Malware Analysis Report

2024-11-30 23:23

Sample ID 231012-pglzzsbh77
Target 20bb118569b859e64feaaf30227e04b8.exe
SHA256 c1d2e8b7b961e48a1ee4877d3f527f038697e0dfcda69b8cd470900b73e1e674
Tags
systembc trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c1d2e8b7b961e48a1ee4877d3f527f038697e0dfcda69b8cd470900b73e1e674

Threat Level: Known bad

The file 20bb118569b859e64feaaf30227e04b8.exe was found to be: Known bad.

Malicious Activity Summary

systembc trojan

SystemBC

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-12 12:18

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-12 12:18

Reported

2023-10-15 18:39

Platform

win10v2004-20230915-en

Max time kernel

136s

Max time network

166s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1556 set thread context of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1556 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

Processes

C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

"C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe"

C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

"C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe"

C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

"C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 58.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

memory/1556-1-0x00000000752F0000-0x0000000075AA0000-memory.dmp

memory/1556-0-0x0000000000F30000-0x0000000000FAC000-memory.dmp

memory/1556-2-0x00000000056D0000-0x0000000005C74000-memory.dmp

memory/1556-3-0x0000000005070000-0x0000000005102000-memory.dmp

memory/1556-4-0x00000000051C0000-0x000000000525C000-memory.dmp

memory/1556-5-0x00000000060E0000-0x00000000060F0000-memory.dmp

memory/1556-6-0x0000000005F70000-0x0000000005FB2000-memory.dmp

memory/1556-7-0x0000000006220000-0x000000000622A000-memory.dmp

memory/1556-8-0x00000000752F0000-0x0000000075AA0000-memory.dmp

memory/1556-9-0x00000000060E0000-0x00000000060F0000-memory.dmp

memory/1556-10-0x00000000060E0000-0x00000000060F0000-memory.dmp

memory/1556-11-0x00000000075E0000-0x00000000075FA000-memory.dmp

memory/1556-12-0x0000000007580000-0x0000000007586000-memory.dmp

memory/1556-13-0x00000000060E0000-0x00000000060F0000-memory.dmp

memory/544-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/544-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/544-17-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1556-18-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-12 12:18

Reported

2023-10-15 18:38

Platform

win7-20230831-en

Max time kernel

132s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1376 set thread context of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1376 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

Processes

C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

"C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe"

C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe

"C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe"

Network

N/A

Files

memory/1376-0-0x0000000074960000-0x000000007504E000-memory.dmp

memory/1376-1-0x0000000000B30000-0x0000000000BAC000-memory.dmp

memory/1376-2-0x0000000074960000-0x000000007504E000-memory.dmp

memory/1376-3-0x0000000005650000-0x0000000005690000-memory.dmp

memory/1376-4-0x00000000041C0000-0x0000000004202000-memory.dmp

memory/1376-5-0x0000000005650000-0x0000000005690000-memory.dmp

memory/1376-6-0x0000000000270000-0x000000000028A000-memory.dmp

memory/1376-7-0x0000000000390000-0x0000000000396000-memory.dmp

memory/2508-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2508-9-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2508-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2508-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2508-12-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2508-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2508-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2508-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2508-17-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1376-18-0x0000000074960000-0x000000007504E000-memory.dmp