Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-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:\PerfLogs\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\Word\STARTUP\DECRYPT-FILES.html e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\u0e3t.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\u0e3t.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-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp" e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4324 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 4324 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 980 wmic.exe Token: SeSecurityPrivilege 980 wmic.exe Token: SeTakeOwnershipPrivilege 980 wmic.exe Token: SeLoadDriverPrivilege 980 wmic.exe Token: SeSystemProfilePrivilege 980 wmic.exe Token: SeSystemtimePrivilege 980 wmic.exe Token: SeProfSingleProcessPrivilege 980 wmic.exe Token: SeIncBasePriorityPrivilege 980 wmic.exe Token: SeCreatePagefilePrivilege 980 wmic.exe Token: SeBackupPrivilege 980 wmic.exe Token: SeRestorePrivilege 980 wmic.exe Token: SeShutdownPrivilege 980 wmic.exe Token: SeDebugPrivilege 980 wmic.exe Token: SeSystemEnvironmentPrivilege 980 wmic.exe Token: SeRemoteShutdownPrivilege 980 wmic.exe Token: SeUndockPrivilege 980 wmic.exe Token: SeManageVolumePrivilege 980 wmic.exe Token: 33 980 wmic.exe Token: 34 980 wmic.exe Token: 35 980 wmic.exe Token: 36 980 wmic.exe Token: SeIncreaseQuotaPrivilege 980 wmic.exe Token: SeSecurityPrivilege 980 wmic.exe Token: SeTakeOwnershipPrivilege 980 wmic.exe Token: SeLoadDriverPrivilege 980 wmic.exe Token: SeSystemProfilePrivilege 980 wmic.exe Token: SeSystemtimePrivilege 980 wmic.exe Token: SeProfSingleProcessPrivilege 980 wmic.exe Token: SeIncBasePriorityPrivilege 980 wmic.exe Token: SeCreatePagefilePrivilege 980 wmic.exe Token: SeBackupPrivilege 980 wmic.exe Token: SeRestorePrivilege 980 wmic.exe Token: SeShutdownPrivilege 980 wmic.exe Token: SeDebugPrivilege 980 wmic.exe Token: SeSystemEnvironmentPrivilege 980 wmic.exe Token: SeRemoteShutdownPrivilege 980 wmic.exe Token: SeUndockPrivilege 980 wmic.exe Token: SeManageVolumePrivilege 980 wmic.exe Token: 33 980 wmic.exe Token: 34 980 wmic.exe Token: 35 980 wmic.exe Token: 36 980 wmic.exe Token: SeBackupPrivilege 3876 vssvc.exe Token: SeRestorePrivilege 3876 vssvc.exe Token: SeAuditPrivilege 3876 vssvc.exe Token: SeIncreaseQuotaPrivilege 1972 wmic.exe Token: SeSecurityPrivilege 1972 wmic.exe Token: SeTakeOwnershipPrivilege 1972 wmic.exe Token: SeLoadDriverPrivilege 1972 wmic.exe Token: SeSystemProfilePrivilege 1972 wmic.exe Token: SeSystemtimePrivilege 1972 wmic.exe Token: SeProfSingleProcessPrivilege 1972 wmic.exe Token: SeIncBasePriorityPrivilege 1972 wmic.exe Token: SeCreatePagefilePrivilege 1972 wmic.exe Token: SeBackupPrivilege 1972 wmic.exe Token: SeRestorePrivilege 1972 wmic.exe Token: SeShutdownPrivilege 1972 wmic.exe Token: SeDebugPrivilege 1972 wmic.exe Token: SeSystemEnvironmentPrivilege 1972 wmic.exe Token: SeRemoteShutdownPrivilege 1972 wmic.exe Token: SeUndockPrivilege 1972 wmic.exe Token: SeManageVolumePrivilege 1972 wmic.exe Token: 33 1972 wmic.exe Token: 34 1972 wmic.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4324 wrote to memory of 980 4324 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 97 PID 4324 wrote to memory of 980 4324 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 97 PID 4324 wrote to memory of 1972 4324 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 102 PID 4324 wrote to memory of 1972 4324 e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe 102 -
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:4324 -
C:\Windows\system32\wbem\wmic.exe"C:\cephx\liny\..\..\Windows\lps\ide\..\..\system32\a\..\wbem\bg\qkl\vguth\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:980
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C:\Windows\system32\wbem\wmic.exe"C:\bl\dyynm\..\..\Windows\mv\v\..\..\system32\sg\mt\..\..\wbem\o\iujjg\wr\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3876
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4c4 0x46c1⤵PID:2044
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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Filesize
6KB
MD5add4d65c5718ec07f0f58a736021bdc6
SHA110b761519c49a4887ca29717f7f9401375909600
SHA256b027fada4420cdfb3a16b5454e0605f516f9c0ee1ae9c3a3709ea87bebbffb0e
SHA5121c43f23b4a23a5f755fcc2931e3d2a392fc3429c3831c16e6f8bb53533765031242078f4a109db4414607a88ab62f3f012735af7f572866aeec8041bc2566e21
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C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_F617EF2566534163B1B40D17DAABFAA7.dat
Filesize940B
MD5c38cd87249076f10c82e17634a5e16b4
SHA1045824ec6f640b99e0103c858db19d481c7eb1a3
SHA25666054dfd11e3e0fbc370890dcc7df4e5dee287eb9b23782e5566835ca36e888d
SHA5124ca6e0680b140476e999caf1d6196def96bb9246d055d84da205e2ec2b00e90991f6e7ee0f17c66eb2cb891dd33fce1dde5fa23e15fc2de68d45b9c9ee8cc4e4