Malware Analysis Report

2024-12-06 03:03

Sample ID 241122-gcbpfs1mfq
Target malware.exe
SHA256 f12736051e4df3d70a26da397ab6b5f7b54f8de9ffec759afb99a91b59568019
Tags
legion discovery downloader loader stealer upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

legion discovery downloader loader stealer upx

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

2024-11-22 05:39

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: behavioral2

Detonation Overview

Submitted

2024-11-22 05:39

Reported

2024-11-22 05:41

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

145s

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 3916 set thread context of 3428 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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.245.20.2.in-addr.arpa udp

Files

memory/3916-0-0x00007FF6E2A3F000-0x00007FF6E2EB8000-memory.dmp

memory/3916-2-0x00007FF6E2940000-0x00007FF6E3606000-memory.dmp

memory/3916-1-0x00007FFA675D0000-0x00007FFA675D2000-memory.dmp

memory/3916-9-0x00007FF6E2940000-0x00007FF6E3606000-memory.dmp

memory/3916-10-0x00007FF6E2940000-0x00007FF6E3606000-memory.dmp

memory/3428-11-0x0000000000E80000-0x0000000000EA8000-memory.dmp

memory/3428-12-0x0000000000E80000-0x0000000000EA8000-memory.dmp

memory/3428-13-0x0000000000E80000-0x0000000000EA8000-memory.dmp

memory/3428-14-0x0000000000E80000-0x0000000000EA8000-memory.dmp

memory/3428-17-0x0000000000E80000-0x0000000000EA8000-memory.dmp

memory/3916-18-0x00007FF6E2A3F000-0x00007FF6E2EB8000-memory.dmp

memory/3916-19-0x00007FF6E2940000-0x00007FF6E3606000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 05:39

Reported

2024-11-22 05:41

Platform

win7-20241010-en

Max time kernel

120s

Max time network

127s

Command Line

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

Signatures

UPX packed file

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

Processes

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

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

Network

N/A

Files

memory/2884-1-0x000000017FFC0000-0x0000000180C86000-memory.dmp