Malware Analysis Report

2025-01-02 22:12

Sample ID 210721-z66e7dyqqx
Target 123.dll
SHA256 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6
Tags
fickerstealer hancitor 1907_hjfsd downloader infostealer spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6

Threat Level: Known bad

The file 123.dll was found to be: Known bad.

Malicious Activity Summary

fickerstealer hancitor 1907_hjfsd downloader infostealer spyware stealer

Fickerstealer

Hancitor

Blocklisted process makes network request

Downloads MZ/PE file

Reads local data of messenger clients

Accesses cryptocurrency files/wallets, possible credential harvesting

Looks up external IP address via web service

Suspicious use of SetThreadContext

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-07-21 15:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-07-21 15:08

Reported

2021-07-21 15:11

Platform

win7v20210410

Max time kernel

53s

Max time network

163s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\123.dll,#1

Signatures

Fickerstealer

infostealer fickerstealer

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

Downloads MZ/PE file

Reads local data of messenger clients

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1100 set thread context of 864 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\svchost.exe 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\svchost.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\123.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\123.dll,#1

C:\Windows\SysWOW64\svchost.exe

C:\Windows\System32\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.235.121.178:80 api.ipify.org tcp
N/A 8.8.8.8:53 thervidolown.com udp
N/A 85.10.222.114:80 thervidolown.com tcp
N/A 8.8.8.8:53 falan4zadron.ru udp
N/A 8.211.241.0:80 falan4zadron.ru tcp
N/A 54.235.121.178:80 api.ipify.org tcp
N/A 8.8.8.8:53 pospvisis.com udp
N/A 95.213.179.67:80 pospvisis.com tcp
N/A 95.213.179.67:80 pospvisis.com tcp

Files

memory/1100-59-0x0000000000000000-mapping.dmp

memory/1100-60-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

memory/1100-61-0x0000000000880000-0x0000000000950000-memory.dmp

memory/1100-62-0x0000000000880000-0x000000000088A000-memory.dmp

memory/1100-63-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/864-64-0x0000000000400000-0x0000000000448000-memory.dmp

memory/864-65-0x0000000000401480-mapping.dmp

memory/864-67-0x0000000000400000-0x0000000000448000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-07-21 15:08

Reported

2021-07-21 15:11

Platform

win10v20210408

Max time kernel

77s

Max time network

136s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\123.dll,#1

Signatures

Fickerstealer

infostealer fickerstealer

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

Downloads MZ/PE file

Reads local data of messenger clients

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2168 set thread context of 2328 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\svchost.exe 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\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\123.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\123.dll,#1

C:\Windows\SysWOW64\svchost.exe

C:\Windows\System32\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.225.165.85:80 api.ipify.org tcp
N/A 8.8.8.8:53 thervidolown.com udp
N/A 85.10.222.114:80 thervidolown.com tcp
N/A 8.8.8.8:53 falan4zadron.ru udp
N/A 8.211.241.0:80 falan4zadron.ru tcp
N/A 54.225.165.85:80 api.ipify.org tcp
N/A 8.8.8.8:53 pospvisis.com udp
N/A 95.213.179.67:80 pospvisis.com tcp
N/A 95.213.179.67:80 pospvisis.com tcp

Files

memory/2168-114-0x0000000000000000-mapping.dmp

memory/2168-115-0x00000000047E0000-0x00000000048B0000-memory.dmp

memory/2168-116-0x0000000002BF0000-0x0000000002BF1000-memory.dmp

memory/2168-117-0x00000000047E0000-0x00000000047EA000-memory.dmp

memory/2168-118-0x00000000047E1000-0x0000000004802000-memory.dmp

memory/2328-119-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2328-120-0x0000000000401480-mapping.dmp

memory/2328-123-0x0000000000400000-0x0000000000448000-memory.dmp