Malware Analysis Report

2024-11-30 23:33

Sample ID 230912-hqcz4sed23
Target b767d6220ad7a3aaf39761a415c927af.exe
SHA256 cd0ea12bd2eb7aac8fae5cd9fb2ae2857aecdc4a0de6c3179cec29221292df42
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

cd0ea12bd2eb7aac8fae5cd9fb2ae2857aecdc4a0de6c3179cec29221292df42

Threat Level: Known bad

The file b767d6220ad7a3aaf39761a415c927af.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

2023-09-12 06:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-12 06:56

Reported

2023-09-12 06:58

Platform

win7-20230831-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1300 set thread context of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1300 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

"C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe"

C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

"C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe"

Network

N/A

Files

memory/1300-0-0x0000000001180000-0x00000000011DA000-memory.dmp

memory/1300-1-0x0000000074920000-0x000000007500E000-memory.dmp

memory/1300-2-0x00000000009B0000-0x00000000009F0000-memory.dmp

memory/1300-3-0x0000000001120000-0x0000000001162000-memory.dmp

memory/1300-4-0x0000000000A70000-0x0000000000A8A000-memory.dmp

memory/1300-5-0x0000000000A20000-0x0000000000A26000-memory.dmp

memory/2648-6-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2648-7-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2648-8-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2648-9-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2648-10-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2648-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1300-13-0x0000000074920000-0x000000007500E000-memory.dmp

memory/1300-14-0x00000000009B0000-0x00000000009F0000-memory.dmp

memory/2648-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1300-17-0x0000000074920000-0x000000007500E000-memory.dmp

memory/2648-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2648-18-0x0000000000400000-0x0000000000407000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-12 06:56

Reported

2023-09-12 06:58

Platform

win10v2004-20230831-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1000 set thread context of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe
PID 1000 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

"C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe"

C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe

"C:\Users\Admin\AppData\Local\Temp\b767d6220ad7a3aaf39761a415c927af.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
N/A 20.101.57.9:123 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

memory/1000-0-0x0000000000A60000-0x0000000000ABA000-memory.dmp

memory/1000-1-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/1000-2-0x0000000005870000-0x0000000005E14000-memory.dmp

memory/1000-3-0x0000000005360000-0x00000000053F2000-memory.dmp

memory/1000-4-0x0000000005500000-0x0000000005510000-memory.dmp

memory/1000-5-0x0000000005350000-0x000000000535A000-memory.dmp

memory/1000-6-0x0000000006620000-0x00000000066BC000-memory.dmp

memory/1000-7-0x0000000005500000-0x0000000005510000-memory.dmp

memory/1000-8-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/1000-9-0x0000000005500000-0x0000000005510000-memory.dmp

memory/1000-10-0x0000000005500000-0x0000000005510000-memory.dmp

memory/4076-11-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4076-13-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4076-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/1000-15-0x00000000746D0000-0x0000000074E80000-memory.dmp