Malware Analysis Report

2024-09-22 14:44

Sample ID 231011-yzr4dsaf9t
Target f83fb9ce6a83da58b20685c1d7e1e546.zip
SHA256 77b2731ff3c7a14b8b962ea387c41293415b3478e73973888851991105777560
Tags
maze ransomware spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

77b2731ff3c7a14b8b962ea387c41293415b3478e73973888851991105777560

Threat Level: Known bad

The file f83fb9ce6a83da58b20685c1d7e1e546.zip was found to be: Known bad.

Malicious Activity Summary

maze ransomware spyware stealer trojan

Maze

Deletes shadow copies

Drops startup file

Reads user/profile data of web browsers

Sets desktop wallpaper using registry

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Uses Volume Shadow Copy service COM API

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2023-10-11 20:13

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-11 20:13

Reported

2023-10-12 14:28

Platform

win7-20230831-en

Max time kernel

153s

Max time network

182s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"

Signatures

Maze

trojan ransomware maze

Deletes shadow copies

ransomware

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xjpok.dat C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A

Reads user/profile data of web browsers

spyware stealer

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\123456789.bmp" C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe

"C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"

C:\Windows\system32\wbem\wmic.exe

"C:\sxhn\..\Windows\whsl\mok\lx\..\..\..\system32\g\..\wbem\cn\..\wmic.exe" shadowcopy delete

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\system32\wbem\wmic.exe

"C:\ojqu\u\..\..\Windows\cj\..\system32\mkh\..\wbem\hfsq\ogvj\vee\..\..\..\wmic.exe" shadowcopy delete

C:\Windows\SysWOW64\DllHost.exe

C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}

Network

Country Destination Domain Proto
TR 92.63.8.47:80 tcp
TR 92.63.8.47:80 tcp
TR 92.63.8.47:80 tcp
TR 92.63.8.47:80 tcp
TR 92.63.8.47:80 tcp
PL 92.63.32.2:80 tcp
PL 92.63.32.2:80 tcp
PL 92.63.32.2:80 tcp
PL 92.63.32.2:80 tcp
PL 92.63.32.2:80 tcp
PL 92.63.37.100:80 tcp
PL 92.63.37.100:80 tcp
PL 92.63.37.100:80 tcp
PL 92.63.37.100:80 tcp
PL 92.63.37.100:80 tcp
PL 92.63.37.100:80 tcp
RU 92.63.194.20:80 92.63.194.20 tcp
RU 92.63.194.20:80 92.63.194.20 tcp
SI 92.63.17.245:80 92.63.17.245 tcp
PL 92.63.32.55:80 tcp
RU 92.63.194.20:80 92.63.194.20 tcp
SI 92.63.17.245:80 92.63.17.245 tcp
PL 92.63.32.55:80 tcp
PL 92.63.32.55:80 tcp
PL 92.63.32.55:80 tcp

Files

memory/2080-0-0x0000000000800000-0x0000000000859000-memory.dmp

memory/2080-1-0x0000000000860000-0x00000000008BB000-memory.dmp

memory/2080-5-0x0000000000860000-0x00000000008BB000-memory.dmp

memory/2080-9-0x0000000000860000-0x00000000008BB000-memory.dmp

memory/2080-13-0x0000000000860000-0x00000000008BB000-memory.dmp

C:\Users\DECRYPT-FILES.html

MD5 688083fd4f4292b7db3a1a02f3a6fe8c
SHA1 b37fcbc3dcd2728ba40bdb491907c72f9d044fc7
SHA256 4b300882e0f993f62b25ed9330128be265a5e8038334ab9dbadcf121bab9a0fa
SHA512 6558733930dec990b23805174ac8bbaf948307c81406095e5bdd5316255e1b46b43b3fdcd6817b52eb11a3199e80cac9baee10827dc2a3557f6cea0d6be10da1

memory/2080-1760-0x0000000000860000-0x00000000008BB000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_132DD11254E94A02A46A42A906B7C57E.dat

MD5 959dc1c3098e187c4853a2d2220030d0
SHA1 7bc065da53605ff3b210668e013176aae2f7f55f
SHA256 46f041928549f033f293bb105d255e072bf200547d56c24a4ddc1e30081b1efb
SHA512 dceba81f796c54669f5cea48d13d63c11077499a1d059bd75c2bacd2d748dabef4feabbe3463f90d8ee95b46f4e1d3ed595459819077cd5b59ce9530abbfb1ac

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-11 20:13

Reported

2023-10-12 14:28

Platform

win10v2004-20230915-en

Max time kernel

151s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"

Signatures

Maze

trojan ransomware maze

Deletes shadow copies

ransomware

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\dd8y87rb.dat C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.html C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dd8y87rb.dat C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.html C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe N/A

Reads user/profile data of web browsers

spyware stealer

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe

"C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"

C:\Windows\system32\wbem\wmic.exe

"C:\uxa\vc\..\..\Windows\ykye\ow\..\..\system32\cuiwx\ho\..\..\wbem\j\..\wmic.exe" shadowcopy delete

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 254.210.247.8.in-addr.arpa udp
TR 92.63.8.47:80 tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
TR 92.63.8.47:80 tcp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 254.177.238.8.in-addr.arpa udp
PL 92.63.32.2:80 tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp
PL 92.63.32.2:80 tcp

Files

memory/1352-0-0x0000000002460000-0x00000000024B9000-memory.dmp

memory/1352-1-0x0000000002600000-0x000000000265B000-memory.dmp

memory/1352-5-0x0000000002600000-0x000000000265B000-memory.dmp

memory/1352-9-0x0000000002600000-0x000000000265B000-memory.dmp

memory/1352-10-0x0000000002600000-0x000000000265B000-memory.dmp

memory/1352-14-0x0000000002600000-0x000000000265B000-memory.dmp

C:\odt\DECRYPT-FILES.html

MD5 ba8396d30e9439d0b2116b65e306f19f
SHA1 8effff1997ef10d6823324a3631cd51076f83873
SHA256 cc12b6dba81833c4e07498c052e299288edbcdc17dbc22c9b6ae912f650ac985
SHA512 174572d192c92e0410809d48310eafd386ae120a982306326780dbfaf6a55f54fdc07a15bfaeed5d0355ac3c317991d89483349d433fb8f2fff2c850adc5c591