Malware Analysis Report

2024-10-23 17:15

Sample ID 240909-d33n3sscnf
Target 705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59
SHA256 705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59
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

705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59

Threat Level: Known bad

The file 705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59 was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Reads user/profile data of web browsers

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Checks installed software on the system

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Checks processor information in registry

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 03:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 03:32

Reported

2024-09-09 03:35

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\service123.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\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.exe

"C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 siv6sb.top udp
RU 80.249.144.180:80 siv6sb.top tcp
US 8.8.8.8:53 180.144.249.80.in-addr.arpa udp
RU 80.249.144.180:80 siv6sb.top tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 80.249.144.180:80 siv6sb.top tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3244-0-0x0000000000400000-0x0000000001065000-memory.dmp

memory/3244-1-0x0000000000400000-0x0000000001065000-memory.dmp

memory/3244-13-0x0000000000400000-0x0000000001065000-memory.dmp

memory/4612-15-0x0000000000890000-0x00000000008A1000-memory.dmp

memory/4612-16-0x00000000753E0000-0x000000007551C000-memory.dmp

memory/6052-21-0x0000000000890000-0x00000000008A1000-memory.dmp

memory/5852-36-0x0000000000890000-0x00000000008A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 03:32

Reported

2024-09-09 03:35

Platform

win11-20240802-en

Max time kernel

142s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.exe

"C:\Users\Admin\AppData\Local\Temp\705715ead0838a08df2dae3ed90af2a55c1a3164a32c4aafa9ca587292cebc59.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 siv6sb.top udp
RU 80.249.144.180:80 siv6sb.top tcp
US 8.8.8.8:53 180.144.249.80.in-addr.arpa udp
RU 80.249.144.180:80 siv6sb.top tcp
RU 80.249.144.180:80 siv6sb.top tcp

Files

memory/3304-0-0x0000000000400000-0x0000000001065000-memory.dmp

memory/3304-1-0x0000000000400000-0x0000000001065000-memory.dmp

memory/3304-13-0x0000000000400000-0x0000000001065000-memory.dmp

memory/1352-15-0x0000000000470000-0x0000000000481000-memory.dmp

memory/1352-16-0x0000000075100000-0x000000007523C000-memory.dmp

memory/4864-21-0x0000000000470000-0x0000000000481000-memory.dmp

memory/4552-36-0x0000000000470000-0x0000000000481000-memory.dmp