Malware Analysis Report

2024-11-30 02:48

Sample ID 240407-wphe4aae7t
Target 00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723
SHA256 00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723
Tags
bootkit persistence spyware stealer
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723

Threat Level: Known bad

The file 00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723 was found to be: Known bad.

Malicious Activity Summary

bootkit persistence spyware stealer

UPX dump on OEP (original entry point)

Detects executables containing base64 encoded User Agent

UPX dump on OEP (original entry point)

Blocklisted process makes network request

Reads user/profile data of web browsers

Adds Run key to start application

Writes to the Master Boot Record (MBR)

Enumerates connected drives

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:05

Signatures

UPX dump on OEP (original entry point)

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

2024-04-07 18:05

Reported

2024-04-07 18:08

Platform

win7-20240221-en

Max time kernel

142s

Max time network

155s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll,#1

Signatures

Detects executables containing base64 encoded User Agent

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

UPX dump on OEP (original entry point)

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

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "C:\\Windows\\SysWOW64\\rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll\",Compliance" C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\z: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\g: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\v: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\x: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\t: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\u: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\y: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\j: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\o: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\q: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\p: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\r: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\w: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\a: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\k: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\m: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\i: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\l: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\n: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\s: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\b: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\e: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\h: C:\Windows\SysWOW64\rundll32.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Windows\SysWOW64\rundll32.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1736 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1736 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1736 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1736 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1736 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1736 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1736 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll,#1

Network

Country Destination Domain Proto
US 107.163.241.181:16300 tcp
US 107.163.43.144:12388 107.163.43.144 tcp
US 107.163.241.181:16300 tcp
US 107.163.241.193:6520 tcp
US 107.163.241.182:12354 tcp
US 107.163.241.182:12354 tcp
US 107.163.241.182:12354 tcp
US 107.163.241.182:12354 tcp
US 107.163.241.193:6520 tcp
US 107.163.241.193:6520 tcp
US 107.163.241.193:6520 tcp

Files

memory/2180-1-0x0000000010000000-0x000000001004E000-memory.dmp

memory/2180-0-0x0000000010000000-0x000000001004E000-memory.dmp

memory/2180-2-0x0000000010000000-0x000000001004E000-memory.dmp

memory/2180-6-0x0000000010000000-0x000000001004E000-memory.dmp

memory/2180-12-0x0000000010000000-0x000000001004E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:05

Reported

2024-04-07 18:08

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

157s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll,#1

Signatures

Detects executables containing base64 encoded User Agent

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

UPX dump on OEP (original entry point)

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

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "C:\\Windows\\SysWOW64\\rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll\",Compliance" C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\w: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\y: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\b: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\k: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\m: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\p: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\s: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\t: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\v: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\x: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\a: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\g: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\h: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\o: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\r: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\u: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\i: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\l: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\n: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\q: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\e: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\j: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\z: C:\Windows\SysWOW64\rundll32.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Windows\SysWOW64\rundll32.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2772 wrote to memory of 2544 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2544 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2544 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00e247bbe003a5865423edca9a2c80d2018f873012f6fc930e43d3826a4d9723.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 107.163.241.181:16300 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 107.163.43.144:12388 tcp
US 107.163.241.193:6520 tcp
US 107.163.241.182:12354 tcp
US 107.163.241.182:12354 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 107.163.241.182:12354 tcp
US 107.163.241.193:6520 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 107.163.241.193:6520 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 107.163.241.193:6520 tcp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp
US 107.163.241.193:6520 tcp

Files

memory/2544-0-0x0000000010000000-0x000000001004E000-memory.dmp

memory/2544-1-0x0000000010000000-0x000000001004E000-memory.dmp

memory/2544-3-0x0000000010000000-0x000000001004E000-memory.dmp

memory/2544-9-0x0000000010000000-0x000000001004E000-memory.dmp