Analysis
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max time kernel
156s -
max time network
148s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 23:11
Static task
static1
Behavioral task
behavioral1
Sample
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe
Resource
win10v2004-en-20220113
General
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Target
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe
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Size
365KB
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MD5
8bb9bf4b8be1141c4cdc4d435bfe7d0e
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SHA1
dfc77a86fb58c2aa04b6b0399eea6dd0d642baa0
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SHA256
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e
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SHA512
6f17104ad9a11bd84a917a9d6ca285ffdef0fbda3645b936e271be9c3ed1c92abbaa63322c826cf10663a013593e975d42b355c1b5e828e24eda31c143a0e94e
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6d570cc8c4572a70
https://mazedecrypt.top/6d570cc8c4572a70
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 4 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exedescription ioc Process File opened for modification C:\Users\Admin\Pictures\CompareCopy.tiff 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File renamed C:\Users\Admin\Pictures\CompareCopy.tiff => C:\Users\Admin\Pictures\CompareCopy.tiff.awJTS 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Users\Admin\Pictures\OpenAssert.tiff 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File renamed C:\Users\Admin\Pictures\OpenAssert.tiff => C:\Users\Admin\Pictures\OpenAssert.tiff.vTbZ5 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe -
Drops startup file 2 IoCs
Processes:
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exedescription ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6d570cc8c4572a70.tmp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.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:
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.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\\\\111.bmp" 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe -
Drops file in Program Files directory 23 IoCs
Processes:
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exedescription ioc Process File opened for modification C:\Program Files (x86)\6d570cc8c4572a70.tmp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6d570cc8c4572a70.tmp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\ConfirmMount.mp4 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\ResetResolve.wdp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\ResolveAdd.m4a 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6d570cc8c4572a70.tmp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File created C:\Program Files\DECRYPT-FILES.txt 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\FindCopy.M2TS 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\NewReset.wax 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\StopEnable.rmi 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6d570cc8c4572a70.tmp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\6d570cc8c4572a70.tmp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\EditRestart.php 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\GroupRename.vstm 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\ExpandCopy.emz 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\TestAssert.scf 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\BackupLimit.001 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\CompressRegister.3gp 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe File opened for modification C:\Program Files\DebugShow.iso 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exepid Process 1656 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
Processes:
vssvc.exewmic.exedescription pid Process Token: SeBackupPrivilege 1624 vssvc.exe Token: SeRestorePrivilege 1624 vssvc.exe Token: SeAuditPrivilege 1624 vssvc.exe Token: SeIncreaseQuotaPrivilege 1724 wmic.exe Token: SeSecurityPrivilege 1724 wmic.exe Token: SeTakeOwnershipPrivilege 1724 wmic.exe Token: SeLoadDriverPrivilege 1724 wmic.exe Token: SeSystemProfilePrivilege 1724 wmic.exe Token: SeSystemtimePrivilege 1724 wmic.exe Token: SeProfSingleProcessPrivilege 1724 wmic.exe Token: SeIncBasePriorityPrivilege 1724 wmic.exe Token: SeCreatePagefilePrivilege 1724 wmic.exe Token: SeBackupPrivilege 1724 wmic.exe Token: SeRestorePrivilege 1724 wmic.exe Token: SeShutdownPrivilege 1724 wmic.exe Token: SeDebugPrivilege 1724 wmic.exe Token: SeSystemEnvironmentPrivilege 1724 wmic.exe Token: SeRemoteShutdownPrivilege 1724 wmic.exe Token: SeUndockPrivilege 1724 wmic.exe Token: SeManageVolumePrivilege 1724 wmic.exe Token: 33 1724 wmic.exe Token: 34 1724 wmic.exe Token: 35 1724 wmic.exe Token: SeIncreaseQuotaPrivilege 1724 wmic.exe Token: SeSecurityPrivilege 1724 wmic.exe Token: SeTakeOwnershipPrivilege 1724 wmic.exe Token: SeLoadDriverPrivilege 1724 wmic.exe Token: SeSystemProfilePrivilege 1724 wmic.exe Token: SeSystemtimePrivilege 1724 wmic.exe Token: SeProfSingleProcessPrivilege 1724 wmic.exe Token: SeIncBasePriorityPrivilege 1724 wmic.exe Token: SeCreatePagefilePrivilege 1724 wmic.exe Token: SeBackupPrivilege 1724 wmic.exe Token: SeRestorePrivilege 1724 wmic.exe Token: SeShutdownPrivilege 1724 wmic.exe Token: SeDebugPrivilege 1724 wmic.exe Token: SeSystemEnvironmentPrivilege 1724 wmic.exe Token: SeRemoteShutdownPrivilege 1724 wmic.exe Token: SeUndockPrivilege 1724 wmic.exe Token: SeManageVolumePrivilege 1724 wmic.exe Token: 33 1724 wmic.exe Token: 34 1724 wmic.exe Token: 35 1724 wmic.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exedescription pid Process procid_target PID 1656 wrote to memory of 1724 1656 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe 33 PID 1656 wrote to memory of 1724 1656 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe 33 PID 1656 wrote to memory of 1724 1656 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe 33 PID 1656 wrote to memory of 1724 1656 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.exe"C:\Users\Admin\AppData\Local\Temp\0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e.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:1656 -
C:\Windows\system32\wbem\wmic.exe"C:\y\rndvb\..\..\Windows\rlse\..\system32\hee\ox\..\..\wbem\voom\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1724
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1624
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1948