Malware Analysis Report

2025-04-13 11:29

Sample ID 220625-lq8zbshea4
Target 81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873
SHA256 81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873
Tags
cryptbot discovery evasion 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

81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873

Threat Level: Known bad

The file 81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873 was found to be: Known bad.

Malicious Activity Summary

cryptbot discovery evasion spyware stealer

CryptBot

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Reads user/profile data of web browsers

Identifies Wine through registry keys

Checks BIOS information in registry

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Looks up external IP address via web service

Suspicious use of NtSetInformationThreadHideFromDebugger

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-25 09:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-25 09:45

Reported

2022-06-25 11:43

Platform

win7-20220414-en

Max time kernel

150s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe"

Signatures

CryptBot

spyware stealer cryptbot

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe

"C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 rifat05.info udp

Files

memory/288-54-0x0000000000120000-0x000000000066C000-memory.dmp

memory/288-55-0x0000000075391000-0x0000000075393000-memory.dmp

memory/288-56-0x00000000749D1000-0x00000000749D3000-memory.dmp

memory/288-57-0x0000000077910000-0x0000000077A90000-memory.dmp

memory/288-58-0x0000000000120000-0x000000000066C000-memory.dmp

memory/288-59-0x00000000746D1000-0x00000000746D3000-memory.dmp

memory/288-60-0x0000000074561000-0x0000000074563000-memory.dmp

memory/288-68-0x0000000074541000-0x0000000074543000-memory.dmp

memory/288-69-0x0000000000120000-0x000000000066C000-memory.dmp

memory/288-70-0x0000000077910000-0x0000000077A90000-memory.dmp

memory/288-71-0x0000000000120000-0x000000000066C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-25 09:45

Reported

2022-06-25 11:44

Platform

win10v2004-20220414-en

Max time kernel

153s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe"

Signatures

CryptBot

spyware stealer cryptbot

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe

"C:\Users\Admin\AppData\Local\Temp\81db3923268165f06426206501bd2a243069c073b20bd197a7ae5641ad8f0873.exe"

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 rifat05.info udp
NL 104.110.191.140:80 tcp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 52.168.117.170:443 tcp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
FR 2.18.109.224:443 tcp
US 104.18.25.243:80 tcp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp
US 8.8.8.8:53 rifat05.info udp

Files

memory/4788-130-0x0000000000590000-0x0000000000ADC000-memory.dmp

memory/4788-131-0x00000000773A0000-0x0000000077543000-memory.dmp

memory/4788-132-0x0000000000590000-0x0000000000ADC000-memory.dmp

memory/4788-133-0x0000000000590000-0x0000000000ADC000-memory.dmp

memory/4788-134-0x00000000773A0000-0x0000000077543000-memory.dmp

memory/4788-135-0x0000000000590000-0x0000000000ADC000-memory.dmp