Malware Analysis Report

2024-11-13 17:16

Sample ID 231209-wcllzshgbl
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 17:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-09 17:46

Reported

2023-12-09 17:49

Platform

win7-20231023-en

Max time kernel

118s

Max time network

139s

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-1-5-21-3425689832-2386927309-2650718742-1000\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 2152 set thread context of 2760 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 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 2152 wrote to memory of 2760 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 wprogs.top udp
US 5.161.74.235:4001 wprogs.top tcp

Files

memory/2152-1-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2152-0-0x0000000000D50000-0x0000000000DC4000-memory.dmp

memory/2152-2-0x00000000048F0000-0x0000000004930000-memory.dmp

memory/2152-3-0x0000000000520000-0x0000000000566000-memory.dmp

memory/2152-4-0x00000000009C0000-0x00000000009EE000-memory.dmp

memory/2152-5-0x0000000000A40000-0x0000000000A6E000-memory.dmp

memory/2152-6-0x00000000046C0000-0x000000000470C000-memory.dmp

memory/2760-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2760-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2760-20-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2760-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2760-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2760-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2760-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2760-22-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2152-23-0x0000000074190000-0x000000007487E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-09 17:46

Reported

2023-12-09 17:49

Platform

win10v2004-20231201-en

Max time kernel

140s

Max time network

145s

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-1-5-21-2192493100-457715857-1189582111-1000\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 5000 set thread context of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe

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 5000 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe C:\Users\Admin\AppData\Local\Temp\96A3EA4BC09BBA5437EF00C758924CAE.exe
PID 5000 wrote to memory of 2672 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 6.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.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 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
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 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 81.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 wprogs.top udp
US 5.161.74.235:4001 wprogs.top tcp
US 8.8.8.8:53 235.74.161.5.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/5000-1-0x0000000074FA0000-0x0000000075750000-memory.dmp

memory/5000-0-0x00000000008F0000-0x0000000000964000-memory.dmp

memory/5000-2-0x0000000005AA0000-0x0000000006044000-memory.dmp

memory/5000-3-0x0000000005390000-0x0000000005422000-memory.dmp

memory/5000-4-0x0000000005330000-0x0000000005340000-memory.dmp

memory/5000-6-0x00000000054A0000-0x00000000054E6000-memory.dmp

memory/5000-7-0x00000000055E0000-0x000000000560E000-memory.dmp

memory/5000-5-0x0000000005370000-0x000000000537A000-memory.dmp

memory/5000-9-0x0000000005690000-0x00000000056DC000-memory.dmp

memory/5000-8-0x0000000005630000-0x000000000565E000-memory.dmp

memory/5000-10-0x0000000005770000-0x00000000057D6000-memory.dmp

memory/2672-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2672-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/5000-16-0x0000000074FA0000-0x0000000075750000-memory.dmp