Malware Analysis Report

2024-10-23 22:01

Sample ID 230730-25hzfsbf59
Target WSHRat.3.4.1.exe
SHA256 7e160f885fe15d7f5b67e3d321c1bd8240a63bb80c8156f604829f0cbadba313
Tags
vmprotect wshrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7e160f885fe15d7f5b67e3d321c1bd8240a63bb80c8156f604829f0cbadba313

Threat Level: Known bad

The file WSHRat.3.4.1.exe was found to be: Known bad.

Malicious Activity Summary

vmprotect wshrat

Wshrat family

WSHRAT payload

VMProtect packed file

Unsigned PE

Checks SCSI registry key(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-30 23:09

Signatures

WSHRAT payload

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

Wshrat family

wshrat

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-30 23:09

Reported

2023-07-30 23:10

Platform

win10v2004-20230703-en

Max time kernel

39s

Max time network

41s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe"

Signatures

VMProtect packed file

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

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 C:\Windows\system32\taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName C:\Windows\system32\taskmgr.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.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
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe

"C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /c wmic csproduct get UUID

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

wmic csproduct get UUID

C:\Windows\SysWOW64\cmd.exe

"cmd" /c taskkill /F /IM WSHRat.3.4.1.exe

C:\Windows\SysWOW64\taskkill.exe

taskkill /F /IM WSHRat.3.4.1.exe

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /4

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 assets.msn.com udp
NL 88.221.24.27:443 assets.msn.com tcp
US 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 27.24.221.88.in-addr.arpa udp
US 8.8.8.8:53 kingmummylive.com udp
NL 160.153.133.148:80 kingmummylive.com tcp
US 8.8.8.8:53 148.133.153.160.in-addr.arpa udp
NL 160.153.133.148:80 kingmummylive.com tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

memory/4668-133-0x0000000074510000-0x0000000074CC0000-memory.dmp

memory/4668-134-0x0000000000800000-0x0000000000B7E000-memory.dmp

memory/4668-135-0x0000000005420000-0x0000000005421000-memory.dmp

memory/4668-136-0x00000000055D0000-0x00000000055E0000-memory.dmp

memory/4668-137-0x00000000059E0000-0x0000000005A7C000-memory.dmp

memory/4668-138-0x0000000006030000-0x00000000065D4000-memory.dmp

memory/4668-139-0x0000000005A80000-0x0000000005B12000-memory.dmp

memory/4668-140-0x0000000005990000-0x000000000599A000-memory.dmp

memory/4668-141-0x0000000005C70000-0x0000000005CC6000-memory.dmp

memory/4668-142-0x00000000055D0000-0x00000000055E0000-memory.dmp

memory/4668-143-0x0000000074510000-0x0000000074CC0000-memory.dmp

memory/4668-144-0x0000000005420000-0x0000000005421000-memory.dmp

memory/4668-145-0x00000000055D0000-0x00000000055E0000-memory.dmp

memory/4668-148-0x0000000074510000-0x0000000074CC0000-memory.dmp

memory/2328-149-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-150-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-151-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-155-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-158-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-157-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-156-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-159-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-160-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp

memory/2328-161-0x000001AA82DE0000-0x000001AA82DE1000-memory.dmp