Analysis
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max time kernel
162s -
max time network
178s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 22:55
Static task
static1
Behavioral task
behavioral1
Sample
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe
Resource
win10v2004-en-20220113
General
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Target
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe
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Size
478KB
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MD5
deebbea18401e8b5e83c410c6d3a8b4e
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SHA1
96d81e77b6af8f54a5ac07b2c613a5655dd05353
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SHA256
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af
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SHA512
a0396c82fb68cf3931f0a2fcdba580d51ec6069c82b4e3853341fc6971a4bde4dbeb0094b94379d1dce4b1d8c43703e86266156ecbee89f9c939a71cafe9d487
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/883809999aebd8c
https://mazedecrypt.top/883809999aebd8c
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.
Processes:
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exedescription ioc Process File renamed C:\Users\Admin\Pictures\GetSet.png => C:\Users\Admin\Pictures\GetSet.png.s3Mgdd 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File renamed C:\Users\Admin\Pictures\PushSuspend.raw => C:\Users\Admin\Pictures\PushSuspend.raw.aLMCeA 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Users\Admin\Pictures\RepairUnprotect.tiff 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File renamed C:\Users\Admin\Pictures\RepairUnprotect.tiff => C:\Users\Admin\Pictures\RepairUnprotect.tiff.aLMCeA 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File renamed C:\Users\Admin\Pictures\RevokeReceive.crw => C:\Users\Admin\Pictures\RevokeReceive.crw.aLMCeA 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File renamed C:\Users\Admin\Pictures\SearchWait.crw => C:\Users\Admin\Pictures\SearchWait.crw.2KUq3k 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File renamed C:\Users\Admin\Pictures\StepRegister.crw => C:\Users\Admin\Pictures\StepRegister.crw.2KUq3k 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File renamed C:\Users\Admin\Pictures\SwitchPush.crw => C:\Users\Admin\Pictures\SwitchPush.crw.2KUq3k 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe -
Windows Defender anti-emulation file check 1 TTPs
Defender's emulator always creates certain fake files which can be used to detect it.
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Drops startup file 2 IoCs
Processes:
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exedescription ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\up9x9jf.tmp 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.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 25 IoCs
Processes:
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exedescription ioc Process File opened for modification C:\Program Files\EnableFind.jtx 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\JoinSet.vdw 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\UndoLock.3gp2 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\ConvertToSync.css 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\up9x9jf.tmp 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\up9x9jf.tmp 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\CloseWait.xlsx 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\ConvertAdd.mhtml 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\PingLimit.mpg 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\ReceiveResolve.iso 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\WatchSearch.rm 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\UnprotectUpdate.xml 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\up9x9jf.tmp 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File created C:\Program Files\DECRYPT-FILES.txt 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\DismountCheckpoint.wma 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\EnableTrace.pot 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\RepairSave.php 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\SaveCheckpoint.tiff 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files\UnblockUnregister.vssx 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\up9x9jf.tmp 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe File opened for modification C:\Program Files (x86)\up9x9jf.tmp 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exepid Process 1536 6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid Process Token: SeBackupPrivilege 1096 vssvc.exe Token: SeRestorePrivilege 1096 vssvc.exe Token: SeAuditPrivilege 1096 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe"C:\Users\Admin\AppData\Local\Temp\6a22220c0fe5f578da11ce22945b63d93172b75452996defdc2ff48756bde6af.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1536
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1096