Malware Analysis Report

2024-11-30 23:24

Sample ID 230908-xyqnhaeh23
Target 4bc9ac5278c06efca38fa31ffd32f311.exe
SHA256 1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a
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

1cbc0bf41dc39d3966a1c38bd778cc9952994fb4e069101143d7a0a822e5ff1a

Threat Level: Known bad

The file 4bc9ac5278c06efca38fa31ffd32f311.exe 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

2023-09-08 19:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-08 19:15

Reported

2023-09-08 19:18

Platform

win7-20230831-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2424 set thread context of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2424 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

"C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe"

C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

"C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe"

Network

N/A

Files

memory/2424-0-0x00000000000E0000-0x0000000000124000-memory.dmp

memory/2424-1-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2424-2-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/2424-3-0x0000000000620000-0x0000000000662000-memory.dmp

memory/2424-4-0x0000000004080000-0x000000000409A000-memory.dmp

memory/2424-5-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

memory/2172-6-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2172-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2172-9-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2172-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2172-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2172-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2424-14-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2424-15-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/2172-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2424-18-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2172-19-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2172-21-0x0000000000400000-0x0000000000407000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-08 19:15

Reported

2023-09-08 19:18

Platform

win10v2004-20230831-en

Max time kernel

138s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2636 set thread context of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2636 wrote to memory of 3008 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

"C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe"

C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

"C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe"

C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe

"C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 120.145.253.8.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 9.57.101.20.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/2636-0-0x0000000000500000-0x0000000000544000-memory.dmp

memory/2636-1-0x0000000074AE0000-0x0000000075290000-memory.dmp

memory/2636-2-0x00000000052A0000-0x0000000005844000-memory.dmp

memory/2636-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

memory/2636-4-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

memory/2636-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

memory/2636-6-0x0000000006280000-0x000000000631C000-memory.dmp

memory/2636-7-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

memory/2636-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

memory/2636-9-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

memory/2636-10-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

memory/3008-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3008-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3008-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2636-17-0x0000000074AE0000-0x0000000075290000-memory.dmp