Malware Analysis Report

2024-11-13 17:16

Sample ID 231211-c2b93aagbr
Target 96a3ea4bc09bba5437ef00c758924cae.bin
SHA256 96898e290b9cb99d4ca91f17d0d3f32903f1834ae1e3f025186e050c4f2e4e18
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

96898e290b9cb99d4ca91f17d0d3f32903f1834ae1e3f025186e050c4f2e4e18

Threat Level: Known bad

The file 96a3ea4bc09bba5437ef00c758924cae.bin 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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-11 02:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-11 02:33

Reported

2023-12-11 02:36

Platform

win7-20231023-en

Max time kernel

122s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.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\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 2232 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe

"C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe"

C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe

C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.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/2232-0-0x00000000013B0000-0x0000000001424000-memory.dmp

memory/2232-1-0x0000000074740000-0x0000000074E2E000-memory.dmp

memory/2232-2-0x0000000001340000-0x0000000001380000-memory.dmp

memory/2232-3-0x0000000000840000-0x0000000000886000-memory.dmp

memory/2232-4-0x00000000009D0000-0x00000000009FE000-memory.dmp

memory/2232-5-0x0000000000B40000-0x0000000000B6E000-memory.dmp

memory/2232-6-0x0000000000BD0000-0x0000000000C1C000-memory.dmp

memory/2716-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2716-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2716-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2716-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2716-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2716-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2716-20-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2232-23-0x0000000074740000-0x0000000074E2E000-memory.dmp

memory/2716-22-0x0000000000400000-0x0000000000407000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-11 02:33

Reported

2023-12-11 02:36

Platform

win10v2004-20231127-en

Max time kernel

146s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe"

Signatures

SystemBC

trojan systembc

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZillaUpdater = "C:\\Users\\Admin\\AppData\\Local\\ZillaUpdater.exe" C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe
PID 624 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe

"C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe"

C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe

C:\Users\Admin\AppData\Local\Temp\5ff19009b6f29952af3ad9e7edf22377abbdca476b9bb945f1b3b057c8b84e3a.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/624-1-0x00000000753A0000-0x0000000075B50000-memory.dmp

memory/624-0-0x0000000000FC0000-0x0000000001034000-memory.dmp

memory/624-2-0x0000000005FA0000-0x0000000006544000-memory.dmp

memory/624-3-0x0000000005A90000-0x0000000005B22000-memory.dmp

memory/624-4-0x00000000059A0000-0x00000000059B0000-memory.dmp

memory/624-6-0x0000000005C90000-0x0000000005CD6000-memory.dmp

memory/624-7-0x0000000005A60000-0x0000000005A8E000-memory.dmp

memory/624-8-0x0000000005CF0000-0x0000000005D1E000-memory.dmp

memory/624-5-0x0000000005A50000-0x0000000005A5A000-memory.dmp

memory/624-9-0x0000000005D70000-0x0000000005DBC000-memory.dmp

memory/624-10-0x0000000005E50000-0x0000000005EB6000-memory.dmp

memory/1564-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1564-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/624-16-0x00000000753A0000-0x0000000075B50000-memory.dmp