Malware Analysis Report

2024-11-30 23:23

Sample ID 231012-pgdnlsbh56
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: 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

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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-12 12:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-12 12:17

Reported

2023-10-15 18:36

Platform

win7-20230831-en

Max time kernel

117s

Max time network

123s

Command Line

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

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2408 set thread context of 2960 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 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 2408 wrote to memory of 2960 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/2408-0-0x0000000000E30000-0x0000000000EAC000-memory.dmp

memory/2408-1-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2408-2-0x00000000055E0000-0x0000000005620000-memory.dmp

memory/2408-3-0x0000000004580000-0x00000000045C2000-memory.dmp

memory/2408-4-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2408-5-0x0000000000880000-0x000000000089A000-memory.dmp

memory/2408-6-0x00000000003D0000-0x00000000003D6000-memory.dmp

memory/2960-7-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2960-9-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2960-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2960-13-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2960-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2960-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2960-19-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2960-21-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2960-23-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2408-24-0x0000000074980000-0x000000007506E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-12 12:17

Reported

2023-10-15 18:36

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

148s

Command Line

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

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1856 set thread context of 1144 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 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe C:\Users\Admin\AppData\Local\Temp\20bb118569b859e64feaaf30227e04b8.exe
PID 1856 wrote to memory of 1144 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

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 120.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 126.209.247.8.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/1856-0-0x0000000074830000-0x0000000074FE0000-memory.dmp

memory/1856-1-0x00000000002C0000-0x000000000033C000-memory.dmp

memory/1856-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

memory/1856-3-0x0000000074830000-0x0000000074FE0000-memory.dmp

memory/1856-4-0x0000000005890000-0x0000000005922000-memory.dmp

memory/1856-5-0x00000000059D0000-0x0000000005A6C000-memory.dmp

memory/1856-6-0x00000000065D0000-0x00000000065E0000-memory.dmp

memory/1856-7-0x0000000006500000-0x0000000006542000-memory.dmp

memory/1856-8-0x00000000065B0000-0x00000000065BA000-memory.dmp

memory/1856-9-0x00000000065D0000-0x00000000065E0000-memory.dmp

memory/1856-10-0x0000000007A30000-0x0000000007A4A000-memory.dmp

memory/1856-11-0x0000000007A10000-0x0000000007A16000-memory.dmp

memory/1856-12-0x00000000065D0000-0x00000000065E0000-memory.dmp

memory/1856-13-0x00000000065D0000-0x00000000065E0000-memory.dmp

memory/1144-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1144-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1144-17-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1856-18-0x0000000074830000-0x0000000074FE0000-memory.dmp