Malware Analysis Report

2024-11-30 23:25

Sample ID 230910-bp638see7t
Target 4bc9ac5278c06efca38fa31ffd32f311.bin
SHA256 fb64b256057232ba56ee14ad307328f23d0b7e19ee64938217cc142550673e7b
Tags
systembc trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

fb64b256057232ba56ee14ad307328f23d0b7e19ee64938217cc142550673e7b

Threat Level: Known bad

The file 4bc9ac5278c06efca38fa31ffd32f311.bin was found to be: Known bad.

Malicious Activity Summary

systembc trojan

SystemBC

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-10 01:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-10 01:20

Reported

2023-09-10 01:22

Platform

win7-20230831-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 2576 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe

"C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe"

C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe

"C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe"

Network

N/A

Files

memory/2576-0-0x0000000000DF0000-0x0000000000E34000-memory.dmp

memory/2576-1-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2576-2-0x0000000004A90000-0x0000000004AD0000-memory.dmp

memory/2576-3-0x0000000004380000-0x00000000043C2000-memory.dmp

memory/2576-4-0x00000000005E0000-0x00000000005FA000-memory.dmp

memory/2576-5-0x0000000000420000-0x0000000000426000-memory.dmp

memory/3068-6-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3068-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3068-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3068-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3068-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3068-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2576-18-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2576-19-0x0000000004A90000-0x0000000004AD0000-memory.dmp

memory/3068-20-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3068-22-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2576-24-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/3068-25-0x0000000000400000-0x0000000000407000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-10 01:20

Reported

2023-09-10 01:22

Platform

win10v2004-20230831-en

Max time kernel

139s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe
PID 3492 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe

"C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe"

C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe

"C:\Users\Admin\AppData\Local\Temp\1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 126.21.238.8.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

memory/3492-0-0x0000000074710000-0x0000000074EC0000-memory.dmp

memory/3492-1-0x0000000000AE0000-0x0000000000B24000-memory.dmp

memory/3492-2-0x0000000005400000-0x00000000059A4000-memory.dmp

memory/3492-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

memory/3492-4-0x0000000004E30000-0x0000000004E40000-memory.dmp

memory/3492-5-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

memory/3492-6-0x0000000006050000-0x00000000060EC000-memory.dmp

memory/3492-7-0x0000000004E30000-0x0000000004E40000-memory.dmp

memory/3492-8-0x0000000074710000-0x0000000074EC0000-memory.dmp

memory/3492-9-0x0000000004E30000-0x0000000004E40000-memory.dmp

memory/3492-10-0x0000000004E30000-0x0000000004E40000-memory.dmp

memory/4980-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4980-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4980-13-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3492-15-0x0000000074710000-0x0000000074EC0000-memory.dmp