Malware Analysis Report

2024-11-30 23:28

Sample ID 230813-pzl3pscb68
Target e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47deexe_JC.exe
SHA256 e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47de
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

e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47de

Threat Level: Known bad

The file e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47deexe_JC.exe was found to be: Known bad.

Malicious Activity Summary

systembc trojan

SystemBC

Blocklisted process makes network request

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-13 12:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-13 12:46

Reported

2023-08-13 12:48

Platform

win7-20230712-en

Max time kernel

118s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47deexe_JC.dll,#1

Signatures

SystemBC

trojan systembc

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47deexe_JC.dll,#1

Network

Country Destination Domain Proto
RU 5.42.65.67:4298 tcp

Files

memory/2068-54-0x0000000077B00000-0x0000000077B02000-memory.dmp

memory/2068-57-0x000007FEF52A0000-0x000007FEF5CBF000-memory.dmp

memory/2068-56-0x0000000077B00000-0x0000000077B02000-memory.dmp

memory/2068-61-0x0000000077B10000-0x0000000077B12000-memory.dmp

memory/2068-60-0x0000000077950000-0x0000000077AF9000-memory.dmp

memory/2068-59-0x0000000077B00000-0x0000000077B02000-memory.dmp

memory/2068-63-0x0000000077B10000-0x0000000077B12000-memory.dmp

memory/2068-65-0x0000000077B10000-0x0000000077B12000-memory.dmp

memory/2068-70-0x0000000077B20000-0x0000000077B22000-memory.dmp

memory/2068-68-0x0000000077B20000-0x0000000077B22000-memory.dmp

memory/2068-66-0x0000000077B20000-0x0000000077B22000-memory.dmp

memory/2068-71-0x0000000077B30000-0x0000000077B32000-memory.dmp

memory/2068-73-0x0000000077B30000-0x0000000077B32000-memory.dmp

memory/2068-75-0x0000000077B30000-0x0000000077B32000-memory.dmp

memory/2068-76-0x0000000077B40000-0x0000000077B42000-memory.dmp

memory/2068-78-0x0000000077B40000-0x0000000077B42000-memory.dmp

memory/2068-80-0x0000000077B40000-0x0000000077B42000-memory.dmp

memory/2068-83-0x000007FEFD980000-0x000007FEFD982000-memory.dmp

memory/2068-85-0x000007FEFD980000-0x000007FEFD982000-memory.dmp

memory/2068-88-0x000007FEFD990000-0x000007FEFD992000-memory.dmp

memory/2068-90-0x000007FEFD990000-0x000007FEFD992000-memory.dmp

memory/2068-91-0x000007FEF52A0000-0x000007FEF5CBF000-memory.dmp

memory/2068-92-0x0000000077950000-0x0000000077AF9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-13 12:46

Reported

2023-08-13 12:48

Platform

win10v2004-20230703-en

Max time kernel

139s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47deexe_JC.dll,#1

Signatures

SystemBC

trojan systembc

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ea0c959e41ed64704af80b5887dc03c4c9cbe0916b62a4f3a8117ae0fd47deexe_JC.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.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
RU 5.42.65.67:4298 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

memory/5112-133-0x00007FFC7A370000-0x00007FFC7A372000-memory.dmp

memory/5112-134-0x00007FFC5CA00000-0x00007FFC5D41F000-memory.dmp

memory/5112-135-0x00007FFC7A380000-0x00007FFC7A382000-memory.dmp

memory/5112-136-0x00007FFC7A390000-0x00007FFC7A392000-memory.dmp

memory/5112-137-0x00007FFC783D0000-0x00007FFC783D2000-memory.dmp

memory/5112-138-0x00007FFC783E0000-0x00007FFC783E2000-memory.dmp

memory/5112-139-0x00007FFC781C0000-0x00007FFC781C2000-memory.dmp

memory/5112-140-0x00007FFC781D0000-0x00007FFC781D2000-memory.dmp

memory/5112-141-0x00007FFC5CA00000-0x00007FFC5D41F000-memory.dmp