Malware Analysis Report

2024-10-23 17:17

Sample ID 240909-rcp7yssakj
Target 4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1
SHA256 4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1
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

4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1

Threat Level: Known bad

The file 4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1 was found to be: Known bad.

Malicious Activity Summary

cryptbot credential_access discovery spyware stealer

CryptBot

Credentials from Password Stores: Credentials from Web Browsers

Checks computer location settings

Executes dropped EXE

Reads user/profile data of web browsers

Loads dropped DLL

Checks installed software on the system

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Checks processor information in registry

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 14:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 14:03

Reported

2024-09-09 14:05

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.exe

"C:\Users\Admin\AppData\Local\Temp\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 tventyv20pn.top udp
RU 194.87.248.136:80 tventyv20pn.top tcp
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
SE 192.229.221.95:80 tcp

Files

memory/4104-0-0x0000000000400000-0x0000000001068000-memory.dmp

memory/4104-1-0x0000000000400000-0x0000000001068000-memory.dmp

memory/4104-13-0x0000000000400000-0x0000000001068000-memory.dmp

memory/3932-15-0x0000000000680000-0x0000000000691000-memory.dmp

memory/3932-16-0x0000000075240000-0x000000007537C000-memory.dmp

memory/4228-19-0x0000000000680000-0x0000000000691000-memory.dmp

memory/3700-34-0x0000000000680000-0x0000000000691000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 14:03

Reported

2024-09-09 14:05

Platform

win11-20240802-en

Max time kernel

145s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.exe

"C:\Users\Admin\AppData\Local\Temp\4022b529efa2d5cfea939732cab5f0829c1129809b7b6813bd1e80e7e9b14dc1.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 tventyv20pn.top udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 194.87.248.136:80 tventyv20pn.top tcp

Files

memory/3484-0-0x0000000000400000-0x0000000001068000-memory.dmp

memory/3484-1-0x0000000000400000-0x0000000001068000-memory.dmp

memory/3484-13-0x0000000000400000-0x0000000001068000-memory.dmp

memory/4472-15-0x0000000000D70000-0x0000000000D81000-memory.dmp

memory/4472-16-0x0000000075580000-0x00000000756BC000-memory.dmp

memory/4224-19-0x0000000000D70000-0x0000000000D81000-memory.dmp

memory/3560-34-0x0000000000D70000-0x0000000000D81000-memory.dmp