Malware Analysis Report

2024-09-22 16:45

Sample ID 220328-x7mm7sead5
Target 5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797
SHA256 5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797
Tags
cryptone packer 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

5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797

Threat Level: Known bad

The file 5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797 was found to be: Known bad.

Malicious Activity Summary

cryptone packer darkvnc rat

DarkVNC

CryptOne packer

DarkVNC Payload

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK Matrix V6

Analysis: static1

Detonation Overview

Reported

2022-03-28 19:29

Signatures

CryptOne packer

cryptone packer
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-28 19:29

Reported

2022-03-28 19:55

Platform

win7-20220311-en

Max time kernel

4294207s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1484 set thread context of 1968 N/A C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe C:\Windows\system32\WerFault.exe

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe

"C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe

Network

Country Destination Domain Proto
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp

Files

memory/1484-54-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

memory/1484-55-0x0000000000400000-0x0000000000493000-memory.dmp

memory/1484-57-0x00000000002E0000-0x0000000000353000-memory.dmp

memory/1484-60-0x0000000000400000-0x0000000000493000-memory.dmp

memory/1484-56-0x0000000010000000-0x0000000010089000-memory.dmp

memory/1484-61-0x0000000000400000-0x0000000000493000-memory.dmp

memory/1484-62-0x0000000002750000-0x0000000002890000-memory.dmp

memory/1968-63-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-28 19:29

Reported

2022-03-28 19:55

Platform

win10v2004-en-20220113

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2608 set thread context of 3416 N/A C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe C:\Windows\system32\WerFault.exe

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe

"C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
NL 178.79.208.1:80 tcp
NL 178.79.208.1:80 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
US 52.182.143.208:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp
DE 45.138.172.105:443 tcp

Files

memory/2608-130-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2608-131-0x0000000002A20000-0x0000000002AA9000-memory.dmp

memory/3416-134-0x0000000000000000-mapping.dmp

memory/2608-135-0x00000000021D0000-0x0000000002243000-memory.dmp

memory/2608-136-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2608-137-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2608-138-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2608-139-0x0000000002AC0000-0x0000000002C00000-memory.dmp