..\..\system32\nw\ymbjb\..\..\wbem\xuoga\sbni\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4380
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3256
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x2e8 0x5101⤵
- Suspicious use of AdjustPrivilegeToken
PID:540