Malware Analysis Report

2024-10-23 22:01

Sample ID 230730-x54hyabb92
Target WSHRat.3.4.1.exe
SHA256 7e160f885fe15d7f5b67e3d321c1bd8240a63bb80c8156f604829f0cbadba313
Tags
vmprotect wshrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

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

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-07-30 19:27

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 19:27

Reported

2023-07-30 19:29

Platform

win7-20230712-en

Max time kernel

149s

Max time network

121s

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.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

Processes

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

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

Network

N/A

Files

memory/2792-55-0x0000000000F10000-0x000000000128E000-memory.dmp

memory/2792-54-0x0000000074C70000-0x000000007535E000-memory.dmp

memory/2792-56-0x0000000074C70000-0x000000007535E000-memory.dmp

memory/2792-57-0x0000000074C70000-0x000000007535E000-memory.dmp

memory/2792-58-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2792-59-0x0000000005270000-0x00000000052B0000-memory.dmp

memory/2792-60-0x00000000052B0000-0x0000000005406000-memory.dmp

memory/2792-61-0x0000000005270000-0x00000000052B0000-memory.dmp

memory/2792-62-0x0000000005270000-0x00000000052B0000-memory.dmp

memory/2792-63-0x0000000074C70000-0x000000007535E000-memory.dmp

memory/2792-64-0x0000000005270000-0x00000000052B0000-memory.dmp

memory/2792-65-0x0000000005270000-0x00000000052B0000-memory.dmp

memory/2792-66-0x0000000005270000-0x00000000052B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-30 19:27

Reported

2023-07-30 19:29

Platform

win10v2004-20230703-en

Max time kernel

132s

Max time network

149s

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

Kills process with taskkill

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSHRat.3.4.1.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: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.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 taskkill /F /IM WSHRat.3.4.1.exe

C:\Windows\SysWOW64\taskkill.exe

taskkill /F /IM WSHRat.3.4.1.exe

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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.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
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 160.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/4612-134-0x00000000009C0000-0x0000000000D3E000-memory.dmp

memory/4612-133-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/4612-135-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/4612-136-0x00000000055E0000-0x00000000055E1000-memory.dmp

memory/4612-137-0x0000000005720000-0x0000000005730000-memory.dmp

memory/4612-138-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

memory/4612-139-0x00000000061F0000-0x0000000006794000-memory.dmp

memory/4612-140-0x0000000005C40000-0x0000000005CD2000-memory.dmp

memory/4612-141-0x0000000005B40000-0x0000000005B4A000-memory.dmp

memory/4612-142-0x0000000005E30000-0x0000000005E86000-memory.dmp

memory/4612-143-0x0000000005720000-0x0000000005730000-memory.dmp

memory/4612-144-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/4612-145-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/4612-146-0x0000000005720000-0x0000000005730000-memory.dmp

memory/4612-147-0x0000000005720000-0x0000000005730000-memory.dmp

memory/4612-148-0x0000000005720000-0x0000000005730000-memory.dmp

memory/4612-149-0x0000000005720000-0x0000000005730000-memory.dmp

memory/4612-153-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/4612-154-0x0000000005720000-0x0000000005730000-memory.dmp