Malware Analysis Report

2024-10-19 02:46

Sample ID 240128-v3kxpsgbdq
Target 7d947a3d37f370b12fec5f1df82dfd1e
SHA256 bb3cfed0b433c158af3238573507836cd6c42a40240852a0ae22bcfd48038b8c
Tags
hancitor 1808_plfr downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

bb3cfed0b433c158af3238573507836cd6c42a40240852a0ae22bcfd48038b8c

Threat Level: Known bad

The file 7d947a3d37f370b12fec5f1df82dfd1e was found to be: Known bad.

Malicious Activity Summary

hancitor 1808_plfr downloader

Hancitor

Blocklisted process makes network request

Looks up external IP address via web service

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-28 17:30

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-28 17:30

Reported

2024-01-28 17:33

Platform

win10v2004-20231222-en

Max time kernel

92s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d947a3d37f370b12fec5f1df82dfd1e.dll,#1

Signatures

Hancitor

downloader hancitor

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1564 wrote to memory of 2936 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1564 wrote to memory of 2936 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1564 wrote to memory of 2936 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\7d947a3d37f370b12fec5f1df82dfd1e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d947a3d37f370b12fec5f1df82dfd1e.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2936 -ip 2936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 660

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 198.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 207.178.17.96.in-addr.arpa udp

Files

memory/2936-0-0x0000000000840000-0x000000000090C000-memory.dmp

memory/2936-1-0x0000000000710000-0x0000000000718000-memory.dmp

memory/2936-2-0x0000000000730000-0x000000000073A000-memory.dmp

memory/2936-4-0x0000000000710000-0x0000000000718000-memory.dmp

memory/2936-3-0x0000000000840000-0x000000000090C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-28 17:30

Reported

2024-01-28 17:33

Platform

win7-20231215-en

Max time kernel

140s

Max time network

142s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d947a3d37f370b12fec5f1df82dfd1e.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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2008 wrote to memory of 1688 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 1688 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 1688 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 1688 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 1688 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 1688 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 1688 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\7d947a3d37f370b12fec5f1df82dfd1e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d947a3d37f370b12fec5f1df82dfd1e.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 64.185.227.156:80 api.ipify.org tcp
US 8.8.8.8:53 madmilons.com udp
US 8.8.8.8:53 counteent.ru udp
US 8.8.8.8:53 simatereare.ru udp

Files

memory/1688-0-0x00000000001E0000-0x00000000001E8000-memory.dmp

memory/1688-2-0x0000000000210000-0x000000000021A000-memory.dmp

memory/1688-1-0x0000000000210000-0x000000000021A000-memory.dmp

memory/1688-3-0x0000000000210000-0x000000000021A000-memory.dmp

memory/1688-5-0x0000000000400000-0x00000000004CC000-memory.dmp

memory/1688-7-0x0000000000210000-0x000000000021A000-memory.dmp