Malware Analysis Report

2024-10-19 02:37

Sample ID 240907-s948ta1epp
Target c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff
SHA256 c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff
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

c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff

Threat Level: Known bad

The file c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff 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

Loads dropped DLL

Checks computer location settings

Reads user/profile data of web browsers

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-07 15:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-07 15:50

Reported

2024-09-07 15:53

Platform

win10v2004-20240802-en

Max time kernel

144s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 sevtv17sb.top udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 sevtv17sb.top udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 sevtv17sb.top udp
RU 194.87.248.136:80 sevtv17sb.top tcp
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4644-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4644-3-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4644-4-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4644-16-0x0000000000400000-0x000000000106F000-memory.dmp

memory/4920-18-0x00000000000F0000-0x0000000000101000-memory.dmp

memory/4920-19-0x0000000075040000-0x000000007517C000-memory.dmp

memory/2532-22-0x00000000000F0000-0x0000000000101000-memory.dmp

memory/2100-37-0x00000000000F0000-0x0000000000101000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 15:50

Reported

2024-09-07 15:53

Platform

win11-20240802-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe"

Signatures

CryptBot

spyware stealer cryptbot

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\service123.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.exe

"C:\Users\Admin\AppData\Local\Temp\c56917c40623e6f97fb1168b7586d3434b3ba23e0ddaa40ebe455ff7ab7db2ff.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

Network

Country Destination Domain Proto
US 8.8.8.8:53 sevtv17sb.top udp
RU 194.87.248.136:80 sevtv17sb.top tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp

Files

memory/2188-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2188-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2188-2-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2188-14-0x0000000000400000-0x000000000106F000-memory.dmp

memory/3496-16-0x0000000000130000-0x0000000000141000-memory.dmp

memory/3496-17-0x0000000075330000-0x000000007546C000-memory.dmp

memory/1488-26-0x0000000000130000-0x0000000000141000-memory.dmp