Malware Analysis Report

2024-11-16 12:20

Sample ID 220201-s83nlahaap
Target 30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee
SHA256 30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee
Tags
medusalocker evasion ransomware trojan spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee

Threat Level: Known bad

The file 30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee was found to be: Known bad.

Malicious Activity Summary

medusalocker evasion ransomware trojan spyware stealer

MedusaLocker

MedusaLocker Payload

Medusalocker family

UAC bypass

Deletes shadow copies

Executes dropped EXE

Modifies extensions of user files

Reads user/profile data of web browsers

Checks whether UAC is enabled

Drops desktop.ini file(s)

Enumerates connected drives

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Checks processor information in registry

System policy modification

Interacts with shadow copies

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-01 15:48

Signatures

MedusaLocker Payload

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

Medusalocker family

medusalocker

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-01 15:48

Reported

2022-02-02 06:51

Platform

win7-en-20211208

Max time kernel

163s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe"

Signatures

MedusaLocker

ransomware medusalocker

MedusaLocker Payload

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

UAC bypass

evasion trojan

Deletes shadow copies

ransomware

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-2329389628-4064185017-3901522362-1000\desktop.ini C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Enumerates physical storage devices

Interacts with shadow copies

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\vssadmin.exe N/A
N/A N/A C:\Windows\SysWOW64\vssadmin.exe N/A
N/A N/A C:\Windows\SysWOW64\vssadmin.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
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\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 944 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\vssadmin.exe
PID 944 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 944 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 2024 wrote to memory of 1328 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svhost.exe
PID 2024 wrote to memory of 1328 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svhost.exe
PID 2024 wrote to memory of 1328 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svhost.exe
PID 2024 wrote to memory of 1328 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svhost.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe

"C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe"

C:\Windows\SysWOW64\vssadmin.exe

vssadmin.exe Delete Shadows /All /Quiet

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\SysWOW64\Wbem\wmic.exe

wmic.exe SHADOWCOPY /nointeractive

C:\Windows\SysWOW64\vssadmin.exe

vssadmin.exe Delete Shadows /All /Quiet

C:\Windows\SysWOW64\Wbem\wmic.exe

wmic.exe SHADOWCOPY /nointeractive

C:\Windows\SysWOW64\vssadmin.exe

vssadmin.exe Delete Shadows /All /Quiet

C:\Windows\SysWOW64\Wbem\wmic.exe

wmic.exe SHADOWCOPY /nointeractive

C:\Windows\system32\taskeng.exe

taskeng.exe {371147A2-B2EA-486D-9CDC-9ADB8934514C} S-1-5-21-2329389628-4064185017-3901522362-1000:QSKGHMYQ\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\svhost.exe

C:\Users\Admin\AppData\Roaming\svhost.exe

Network

N/A

Files

memory/944-55-0x0000000076921000-0x0000000076923000-memory.dmp

C:\Users\Admin\AppData\Roaming\svhost.exe

MD5 935144d70fd1702fd956c728f6f7d081
SHA1 09a9d1a7af48be7beba1fcda12e2626e2dbfff17
SHA256 30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee
SHA512 53ab50f96dd09ee0815e78cc9a6cdc5390d27abdf46f7662c83919805b705aaca074044a4f9c7a5016113ca2b66e53284d50795b137bebc28027664e32b38204

C:\Users\Admin\AppData\Roaming\svhost.exe

MD5 935144d70fd1702fd956c728f6f7d081
SHA1 09a9d1a7af48be7beba1fcda12e2626e2dbfff17
SHA256 30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee
SHA512 53ab50f96dd09ee0815e78cc9a6cdc5390d27abdf46f7662c83919805b705aaca074044a4f9c7a5016113ca2b66e53284d50795b137bebc28027664e32b38204

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 15:48

Reported

2022-02-02 06:51

Platform

win10v2004-en-20220112

Max time kernel

161s

Max time network

174s

Command Line

"C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe"

Signatures

MedusaLocker

ransomware medusalocker

MedusaLocker Payload

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

UAC bypass

evasion trojan

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Modifies extensions of user files

ransomware
Description Indicator Process Target
File renamed C:\Users\Admin\Pictures\CheckpointCompress.raw => C:\Users\Admin\Pictures\CheckpointCompress.raw.ReadInstructions C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File renamed C:\Users\Admin\Pictures\GetPush.png => C:\Users\Admin\Pictures\GetPush.png.ReadInstructions C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File renamed C:\Users\Admin\Pictures\UnlockResize.raw => C:\Users\Admin\Pictures\UnlockResize.raw.ReadInstructions C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Reads user/profile data of web browsers

spyware stealer

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-790714498-1549421491-1643397139-1000\desktop.ini C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\MusNotifyIcon.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\MusNotifyIcon.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1716 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 488 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 488 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 488 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1716 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe C:\Windows\SysWOW64\Wbem\wmic.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe

"C:\Users\Admin\AppData\Local\Temp\30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee.exe"

C:\Windows\SysWOW64\Wbem\wmic.exe

wmic.exe SHADOWCOPY /nointeractive

C:\Windows\SysWOW64\Wbem\wmic.exe

wmic.exe SHADOWCOPY /nointeractive

C:\Windows\SysWOW64\Wbem\wmic.exe

wmic.exe SHADOWCOPY /nointeractive

C:\Windows\system32\MusNotifyIcon.exe

%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13

C:\Users\Admin\AppData\Roaming\svhost.exe

C:\Users\Admin\AppData\Roaming\svhost.exe

Network

Country Destination Domain Proto
IE 40.126.31.137:443 tcp
NL 92.123.77.56:80 tcp
NL 92.123.77.56:80 tcp
NL 8.248.7.254:80 tcp
NL 8.248.7.254:80 tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 72.21.91.29:80 tcp

Files

C:\Users\Admin\AppData\Roaming\svhost.exe

MD5 935144d70fd1702fd956c728f6f7d081
SHA1 09a9d1a7af48be7beba1fcda12e2626e2dbfff17
SHA256 30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee
SHA512 53ab50f96dd09ee0815e78cc9a6cdc5390d27abdf46f7662c83919805b705aaca074044a4f9c7a5016113ca2b66e53284d50795b137bebc28027664e32b38204

C:\Users\Admin\AppData\Roaming\svhost.exe

MD5 935144d70fd1702fd956c728f6f7d081
SHA1 09a9d1a7af48be7beba1fcda12e2626e2dbfff17
SHA256 30695e8521df09745793c29fa62106b06f10ad109490562f58f7d1fa5c241fee
SHA512 53ab50f96dd09ee0815e78cc9a6cdc5390d27abdf46f7662c83919805b705aaca074044a4f9c7a5016113ca2b66e53284d50795b137bebc28027664e32b38204