Malware Analysis Report

2024-11-30 23:23

Sample ID 231012-pdgwvsbf75
Target 91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
SHA256 91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f
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

91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f

Threat Level: Known bad

The file 91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.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 12:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-12 12:12

Reported

2023-10-15 18:21

Platform

win7-20230831-en

Max time kernel

119s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2132 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe"

C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe"

C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe"

C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe"

Network

N/A

Files

memory/2132-0-0x0000000074760000-0x0000000074E4E000-memory.dmp

memory/2132-1-0x0000000001190000-0x0000000001206000-memory.dmp

memory/2132-2-0x0000000074760000-0x0000000074E4E000-memory.dmp

memory/2132-3-0x0000000004B60000-0x0000000004BA0000-memory.dmp

memory/2132-4-0x00000000048C0000-0x0000000004902000-memory.dmp

memory/2132-5-0x0000000004B60000-0x0000000004BA0000-memory.dmp

memory/2132-6-0x0000000000C10000-0x0000000000C2A000-memory.dmp

memory/2132-7-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

memory/2492-8-0x0000000000080000-0x0000000000087000-memory.dmp

memory/2492-9-0x0000000000080000-0x0000000000087000-memory.dmp

memory/2492-10-0x0000000000080000-0x0000000000087000-memory.dmp

memory/2492-11-0x0000000000080000-0x0000000000087000-memory.dmp

memory/2492-12-0x0000000000080000-0x0000000000087000-memory.dmp

memory/2492-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2132-34-0x0000000004B60000-0x0000000004BA0000-memory.dmp

memory/3036-35-0x0000000000400000-0x0000000000407000-memory.dmp

memory/3036-37-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2132-38-0x0000000074760000-0x0000000074E4E000-memory.dmp

memory/3036-40-0x0000000000400000-0x0000000000407000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-12 12:12

Reported

2023-10-15 18:21

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe"

Signatures

SystemBC

trojan systembc

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe
PID 2800 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe"

C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.exe

"C:\Users\Admin\AppData\Local\Temp\91735a2a578ca710a1f2e09985ba20079971ee87aa45bfb4b18f4f74a43ce08f_JC.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 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 254.105.26.67.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 254.23.238.8.in-addr.arpa udp
US 8.8.8.8:53 254.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 254.1.248.8.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

memory/2800-0-0x0000000000700000-0x0000000000776000-memory.dmp

memory/2800-1-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/2800-2-0x0000000005130000-0x00000000056D4000-memory.dmp

memory/2800-3-0x0000000004B80000-0x0000000004C12000-memory.dmp

memory/2800-4-0x0000000004C20000-0x0000000004CBC000-memory.dmp

memory/2800-5-0x0000000004D40000-0x0000000004D50000-memory.dmp

memory/2800-6-0x0000000004D20000-0x0000000004D2A000-memory.dmp

memory/2800-7-0x0000000008420000-0x0000000008462000-memory.dmp

memory/2800-8-0x0000000004D40000-0x0000000004D50000-memory.dmp

memory/2800-9-0x00000000085F0000-0x000000000860A000-memory.dmp

memory/2800-10-0x0000000008740000-0x0000000008746000-memory.dmp

memory/2800-11-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/2800-12-0x0000000004D40000-0x0000000004D50000-memory.dmp

memory/2800-13-0x0000000004D40000-0x0000000004D50000-memory.dmp

memory/4740-14-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4740-15-0x0000000000400000-0x0000000000407000-memory.dmp

memory/4740-16-0x0000000000400000-0x0000000000407000-memory.dmp

memory/2800-18-0x0000000074E00000-0x00000000755B0000-memory.dmp