Malware Analysis Report

2024-09-22 16:45

Sample ID 231222-ae896sdhhn
Target 3102a215865232a5bbca8b70f1aa4488
SHA256 818ad5bddef3160906785f6cc788d06a66cec2de9f57a21a7562feb0c89334ae
Tags
darkvnc rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

818ad5bddef3160906785f6cc788d06a66cec2de9f57a21a7562feb0c89334ae

Threat Level: Known bad

The file 3102a215865232a5bbca8b70f1aa4488 was found to be: Known bad.

Malicious Activity Summary

darkvnc rat

DarkVNC

DarkVNC payload

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-22 00:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 00:08

Reported

2023-12-22 02:58

Platform

win7-20231129-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe

"C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe"

C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe

"C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe"

Network

N/A

Files

memory/2388-0-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 00:08

Reported

2023-12-22 02:58

Platform

win10v2004-20231215-en

Max time kernel

92s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe"

Signatures

DarkVNC

rat darkvnc

DarkVNC payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5056 set thread context of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 5056 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe
PID 2200 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Windows\system32\WerFault.exe
PID 2200 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe

"C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2200 -ip 2200

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 508

C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe

"C:\Users\Admin\AppData\Local\Temp\3102a215865232a5bbca8b70f1aa4488.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp

Files

memory/2200-2-0x0000000000400000-0x000000000048A000-memory.dmp

memory/2200-0-0x0000000000400000-0x000000000048A000-memory.dmp

memory/2200-4-0x0000000000400000-0x000000000048A000-memory.dmp