Malware Analysis Report

2025-06-16 05:24

Sample ID 210303-gxxgrsx2h6
Target Static.dll
SHA256 492ed4c57dbe80c20cc0749ff91da5d9f2b3c5b95ae24ac8822b242cb51f9d5a
Tags
hancitor 0303_trew30 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

492ed4c57dbe80c20cc0749ff91da5d9f2b3c5b95ae24ac8822b242cb51f9d5a

Threat Level: Known bad

The file Static.dll was found to be: Known bad.

Malicious Activity Summary

hancitor 0303_trew30 downloader

Hancitor

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-03-03 16:29

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-03-03 16:29

Reported

2021-03-03 16:31

Platform

win7v20201028

Max time kernel

64s

Max time network

10s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Static.dll

Signatures

Hancitor

downloader hancitor

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1724 wrote to memory of 1900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Static.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\Static.dll

Network

N/A

Files

memory/1724-2-0x000007FEFC601000-0x000007FEFC603000-memory.dmp

memory/1900-3-0x0000000000000000-mapping.dmp

memory/1900-4-0x00000000761E1000-0x00000000761E3000-memory.dmp

memory/1900-5-0x0000000074F10000-0x0000000074F1A000-memory.dmp

memory/1900-6-0x0000000000190000-0x0000000000191000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-03-03 16:29

Reported

2021-03-03 16:31

Platform

win10v20201028

Max time kernel

59s

Max time network

117s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Static.dll

Signatures

Hancitor

downloader hancitor

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4768 wrote to memory of 4916 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4768 wrote to memory of 4916 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4768 wrote to memory of 4916 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Static.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\Static.dll

Network

Country Destination Domain Proto
N/A 52.109.8.20:443 nexusrules.officeapps.live.com tcp

Files

memory/4916-2-0x0000000000000000-mapping.dmp

memory/4916-3-0x0000000073740000-0x000000007374A000-memory.dmp

memory/4916-4-0x0000000000CD0000-0x0000000000CD1000-memory.dmp