Malware Analysis Report

2024-11-30 23:32

Sample ID 230823-brag2sac7y
Target 59d87693d6d2331e75665972353331bc.bin
SHA256 086336c27bfd9cfb1c4f3ebb41444a1c694f273ad1c27b41d771ea459b4d20fc
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

086336c27bfd9cfb1c4f3ebb41444a1c694f273ad1c27b41d771ea459b4d20fc

Threat Level: Known bad

The file 59d87693d6d2331e75665972353331bc.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

2023-08-23 01:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-23 01:22

Reported

2023-08-23 01:24

Platform

win7-20230712-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 1788 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe

"C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe"

C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe

"C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe"

C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe

"C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe"

Network

N/A

Files

memory/1788-54-0x00000000000A0000-0x00000000000E8000-memory.dmp

memory/1788-55-0x0000000074C40000-0x000000007532E000-memory.dmp

memory/1788-56-0x0000000004200000-0x0000000004240000-memory.dmp

memory/1788-57-0x0000000001E30000-0x0000000001E72000-memory.dmp

memory/1788-58-0x0000000000590000-0x00000000005AA000-memory.dmp

memory/1788-59-0x00000000004A0000-0x00000000004A6000-memory.dmp

memory/2820-60-0x0000000000070000-0x0000000000077000-memory.dmp

memory/2820-62-0x0000000000070000-0x0000000000077000-memory.dmp

memory/2820-63-0x0000000000070000-0x0000000000077000-memory.dmp

memory/2820-64-0x0000000000070000-0x0000000000077000-memory.dmp

memory/2820-65-0x0000000000070000-0x0000000000077000-memory.dmp

memory/2820-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1788-80-0x0000000074C40000-0x000000007532E000-memory.dmp

memory/1788-81-0x0000000004200000-0x0000000004240000-memory.dmp

memory/3044-82-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1788-85-0x0000000074C40000-0x000000007532E000-memory.dmp

memory/3044-84-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3044-86-0x0000000000400000-0x0000000000407000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-23 01:22

Reported

2023-08-23 01:24

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe
PID 4828 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe

"C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe"

C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe

"C:\Users\Admin\AppData\Local\Temp\7177acd8a2b07f743dffb49442833163846c0f6e3f41056aef83a89185f0b743.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 73.254.224.20.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

memory/4828-134-0x0000000074890000-0x0000000075040000-memory.dmp

memory/4828-133-0x0000000000C70000-0x0000000000CB8000-memory.dmp

memory/4828-135-0x0000000005CF0000-0x0000000006294000-memory.dmp

memory/4828-136-0x00000000057E0000-0x0000000005872000-memory.dmp

memory/4828-137-0x0000000005880000-0x000000000591C000-memory.dmp

memory/4828-138-0x00000000057C0000-0x00000000057D0000-memory.dmp

memory/4828-139-0x00000000057A0000-0x00000000057AA000-memory.dmp

memory/4828-140-0x00000000057C0000-0x00000000057D0000-memory.dmp

memory/4828-141-0x0000000074890000-0x0000000075040000-memory.dmp

memory/4828-142-0x00000000057C0000-0x00000000057D0000-memory.dmp

memory/4828-143-0x00000000057C0000-0x00000000057D0000-memory.dmp

memory/3368-144-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3368-146-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3368-147-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4828-148-0x0000000074890000-0x0000000075040000-memory.dmp