Malware Analysis Report

2024-11-30 23:24

Sample ID 230908-xxm6zseg96
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 19:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-08 19:14

Reported

2023-09-08 19:16

Platform

win7-20230831-en

Max time kernel

119s

Max time network

123s

Command Line

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

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2148 set thread context of 2624 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 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 2148 wrote to memory of 2624 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/2148-0-0x0000000074760000-0x0000000074E4E000-memory.dmp

memory/2148-1-0x00000000012C0000-0x0000000001304000-memory.dmp

memory/2148-2-0x0000000004E70000-0x0000000004EB0000-memory.dmp

memory/2148-3-0x0000000000710000-0x0000000000752000-memory.dmp

memory/2148-4-0x00000000005F0000-0x000000000060A000-memory.dmp

memory/2148-5-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/2624-6-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2624-7-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2624-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2624-9-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2624-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2624-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2148-13-0x0000000074760000-0x0000000074E4E000-memory.dmp

memory/2148-14-0x0000000004E70000-0x0000000004EB0000-memory.dmp

memory/2624-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2624-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2624-17-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2148-18-0x0000000074760000-0x0000000074E4E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-08 19:14

Reported

2023-09-08 19:16

Platform

win10v2004-20230831-en

Max time kernel

140s

Max time network

146s

Command Line

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

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 444 set thread context of 3656 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 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe C:\Users\Admin\AppData\Local\Temp\4bc9ac5278c06efca38fa31ffd32f311.exe
PID 444 wrote to memory of 3656 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

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 120.145.253.8.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.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 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

memory/444-0-0x0000000000DC0000-0x0000000000E04000-memory.dmp

memory/444-1-0x00000000744B0000-0x0000000074C60000-memory.dmp

memory/444-2-0x0000000005AB0000-0x0000000006054000-memory.dmp

memory/444-3-0x0000000005500000-0x0000000005592000-memory.dmp

memory/444-4-0x00000000054A0000-0x00000000054B0000-memory.dmp

memory/444-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

memory/444-6-0x0000000006B70000-0x0000000006C0C000-memory.dmp

memory/444-7-0x00000000054A0000-0x00000000054B0000-memory.dmp

memory/444-8-0x00000000744B0000-0x0000000074C60000-memory.dmp

memory/444-9-0x00000000054A0000-0x00000000054B0000-memory.dmp

memory/444-10-0x00000000054A0000-0x00000000054B0000-memory.dmp

memory/3656-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3656-13-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3656-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/444-15-0x00000000744B0000-0x0000000074C60000-memory.dmp