Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
07-12-2020 19:31
Static task
static1
Behavioral task
behavioral1
Sample
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
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Size
473KB
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MD5
f83fb9ce6a83da58b20685c1d7e1e546
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SHA1
01c459b549c1c2a68208d38d4ba5e36d29212a4f
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SHA256
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684
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SHA512
934ec9073a28b90e8df785bef49f224789da59f83729208b92dba0503e2894b3f48ed04b20de1ba49374b1cd26f0c87e8e5ab79e817258135e3be2c171f3f396
Score
10/10
Malware Config
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 3 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File opened for modification C:\Users\Admin\Pictures\BlockSave.tiff e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File renamed C:\Users\Admin\Pictures\BlockSave.tiff => C:\Users\Admin\Pictures\BlockSave.tiff.rvEb7Zc e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File renamed C:\Users\Admin\Pictures\UseInstall.tif => C:\Users\Admin\Pictures\UseInstall.tif.Vo7XP e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zxtrxoud.dat e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.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-1-5-21-293278959-2699126792-324916226-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp" e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious use of AdjustPrivilegeToken 87 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1660 wmic.exe Token: SeSecurityPrivilege 1660 wmic.exe Token: SeTakeOwnershipPrivilege 1660 wmic.exe Token: SeLoadDriverPrivilege 1660 wmic.exe Token: SeSystemProfilePrivilege 1660 wmic.exe Token: SeSystemtimePrivilege 1660 wmic.exe Token: SeProfSingleProcessPrivilege 1660 wmic.exe Token: SeIncBasePriorityPrivilege 1660 wmic.exe Token: SeCreatePagefilePrivilege 1660 wmic.exe Token: SeBackupPrivilege 1660 wmic.exe Token: SeRestorePrivilege 1660 wmic.exe Token: SeShutdownPrivilege 1660 wmic.exe Token: SeDebugPrivilege 1660 wmic.exe Token: SeSystemEnvironmentPrivilege 1660 wmic.exe Token: SeRemoteShutdownPrivilege 1660 wmic.exe Token: SeUndockPrivilege 1660 wmic.exe Token: SeManageVolumePrivilege 1660 wmic.exe Token: 33 1660 wmic.exe Token: 34 1660 wmic.exe Token: 35 1660 wmic.exe Token: SeIncreaseQuotaPrivilege 1660 wmic.exe Token: SeSecurityPrivilege 1660 wmic.exe Token: SeTakeOwnershipPrivilege 1660 wmic.exe Token: SeLoadDriverPrivilege 1660 wmic.exe Token: SeSystemProfilePrivilege 1660 wmic.exe Token: SeSystemtimePrivilege 1660 wmic.exe Token: SeProfSingleProcessPrivilege 1660 wmic.exe Token: SeIncBasePriorityPrivilege 1660 wmic.exe Token: SeCreatePagefilePrivilege 1660 wmic.exe Token: SeBackupPrivilege 1660 wmic.exe Token: SeRestorePrivilege 1660 wmic.exe Token: SeShutdownPrivilege 1660 wmic.exe Token: SeDebugPrivilege 1660 wmic.exe Token: SeSystemEnvironmentPrivilege 1660 wmic.exe Token: SeRemoteShutdownPrivilege 1660 wmic.exe Token: SeUndockPrivilege 1660 wmic.exe Token: SeManageVolumePrivilege 1660 wmic.exe Token: 33 1660 wmic.exe Token: 34 1660 wmic.exe Token: 35 1660 wmic.exe Token: SeBackupPrivilege 316 vssvc.exe Token: SeRestorePrivilege 316 vssvc.exe Token: SeAuditPrivilege 316 vssvc.exe Token: SeIncreaseQuotaPrivilege 1632 wmic.exe Token: SeSecurityPrivilege 1632 wmic.exe Token: SeTakeOwnershipPrivilege 1632 wmic.exe Token: SeLoadDriverPrivilege 1632 wmic.exe Token: SeSystemProfilePrivilege 1632 wmic.exe Token: SeSystemtimePrivilege 1632 wmic.exe Token: SeProfSingleProcessPrivilege 1632 wmic.exe Token: SeIncBasePriorityPrivilege 1632 wmic.exe Token: SeCreatePagefilePrivilege 1632 wmic.exe Token: SeBackupPrivilege 1632 wmic.exe Token: SeRestorePrivilege 1632 wmic.exe Token: SeShutdownPrivilege 1632 wmic.exe Token: SeDebugPrivilege 1632 wmic.exe Token: SeSystemEnvironmentPrivilege 1632 wmic.exe Token: SeRemoteShutdownPrivilege 1632 wmic.exe Token: SeUndockPrivilege 1632 wmic.exe Token: SeManageVolumePrivilege 1632 wmic.exe Token: 33 1632 wmic.exe Token: 34 1632 wmic.exe Token: 35 1632 wmic.exe Token: SeIncreaseQuotaPrivilege 1632 wmic.exe Token: SeSecurityPrivilege 1632 wmic.exe Token: SeTakeOwnershipPrivilege 1632 wmic.exe Token: SeLoadDriverPrivilege 1632 wmic.exe Token: SeSystemProfilePrivilege 1632 wmic.exe Token: SeSystemtimePrivilege 1632 wmic.exe Token: SeProfSingleProcessPrivilege 1632 wmic.exe Token: SeIncBasePriorityPrivilege 1632 wmic.exe Token: SeCreatePagefilePrivilege 1632 wmic.exe Token: SeBackupPrivilege 1632 wmic.exe Token: SeRestorePrivilege 1632 wmic.exe Token: SeShutdownPrivilege 1632 wmic.exe Token: SeDebugPrivilege 1632 wmic.exe Token: SeSystemEnvironmentPrivilege 1632 wmic.exe Token: SeRemoteShutdownPrivilege 1632 wmic.exe Token: SeUndockPrivilege 1632 wmic.exe Token: SeManageVolumePrivilege 1632 wmic.exe Token: 33 1632 wmic.exe Token: 34 1632 wmic.exe Token: 35 1632 wmic.exe Token: 33 1348 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1348 AUDIODG.EXE Token: 33 1348 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1348 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 612 wrote to memory of 1660 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 29 PID 612 wrote to memory of 1660 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 29 PID 612 wrote to memory of 1660 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 29 PID 612 wrote to memory of 1660 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 29 PID 612 wrote to memory of 1632 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 35 PID 612 wrote to memory of 1632 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 35 PID 612 wrote to memory of 1632 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 35 PID 612 wrote to memory of 1632 612 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:612 -
C:\Windows\system32\wbem\wmic.exe"C:\cst\gpt\nlh\..\..\..\Windows\x\..\system32\q\..\wbem\n\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Windows\system32\wbem\wmic.exe"C:\ie\ruv\bikon\..\..\..\Windows\fyxcv\vebn\..\..\system32\hm\jj\qitdj\..\..\..\wbem\xckpr\qnfl\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1632
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:316
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1124
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5881⤵PID:1348