Analysis
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max time kernel
168s -
max time network
194s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 23:05
Static task
static1
Behavioral task
behavioral1
Sample
3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe
Resource
win10v2004-en-20220113
General
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Target
3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe
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Size
391KB
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MD5
a3753202df1ce12cf042107fa2a6c6db
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SHA1
0f6e15c03673c3d60e61634fd1b1e62df3e1ce5a
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SHA256
3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3
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SHA512
3a52607aa8b9edfa5c77c814009f7ae3b0e3ea394fdd0d29548724808e0a65ceb0717704b4bfc5392420f4015a47753f20f18977564d25f2681fba743c68b21f
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/88380999342c6eb9
https://mazedecrypt.top/88380999342c6eb9
Signatures
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Maze
Ransomware family also known as ChaCha.
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Modifies extensions of user files 8 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SkipRename.tiff => C:\Users\Admin\Pictures\SkipRename.tiff.fdR2hcJ 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File renamed C:\Users\Admin\Pictures\UnpublishAssert.png => C:\Users\Admin\Pictures\UnpublishAssert.png.fdR2hcJ 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File renamed C:\Users\Admin\Pictures\BlockUnblock.tif => C:\Users\Admin\Pictures\BlockUnblock.tif.9Q0TF 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File renamed C:\Users\Admin\Pictures\MoveResume.crw => C:\Users\Admin\Pictures\MoveResume.crw.NkPvDR 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File renamed C:\Users\Admin\Pictures\PublishBackup.crw => C:\Users\Admin\Pictures\PublishBackup.crw.wXVD7Gt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File renamed C:\Users\Admin\Pictures\RemoveTrace.png => C:\Users\Admin\Pictures\RemoveTrace.png.wXVD7Gt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File renamed C:\Users\Admin\Pictures\ResetConnect.crw => C:\Users\Admin\Pictures\ResetConnect.crw.wXVD7Gt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Users\Admin\Pictures\SkipRename.tiff 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\88380999342c6eb9.tmp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.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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Drops file in Program Files directory 48 IoCs
description ioc Process File opened for modification C:\Program Files\ApproveSkip.otf 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\RestoreSplit.jfif 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\88380999342c6eb9.tmp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\ConnectMount.css 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\DismountExpand.temp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\UpdateStart.wmv 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files (x86)\88380999342c6eb9.tmp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\DenyWrite.otf 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\DismountUnpublish.crw 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\EditInvoke.dotm 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\MergeDismount.DVR 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\RevokePublish.odt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\UndoWrite.m4v 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\DebugConvertFrom.vsw 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\RemoveCopy.m4v 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\RenameSwitch.vbe 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\UnblockMove.ico 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\88380999342c6eb9.tmp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File created C:\Program Files\DECRYPT-FILES.txt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\AddNew.tmp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\ExportDisconnect.jtx 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\LimitPublish.001 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\ResolveUnprotect.wmv 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\SplitUnprotect.scf 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\ImportRestore.xps 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\ReceiveFormat.mov 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\RedoDismount.M2V 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\UnblockCompress.js 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\88380999342c6eb9.tmp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\CompressShow.xls 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\FindResume.tif 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\MergeRevoke.emf 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\SuspendShow.pot 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\UnlockMerge.xht 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\UnprotectRestore.txt 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\RestartRedo.pot 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\SelectDebug.tif 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\CheckpointRequest.TTS 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\DismountSelect.png 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\HideRestart.wma 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\PublishWait.jpeg 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\PushAdd.css 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files\RedoReceive.tiff 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\88380999342c6eb9.tmp 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1672 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1196 vssvc.exe Token: SeRestorePrivilege 1196 vssvc.exe Token: SeAuditPrivilege 1196 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe"C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1672
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1196