Malware Analysis Report

2024-11-30 22:15

Sample ID 241121-lvftcazhqd
Target malware.exe
SHA256 f12736051e4df3d70a26da397ab6b5f7b54f8de9ffec759afb99a91b59568019
Tags
upx legion discovery downloader loader 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

f12736051e4df3d70a26da397ab6b5f7b54f8de9ffec759afb99a91b59568019

Threat Level: Known bad

The file malware.exe was found to be: Known bad.

Malicious Activity Summary

upx legion discovery downloader loader stealer

Legion family

Legion, RobotDropper, Satacom

Suspicious use of SetThreadContext

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 09:52

Signatures

UPX packed file

upx
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

2024-11-21 09:51

Reported

2024-11-21 09:53

Platform

win10ltsc2021-20241023-en

Max time kernel

58s

Max time network

36s

Command Line

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

Signatures

Legion family

legion

Legion, RobotDropper, Satacom

downloader stealer legion

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4700 set thread context of 2060 N/A C:\Users\Admin\AppData\Local\Temp\malware.exe C:\Windows\SysWOW64\explorer.exe

UPX packed file

upx
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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Processes

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

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

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 hit-8841.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 fd.api.iris.microsoft.com udp
IE 20.223.36.55:443 fd.api.iris.microsoft.com tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp

Files

memory/4700-4-0x00007FF7BD5FF000-0x00007FF7BDA78000-memory.dmp

memory/4700-1-0x00007FF7BD500000-0x00007FF7BE1C6000-memory.dmp

memory/4700-0-0x00007FFBB9DD0000-0x00007FFBB9DD2000-memory.dmp

memory/4700-8-0x0000015F7E830000-0x0000015F7E856000-memory.dmp

memory/4700-9-0x00007FF7BD500000-0x00007FF7BE1C6000-memory.dmp

memory/2060-10-0x0000000000840000-0x0000000000868000-memory.dmp

memory/2060-11-0x0000000000840000-0x0000000000868000-memory.dmp

memory/2060-12-0x0000000000840000-0x0000000000868000-memory.dmp

memory/2060-13-0x0000000000840000-0x0000000000868000-memory.dmp

memory/2060-16-0x0000000000840000-0x0000000000868000-memory.dmp

memory/2060-14-0x0000000000870000-0x0000000000939000-memory.dmp

memory/4700-17-0x00007FF7BD5FF000-0x00007FF7BDA78000-memory.dmp

memory/4700-18-0x00007FF7BD500000-0x00007FF7BE1C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 09:51

Reported

2024-11-21 09:53

Platform

win11-20241007-en

Max time kernel

50s

Max time network

4s

Command Line

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

Signatures

Legion family

legion

Legion, RobotDropper, Satacom

downloader stealer legion

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3496 set thread context of 1056 N/A C:\Users\Admin\AppData\Local\Temp\malware.exe C:\Windows\SysWOW64\explorer.exe

UPX packed file

upx
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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Processes

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

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

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 hit-8841.com udp

Files

memory/3496-0-0x00007FF7B04CF000-0x00007FF7B0948000-memory.dmp

memory/3496-1-0x00007FFDD80F0000-0x00007FFDD80F2000-memory.dmp

memory/3496-4-0x00007FF7B03D0000-0x00007FF7B1096000-memory.dmp

memory/3496-9-0x00007FF7B03D0000-0x00007FF7B1096000-memory.dmp

memory/1056-11-0x00000000005C0000-0x00000000005E8000-memory.dmp

memory/1056-10-0x00000000005C0000-0x00000000005E8000-memory.dmp

memory/1056-12-0x00000000005C0000-0x00000000005E8000-memory.dmp

memory/3496-13-0x00007FF7B03D0000-0x00007FF7B1096000-memory.dmp

memory/1056-16-0x00000000005C0000-0x00000000005E8000-memory.dmp

memory/3496-17-0x00007FF7B04CF000-0x00007FF7B0948000-memory.dmp

memory/3496-18-0x00007FF7B03D0000-0x00007FF7B1096000-memory.dmp