Malware Analysis Report

2024-10-23 17:16

Sample ID 240910-fhv5lsxenq
Target c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b
SHA256 c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b
Tags
cryptbot credential_access discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b

Threat Level: Known bad

The file c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Loads dropped DLL

Checks computer location settings

Reads user/profile data of web browsers

Executes dropped EXE

Checks installed software on the system

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-10 04:52

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-10 04:52

Reported

2024-09-10 04:55

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe"

Signatures

CryptBot

spyware stealer cryptbot

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\service123.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe

"C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe"

C:\Users\Admin\AppData\Local\Temp\service123.exe

"C:\Users\Admin\AppData\Local\Temp\service123.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 threv3pn.top udp
RU 185.244.181.38:80 threv3pn.top tcp
US 8.8.8.8:53 38.181.244.185.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 185.244.181.38:80 threv3pn.top tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
RU 185.244.181.38:80 threv3pn.top tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp

Files

memory/3380-0-0x0000000000400000-0x0000000001073000-memory.dmp

memory/3380-1-0x0000000000400000-0x0000000001073000-memory.dmp

memory/3380-13-0x0000000000400000-0x0000000001073000-memory.dmp

memory/4716-15-0x0000000000FD0000-0x0000000000FE1000-memory.dmp

memory/4716-16-0x0000000075130000-0x000000007526C000-memory.dmp

memory/1168-23-0x0000000000FD0000-0x0000000000FE1000-memory.dmp

memory/436-38-0x0000000000FD0000-0x0000000000FE1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-10 04:52

Reported

2024-09-10 04:55

Platform

win11-20240802-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe"

Signatures

CryptBot

spyware stealer cryptbot

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\service123.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe

"C:\Users\Admin\AppData\Local\Temp\c5355af4a5490dd8bdd0e94e12e7846ae8c5e743bc6393141a5340e3c93fb92b.exe"

C:\Users\Admin\AppData\Local\Temp\service123.exe

"C:\Users\Admin\AppData\Local\Temp\service123.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

C:\Users\Admin\AppData\Local\Temp\service123.exe

C:\Users\Admin\AppData\Local\Temp\/service123.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 threv3pn.top udp
RU 185.244.181.38:80 threv3pn.top tcp
US 8.8.8.8:53 38.181.244.185.in-addr.arpa udp
RU 185.244.181.38:80 threv3pn.top tcp
RU 185.244.181.38:80 threv3pn.top tcp

Files

memory/4060-0-0x0000000000400000-0x0000000001073000-memory.dmp

memory/4060-1-0x0000000000400000-0x0000000001073000-memory.dmp

memory/4060-13-0x0000000000400000-0x0000000001073000-memory.dmp

memory/4880-15-0x0000000000B40000-0x0000000000B51000-memory.dmp

memory/4880-16-0x0000000074A20000-0x0000000074B5C000-memory.dmp

memory/3716-23-0x0000000000B40000-0x0000000000B51000-memory.dmp

memory/3968-38-0x0000000000B40000-0x0000000000B51000-memory.dmp