Malware Analysis Report

2024-10-19 02:39

Sample ID 240908-r2hjea1frr
Target f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc
SHA256 f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc
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

f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc

Threat Level: Known bad

The file f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Reads user/profile data of web browsers

Checks installed software on the system

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-08 14:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-08 14:41

Reported

2024-09-08 14:43

Platform

win10v2004-20240802-en

Max time kernel

143s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.exe

"C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.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
RU 80.249.144.180:80 siv6sb.top tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/560-0-0x0000000000400000-0x000000000106C000-memory.dmp

memory/560-1-0x0000000000400000-0x000000000106C000-memory.dmp

memory/560-13-0x0000000000400000-0x000000000106C000-memory.dmp

memory/8-15-0x00000000003A0000-0x00000000003B1000-memory.dmp

memory/8-16-0x0000000075920000-0x0000000075A5C000-memory.dmp

memory/3356-19-0x00000000003A0000-0x00000000003B1000-memory.dmp

memory/4424-34-0x00000000003A0000-0x00000000003B1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-08 14:41

Reported

2024-09-08 14:43

Platform

win11-20240802-en

Max time kernel

145s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.exe

"C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.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
RU 80.249.144.180:80 siv6sb.top tcp
RU 80.249.144.180:80 siv6sb.top tcp

Files

memory/2052-0-0x0000000000400000-0x000000000106C000-memory.dmp

memory/2052-1-0x0000000000400000-0x000000000106C000-memory.dmp

memory/2052-13-0x0000000000400000-0x000000000106C000-memory.dmp

memory/4840-17-0x0000000000E10000-0x0000000000E21000-memory.dmp

memory/3432-18-0x0000000000E10000-0x0000000000E21000-memory.dmp

memory/3432-19-0x0000000075670000-0x00000000757AC000-memory.dmp

memory/2016-32-0x0000000000E10000-0x0000000000E21000-memory.dmp