Malware Analysis Report

2025-01-03 03:00

Sample ID 210722-4a7m1txc46
Target 532.dll
SHA256 8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd
Tags
fickerstealer hancitor 2207_xwpi67 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

8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd

Threat Level: Known bad

The file 532.dll was found to be: Known bad.

Malicious Activity Summary

fickerstealer hancitor 2207_xwpi67 downloader infostealer spyware stealer

Hancitor

Fickerstealer

Downloads MZ/PE file

Blocklisted process makes network request

Reads local data of messenger clients

Looks up external IP address via web service

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-07-22 13:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-07-22 13:45

Reported

2021-07-22 13:49

Platform

win7v20210410

Max time kernel

138s

Max time network

188s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.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
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 2024 set thread context of 1472 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\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.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 54.235.88.121:80 api.ipify.org tcp
N/A 8.8.8.8:53 tholeferli.com udp
N/A 194.147.115.74:80 tholeferli.com tcp
N/A 8.8.8.8:53 s0lom0n.ru udp
N/A 8.211.241.0:80 s0lom0n.ru tcp
N/A 54.235.88.121:80 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
N/A 194.147.115.74:80 tholeferli.com tcp

Files

memory/2024-59-0x0000000000000000-mapping.dmp

memory/2024-60-0x00000000752B1000-0x00000000752B3000-memory.dmp

memory/2024-61-0x0000000001B90000-0x0000000001C56000-memory.dmp

memory/2024-62-0x0000000001B90000-0x0000000001B9A000-memory.dmp

memory/2024-63-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/1472-64-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1472-65-0x0000000000401480-mapping.dmp

memory/1472-67-0x0000000000400000-0x0000000000448000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-07-22 13:45

Reported

2021-07-22 13:48

Platform

win10v20210408

Max time kernel

137s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.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
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Downloads MZ/PE file

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 656 wrote to memory of 1300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 656 wrote to memory of 1300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 656 wrote to memory of 1300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1300 wrote to memory of 1504 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1300 wrote to memory of 1504 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1300 wrote to memory of 1504 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\532.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 54.235.88.121:80 api.ipify.org tcp
N/A 8.8.8.8:53 tholeferli.com udp
N/A 194.147.115.74:80 tholeferli.com tcp
N/A 8.8.8.8:53 s0lom0n.ru udp
N/A 8.211.241.0:80 s0lom0n.ru tcp
N/A 194.147.115.74:80 tholeferli.com tcp

Files

memory/1300-114-0x0000000000000000-mapping.dmp

memory/1300-115-0x00000000010A0000-0x0000000001166000-memory.dmp

memory/1300-116-0x00000000010A0000-0x00000000010AA000-memory.dmp

memory/1300-117-0x00000000010A1000-0x00000000010B9000-memory.dmp

memory/1300-118-0x0000000000AF0000-0x0000000000C3A000-memory.dmp