Malware Analysis Report

2024-10-19 06:58

Sample ID 240324-y2v8tsag9t
Target 55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5
SHA256 55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5
Tags
azorult infostealer trojan upx
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

55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5

Threat Level: Known bad

The file 55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5 was found to be: Known bad.

Malicious Activity Summary

azorult infostealer trojan upx

Azorult

UPX dump on OEP (original entry point)

UPX dump on OEP (original entry point)

Checks computer location settings

Deletes itself

UPX packed file

AutoIT Executable

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Delays execution with timeout.exe

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-24 20:17

Signatures

UPX dump on OEP (original entry point)

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

UPX packed file

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

AutoIT Executable

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-24 20:17

Reported

2024-03-24 20:19

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"

Signatures

Azorult

trojan infostealer azorult

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

Deletes itself

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

UPX packed file

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 756 set thread context of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

Delays execution with timeout.exe

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 756 wrote to memory of 960 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\SysWOW64\cmd.exe
PID 756 wrote to memory of 960 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\SysWOW64\cmd.exe
PID 756 wrote to memory of 960 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\SysWOW64\cmd.exe
PID 756 wrote to memory of 960 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\SysWOW64\cmd.exe
PID 960 wrote to memory of 2596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 960 wrote to memory of 2596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 960 wrote to memory of 2596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 960 wrote to memory of 2596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe

"C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"

C:\Windows\SysWOW64\timeout.exe

TimeOut 1

Network

Country Destination Domain Proto
IR 185.79.156.23:80 tcp
IR 185.79.156.23:80 tcp
IR 185.79.156.23:80 tcp

Files

memory/756-0-0x0000000000FF0000-0x0000000001184000-memory.dmp

memory/756-3-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/1668-4-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1668-5-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1668-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1668-14-0x0000000000400000-0x0000000000420000-memory.dmp

memory/756-18-0x0000000000FF0000-0x0000000001184000-memory.dmp

memory/1668-16-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1668-19-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1668-21-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1668-23-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1668-25-0x0000000000400000-0x0000000000420000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 20:17

Reported

2024-03-24 20:19

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"

Signatures

Azorult

trojan infostealer azorult

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe N/A

UPX packed file

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4088 set thread context of 5640 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

Delays execution with timeout.exe

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4088 wrote to memory of 5640 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4088 wrote to memory of 5640 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4088 wrote to memory of 5640 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4088 wrote to memory of 5640 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4088 wrote to memory of 5640 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4088 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\SysWOW64\cmd.exe
PID 4088 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\SysWOW64\cmd.exe
PID 4088 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe C:\Windows\SysWOW64\cmd.exe
PID 4856 wrote to memory of 4924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4856 wrote to memory of 4924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4856 wrote to memory of 4924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe

"C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"

C:\Windows\SysWOW64\timeout.exe

TimeOut 1

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
IR 185.79.156.23:80 tcp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
IR 185.79.156.23:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 205.47.74.20.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 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 udp

Files

memory/4088-0-0x00000000003E0000-0x0000000000574000-memory.dmp

memory/4088-3-0x0000000001C80000-0x0000000001C81000-memory.dmp

memory/5640-4-0x0000000000400000-0x0000000000420000-memory.dmp

memory/5640-12-0x0000000000400000-0x0000000000420000-memory.dmp

memory/5640-14-0x0000000000400000-0x0000000000420000-memory.dmp

memory/5640-16-0x0000000000400000-0x0000000000420000-memory.dmp

memory/5640-18-0x0000000000400000-0x0000000000420000-memory.dmp

memory/5640-20-0x0000000000400000-0x0000000000420000-memory.dmp

memory/5640-22-0x0000000000400000-0x0000000000420000-memory.dmp

memory/4088-23-0x00000000003E0000-0x0000000000574000-memory.dmp