Malware Analysis Report

2025-01-03 09:27

Sample ID 240604-y95ggaad8t
Target b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2
SHA256 b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2
Tags
bootkit persistence
score
6/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2

Threat Level: Shows suspicious behavior

The file b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 20:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 20:30

Reported

2024-06-04 20:32

Platform

win7-20240221-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.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
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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2288 wrote to memory of 8768 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8768 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8768 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8768 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 8768 wrote to memory of 8792 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8768 wrote to memory of 8792 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8768 wrote to memory of 8792 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8768 wrote to memory of 8792 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 2288 wrote to memory of 8872 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8872 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8872 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8872 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 8872 wrote to memory of 8896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8872 wrote to memory of 8896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8872 wrote to memory of 8896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8872 wrote to memory of 8896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 2288 wrote to memory of 8928 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8928 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8928 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 2288 wrote to memory of 8928 N/A C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe C:\Windows\SysWOW64\cmd.exe
PID 8928 wrote to memory of 8952 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8928 wrote to memory of 8952 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8928 wrote to memory of 8952 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 8928 wrote to memory of 8952 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe

"C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c wmic cpu get name/value

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

wmic cpu get name/value

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c wmic Path Win32_DisplayConfiguration get DeviceName/value

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

wmic Path Win32_DisplayConfiguration get DeviceName/value

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c wmic COMPUTERSYSTEM get TotalPhysicalMemory/value

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

wmic COMPUTERSYSTEM get TotalPhysicalMemory/value

Network

N/A

Files

memory/2288-0-0x0000000000400000-0x0000000000873000-memory.dmp

memory/2288-1-0x0000000075F00000-0x0000000075F47000-memory.dmp

memory/2288-524-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-526-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-536-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-556-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-558-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-554-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-552-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-550-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-548-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-546-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-544-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-542-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-540-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-538-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-534-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-532-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-530-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-528-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-522-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-520-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-518-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-516-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-514-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-512-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-510-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-508-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-506-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-504-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-503-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-560-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-562-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-564-0x0000000002820000-0x0000000002931000-memory.dmp

memory/2288-7990-0x0000000000400000-0x0000000000873000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 20:30

Reported

2024-06-04 20:32

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe

"C:\Users\Admin\AppData\Local\Temp\b4e6152aa86d7a0ef864872a2f28e8c529468a94bd9440ba7793365324981fe2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
BE 88.221.83.185:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 185.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/388-0-0x0000000000400000-0x0000000000873000-memory.dmp

memory/388-1-0x0000000076F50000-0x0000000077165000-memory.dmp