Malware Analysis Report

2024-11-13 17:16

Sample ID 231209-wby6pabce4
Target 96A3EA4BC09BBA5437EF00C758924CAE.exe
SHA256 5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a
Tags
systembc 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

5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a

Threat Level: Known bad

The file 96A3EA4BC09BBA5437EF00C758924CAE.exe was found to be: Known bad.

Malicious Activity Summary

systembc persistence trojan

SystemBC

Adds Run key to start application

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-09 17:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-09 17:45

Reported

2023-12-09 17:48

Platform

win7-20231020-en

Max time kernel

118s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe"

Signatures

SystemBC

trojan systembc

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZillaUpdater = "C:\\Users\\Admin\\AppData\\Local\\ZillaUpdater.exe" C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1740 set thread context of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1740 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 1740 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

Processes

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

"C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe"

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 wprogs.top udp
US 5.161.74.235:4001 wprogs.top tcp

Files

memory/1740-0-0x00000000011A0000-0x0000000001214000-memory.dmp

memory/1740-1-0x0000000074230000-0x000000007491E000-memory.dmp

memory/1740-2-0x0000000001110000-0x0000000001150000-memory.dmp

memory/1740-3-0x0000000000550000-0x0000000000596000-memory.dmp

memory/1740-4-0x0000000000740000-0x000000000076E000-memory.dmp

memory/1740-5-0x0000000000A10000-0x0000000000A3E000-memory.dmp

memory/1740-6-0x0000000001150000-0x000000000119C000-memory.dmp

memory/2640-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2640-9-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2640-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2640-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2640-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2640-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2640-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1740-17-0x0000000074230000-0x000000007491E000-memory.dmp

memory/2640-18-0x0000000000400000-0x0000000000407000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-09 17:45

Reported

2023-12-09 17:48

Platform

win10v2004-20231127-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe"

Signatures

SystemBC

trojan systembc

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZillaUpdater = "C:\\Users\\Admin\\AppData\\Local\\ZillaUpdater.exe" C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4940 set thread context of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 4940 wrote to memory of 5000 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

Processes

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

"C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe"

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 226.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 89.254.221.88.in-addr.arpa udp
US 8.8.8.8:53 48.254.221.88.in-addr.arpa udp
US 8.8.8.8:53 wprogs.top udp
US 5.161.74.235:4001 wprogs.top tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 235.74.161.5.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/4940-0-0x00000000743E0000-0x0000000074B90000-memory.dmp

memory/4940-1-0x0000000000F10000-0x0000000000F84000-memory.dmp

memory/4940-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

memory/4940-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

memory/4940-4-0x0000000005B60000-0x0000000005B70000-memory.dmp

memory/4940-5-0x00000000059A0000-0x00000000059AA000-memory.dmp

memory/4940-6-0x00000000059B0000-0x00000000059F6000-memory.dmp

memory/4940-7-0x0000000005B10000-0x0000000005B3E000-memory.dmp

memory/4940-8-0x0000000005C60000-0x0000000005C8E000-memory.dmp

memory/4940-9-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

memory/4940-10-0x0000000005DA0000-0x0000000005E06000-memory.dmp

memory/5000-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/5000-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4940-16-0x00000000743E0000-0x0000000074B90000-memory.dmp

memory/4940-17-0x00000000743E0000-0x0000000074B90000-memory.dmp