Malware Analysis Report

2024-10-23 17:29

Sample ID 220927-elvgtadehp
Target 8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll
SHA256 8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292
Tags
hancitor 1910_nsw downloader
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

8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292

Threat Level: Known bad

The file 8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll was found to be: Known bad.

Malicious Activity Summary

hancitor 1910_nsw downloader

Hancitor

Blocklisted process makes network request

Looks up external IP address via web service

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-09-27 04:02

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-27 04:02

Reported

2022-09-27 04:05

Platform

win7-20220812-en

Max time kernel

42s

Max time network

133s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll,#1

Signatures

Hancitor

downloader hancitor

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 54.91.59.199:80 api.ipify.org tcp
US 8.8.8.8:53 newnucapi.com udp
RU 95.47.161.27:80 newnucapi.com tcp
US 8.8.8.8:53 gintlyba.ru udp
US 8.8.8.8:53 stralonz.ru udp

Files

memory/340-54-0x0000000000000000-mapping.dmp

memory/340-55-0x0000000075771000-0x0000000075773000-memory.dmp

memory/340-56-0x0000000074560000-0x00000000745FA000-memory.dmp

memory/340-57-0x0000000074560000-0x0000000074568000-memory.dmp

memory/340-58-0x0000000074560000-0x00000000745FA000-memory.dmp

memory/340-59-0x0000000074560000-0x00000000745FA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-27 04:02

Reported

2022-09-27 04:05

Platform

win10v2004-20220812-en

Max time kernel

138s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll,#1

Signatures

Hancitor

downloader hancitor

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 716 wrote to memory of 3544 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 716 wrote to memory of 3544 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 716 wrote to memory of 3544 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ff43b6ddf6243bd5ee073f9987920fa223809f589d151d7e438fd8cc08ce292.dll,#1

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 8.8.8.8:53 api.ipify.org udp
US 54.91.59.199:80 api.ipify.org tcp
US 8.8.8.8:53 newnucapi.com udp
RU 95.47.161.27:80 newnucapi.com tcp
US 8.8.8.8:53 gintlyba.ru udp
US 8.8.8.8:53 stralonz.ru udp
AU 104.46.162.224:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 104.80.225.205:443 tcp
RU 95.47.161.27:80 newnucapi.com tcp
US 8.8.8.8:53 gintlyba.ru udp
US 8.8.8.8:53 stralonz.ru udp

Files

memory/3544-132-0x0000000000000000-mapping.dmp

memory/3544-133-0x0000000074F90000-0x000000007502A000-memory.dmp

memory/3544-134-0x0000000074F90000-0x0000000074F98000-memory.dmp

memory/3544-135-0x0000000074F90000-0x000000007502A000-memory.dmp

memory/3544-136-0x0000000074F90000-0x000000007502A000-memory.dmp