Malware Analysis Report

2025-04-13 11:41

Sample ID 210702-fd4b3phfca
Target triage_dropped_file
SHA256 21c9472e24da9f476eafe7f8435e93657a9fffed15b75e56f7d45d12f9f1eb86
Tags
hancitor downloader 2806_ldfa1
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

21c9472e24da9f476eafe7f8435e93657a9fffed15b75e56f7d45d12f9f1eb86

Threat Level: Known bad

The file triage_dropped_file was found to be: Known bad.

Malicious Activity Summary

hancitor downloader 2806_ldfa1

Hancitor

Blocklisted process makes network request

Looks up external IP address via web service

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-07-02 12:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-07-02 12:08

Reported

2021-07-02 12:10

Platform

win7v20210410

Max time kernel

120s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.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
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1056 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 2044 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\triage_dropped_file.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.235.88.121:80 api.ipify.org tcp
N/A 8.8.8.8:53 raeonoran.com udp
N/A 135.125.241.4:80 raeonoran.com tcp
N/A 8.8.8.8:53 rar1tet.ru udp
N/A 8.8.8.8:53 rar1tet.ru udp
N/A 8.8.8.8:53 rar1tet.ru udp
N/A 8.8.8.8:53 rar1tet.ru udp

Files

memory/2044-59-0x0000000000000000-mapping.dmp

memory/2044-60-0x00000000766D1000-0x00000000766D3000-memory.dmp

memory/2044-61-0x00000000006F0000-0x000000000076E000-memory.dmp

memory/2044-62-0x0000000000150000-0x00000000001CE000-memory.dmp

memory/2044-63-0x0000000000150000-0x00000000001CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-07-02 12:08

Reported

2021-07-02 12:10

Platform

win10v20210408

Max time kernel

20s

Max time network

112s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3492 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3492 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3492 wrote to memory of 1628 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\triage_dropped_file.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 652

Network

N/A

Files

memory/1628-114-0x0000000000000000-mapping.dmp

memory/1628-117-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

memory/1628-116-0x0000000000F40000-0x0000000000F48000-memory.dmp