Analysis
-
max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2023 18:29
Static task
static1
Behavioral task
behavioral1
Sample
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
Resource
win10v2004-20221111-en
General
-
Target
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
-
Size
473KB
-
MD5
f83fb9ce6a83da58b20685c1d7e1e546
-
SHA1
01c459b549c1c2a68208d38d4ba5e36d29212a4f
-
SHA256
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684
-
SHA512
934ec9073a28b90e8df785bef49f224789da59f83729208b92dba0503e2894b3f48ed04b20de1ba49374b1cd26f0c87e8e5ab79e817258135e3be2c171f3f396
-
SSDEEP
12288:v6l/7FpnaeoQbRLBYdunMCayql4YcQD+AgJbAWgjbgpQ:CDna43YAKl4Yci+AggEpQ
Malware Config
Extracted
C:\DECRYPT-FILES.html
Signatures
-
Maze
Ransomware family also known as ChaCha.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\EnableProtect.raw => C:\Users\Admin\Pictures\EnableProtect.raw.422m3Tq e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File renamed C:\Users\Admin\Pictures\OpenGrant.crw => C:\Users\Admin\Pictures\OpenGrant.crw.422m3Tq e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File opened for modification C:\Users\Admin\Pictures\UseUndo.tiff e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File renamed C:\Users\Admin\Pictures\UseUndo.tiff => C:\Users\Admin\Pictures\UseUndo.tiff.ZK7l e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.html e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\1z0k6d0vm.dat e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 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\1z0k6d0vm.dat e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description 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\\\\123456789.bmp" e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5060 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 5060 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 60 wmic.exe Token: SeSecurityPrivilege 60 wmic.exe Token: SeTakeOwnershipPrivilege 60 wmic.exe Token: SeLoadDriverPrivilege 60 wmic.exe Token: SeSystemProfilePrivilege 60 wmic.exe Token: SeSystemtimePrivilege 60 wmic.exe Token: SeProfSingleProcessPrivilege 60 wmic.exe Token: SeIncBasePriorityPrivilege 60 wmic.exe Token: SeCreatePagefilePrivilege 60 wmic.exe Token: SeBackupPrivilege 60 wmic.exe Token: SeRestorePrivilege 60 wmic.exe Token: SeShutdownPrivilege 60 wmic.exe Token: SeDebugPrivilege 60 wmic.exe Token: SeSystemEnvironmentPrivilege 60 wmic.exe Token: SeRemoteShutdownPrivilege 60 wmic.exe Token: SeUndockPrivilege 60 wmic.exe Token: SeManageVolumePrivilege 60 wmic.exe Token: 33 60 wmic.exe Token: 34 60 wmic.exe Token: 35 60 wmic.exe Token: 36 60 wmic.exe Token: SeIncreaseQuotaPrivilege 60 wmic.exe Token: SeSecurityPrivilege 60 wmic.exe Token: SeTakeOwnershipPrivilege 60 wmic.exe Token: SeLoadDriverPrivilege 60 wmic.exe Token: SeSystemProfilePrivilege 60 wmic.exe Token: SeSystemtimePrivilege 60 wmic.exe Token: SeProfSingleProcessPrivilege 60 wmic.exe Token: SeIncBasePriorityPrivilege 60 wmic.exe Token: SeCreatePagefilePrivilege 60 wmic.exe Token: SeBackupPrivilege 60 wmic.exe Token: SeRestorePrivilege 60 wmic.exe Token: SeShutdownPrivilege 60 wmic.exe Token: SeDebugPrivilege 60 wmic.exe Token: SeSystemEnvironmentPrivilege 60 wmic.exe Token: SeRemoteShutdownPrivilege 60 wmic.exe Token: SeUndockPrivilege 60 wmic.exe Token: SeManageVolumePrivilege 60 wmic.exe Token: 33 60 wmic.exe Token: 34 60 wmic.exe Token: 35 60 wmic.exe Token: 36 60 wmic.exe Token: SeBackupPrivilege 2864 vssvc.exe Token: SeRestorePrivilege 2864 vssvc.exe Token: SeAuditPrivilege 2864 vssvc.exe Token: SeIncreaseQuotaPrivilege 1180 wmic.exe Token: SeSecurityPrivilege 1180 wmic.exe Token: SeTakeOwnershipPrivilege 1180 wmic.exe Token: SeLoadDriverPrivilege 1180 wmic.exe Token: SeSystemProfilePrivilege 1180 wmic.exe Token: SeSystemtimePrivilege 1180 wmic.exe Token: SeProfSingleProcessPrivilege 1180 wmic.exe Token: SeIncBasePriorityPrivilege 1180 wmic.exe Token: SeCreatePagefilePrivilege 1180 wmic.exe Token: SeBackupPrivilege 1180 wmic.exe Token: SeRestorePrivilege 1180 wmic.exe Token: SeShutdownPrivilege 1180 wmic.exe Token: SeDebugPrivilege 1180 wmic.exe Token: SeSystemEnvironmentPrivilege 1180 wmic.exe Token: SeRemoteShutdownPrivilege 1180 wmic.exe Token: SeUndockPrivilege 1180 wmic.exe Token: SeManageVolumePrivilege 1180 wmic.exe Token: 33 1180 wmic.exe Token: 34 1180 wmic.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5060 wrote to memory of 60 5060 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 84 PID 5060 wrote to memory of 60 5060 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 84 PID 5060 wrote to memory of 1180 5060 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 93 PID 5060 wrote to memory of 1180 5060 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 93
Processes
-
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:5060 -
C:\Windows\system32\wbem\wmic.exe"C:\omy\..\Windows\ulfxt\bb\..\..\system32\fxq\vejc\svd\..\..\..\wbem\se\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:60
-
-
C:\Windows\system32\wbem\wmic.exe"C:\jx\..\Windows\ueyh\..\system32\ajkta\pg\..\..\wbem\fqt\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1180
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2864
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4b4 0x3381⤵PID:4324