Malware Analysis Report

2024-11-13 17:16

Sample ID 241108-w7xyhazlcp
Target e28bb0c12be9480d98e49fce8cced7b6.exe
SHA256 3c8aec76ac1f6c07f332c3f9a80c4c3c93c5f809b58dfed8abdb6a644e13c57c
Tags
systembc discovery persistence trojan
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

3c8aec76ac1f6c07f332c3f9a80c4c3c93c5f809b58dfed8abdb6a644e13c57c

Threat Level: Known bad

The file e28bb0c12be9480d98e49fce8cced7b6.exe was found to be: Known bad.

Malicious Activity Summary

systembc discovery persistence trojan

SystemBC

Systembc family

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 18:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 18:34

Reported

2024-11-08 18:36

Platform

win7-20240903-en

Max time kernel

140s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe"

Signatures

SystemBC

trojan systembc

Systembc family

systembc

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\e28bb0c12be9480d98e49fce8cced7b6.exe'\"" C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe

"C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 admex1955x.xyz udp
CN 120.26.240.121:4044 admex1955x.xyz tcp

Files

memory/2248-0-0x0000000000260000-0x0000000000275000-memory.dmp

memory/2248-1-0x0000000000260000-0x0000000000275000-memory.dmp

memory/2248-2-0x0000000000220000-0x0000000000225000-memory.dmp

memory/2248-3-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2248-4-0x0000000000260000-0x0000000000275000-memory.dmp

memory/2248-5-0x0000000000220000-0x0000000000225000-memory.dmp

memory/2248-6-0x0000000000400000-0x000000000092B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-08 18:34

Reported

2024-11-08 18:36

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe"

Signatures

SystemBC

trojan systembc

Systembc family

systembc

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\e28bb0c12be9480d98e49fce8cced7b6.exe'\"" C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe

"C:\Users\Admin\AppData\Local\Temp\e28bb0c12be9480d98e49fce8cced7b6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 67.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 admex1955x.xyz udp
CN 120.26.240.121:4044 admex1955x.xyz tcp

Files

memory/3232-0-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

memory/3232-1-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

memory/3232-2-0x0000000000AF0000-0x0000000000AF5000-memory.dmp

memory/3232-3-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3232-4-0x0000000000AD0000-0x0000000000AE5000-memory.dmp

memory/3232-5-0x0000000000AF0000-0x0000000000AF5000-memory.dmp

memory/3232-6-0x0000000000400000-0x000000000092B000-memory.dmp