Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
08/03/2025, 13:18
Static task
static1
Behavioral task
behavioral1
Sample
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
Resource
win10v2004-20250217-en
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
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SSDEEP
12288:v6l/7FpnaeoQbRLBYdunMCayql4YcQD+AgJbAWgjbgpQ:CDna43YAKl4Yci+AggEpQ
Malware Config
Extracted
C:\Users\DECRYPT-FILES.html
Signatures
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Maze
Ransomware family also known as ChaCha.
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Maze family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Drops startup file 4 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\xq28g.dat e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 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\xq28g.dat e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Reads user/profile data of web browsers 3 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-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp" e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2392 wmic.exe Token: SeSecurityPrivilege 2392 wmic.exe Token: SeTakeOwnershipPrivilege 2392 wmic.exe Token: SeLoadDriverPrivilege 2392 wmic.exe Token: SeSystemProfilePrivilege 2392 wmic.exe Token: SeSystemtimePrivilege 2392 wmic.exe Token: SeProfSingleProcessPrivilege 2392 wmic.exe Token: SeIncBasePriorityPrivilege 2392 wmic.exe Token: SeCreatePagefilePrivilege 2392 wmic.exe Token: SeBackupPrivilege 2392 wmic.exe Token: SeRestorePrivilege 2392 wmic.exe Token: SeShutdownPrivilege 2392 wmic.exe Token: SeDebugPrivilege 2392 wmic.exe Token: SeSystemEnvironmentPrivilege 2392 wmic.exe Token: SeRemoteShutdownPrivilege 2392 wmic.exe Token: SeUndockPrivilege 2392 wmic.exe Token: SeManageVolumePrivilege 2392 wmic.exe Token: 33 2392 wmic.exe Token: 34 2392 wmic.exe Token: 35 2392 wmic.exe Token: SeIncreaseQuotaPrivilege 2392 wmic.exe Token: SeSecurityPrivilege 2392 wmic.exe Token: SeTakeOwnershipPrivilege 2392 wmic.exe Token: SeLoadDriverPrivilege 2392 wmic.exe Token: SeSystemProfilePrivilege 2392 wmic.exe Token: SeSystemtimePrivilege 2392 wmic.exe Token: SeProfSingleProcessPrivilege 2392 wmic.exe Token: SeIncBasePriorityPrivilege 2392 wmic.exe Token: SeCreatePagefilePrivilege 2392 wmic.exe Token: SeBackupPrivilege 2392 wmic.exe Token: SeRestorePrivilege 2392 wmic.exe Token: SeShutdownPrivilege 2392 wmic.exe Token: SeDebugPrivilege 2392 wmic.exe Token: SeSystemEnvironmentPrivilege 2392 wmic.exe Token: SeRemoteShutdownPrivilege 2392 wmic.exe Token: SeUndockPrivilege 2392 wmic.exe Token: SeManageVolumePrivilege 2392 wmic.exe Token: 33 2392 wmic.exe Token: 34 2392 wmic.exe Token: 35 2392 wmic.exe Token: SeBackupPrivilege 2796 vssvc.exe Token: SeRestorePrivilege 2796 vssvc.exe Token: SeAuditPrivilege 2796 vssvc.exe Token: SeIncreaseQuotaPrivilege 2524 wmic.exe Token: SeSecurityPrivilege 2524 wmic.exe Token: SeTakeOwnershipPrivilege 2524 wmic.exe Token: SeLoadDriverPrivilege 2524 wmic.exe Token: SeSystemProfilePrivilege 2524 wmic.exe Token: SeSystemtimePrivilege 2524 wmic.exe Token: SeProfSingleProcessPrivilege 2524 wmic.exe Token: SeIncBasePriorityPrivilege 2524 wmic.exe Token: SeCreatePagefilePrivilege 2524 wmic.exe Token: SeBackupPrivilege 2524 wmic.exe Token: SeRestorePrivilege 2524 wmic.exe Token: SeShutdownPrivilege 2524 wmic.exe Token: SeDebugPrivilege 2524 wmic.exe Token: SeSystemEnvironmentPrivilege 2524 wmic.exe Token: SeRemoteShutdownPrivilege 2524 wmic.exe Token: SeUndockPrivilege 2524 wmic.exe Token: SeManageVolumePrivilege 2524 wmic.exe Token: 33 2524 wmic.exe Token: 34 2524 wmic.exe Token: 35 2524 wmic.exe Token: SeIncreaseQuotaPrivilege 2524 wmic.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2340 wrote to memory of 2392 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 30 PID 2340 wrote to memory of 2392 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 30 PID 2340 wrote to memory of 2392 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 30 PID 2340 wrote to memory of 2392 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 30 PID 2340 wrote to memory of 2524 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 37 PID 2340 wrote to memory of 2524 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 37 PID 2340 wrote to memory of 2524 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 37 PID 2340 wrote to memory of 2524 2340 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 37 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\system32\wbem\wmic.exe"C:\upf\..\Windows\sbuwu\y\cuby\..\..\..\system32\duru\..\wbem\lti\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Windows\system32\wbem\wmic.exe"C:\fu\ok\..\..\Windows\nmsf\x\..\..\system32\q\..\wbem\vkcv\y\mr\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2524
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2796
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵
- System Location Discovery: System Language Discovery
PID:2972
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_6A7203E0EAD3404F8D9E9C5ACEC4D321.dat
Filesize940B
MD59446a249a298f345574a958d8a666bcc
SHA17e799ed5be7659f52531ebc10bceee2bbbffd130
SHA25671460f44ba5a7de21ba18e9b44899fbcc45dd3ec7af5642821d92207a3576230
SHA512c1e71227115fd04083266009f5005eee4f248d96b20f102e70d8de60a354bcc8df8cc6b51b59ac025fb840177d905517b1d3352531b7f30a3157d59db849f08a
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Filesize
6KB
MD56151f1b0390654aa98e459ad0c957a35
SHA173435b1676e2ad45ec3f36bab777d64148f25795
SHA256ab3d1d224dd26f5cc6472d614ea0d4a70a4eee967e4bf8d0d26dd0ea194c29cf
SHA512a9615c1e7e848b0df1bfde260dc044a9e911b9d8504ef94d6f0a4ea18f66aeb876ce053ffa30de86f7232ae1e5942131273cacf28344e6d0250a3edf3e105ac0