Malware Analysis Report

2024-10-19 02:39

Sample ID 240907-1f65baygle
Target 37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f
SHA256 37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f
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

37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f

Threat Level: Known bad

The file 37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f 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

Loads dropped DLL

Executes dropped EXE

Reads user/profile data of web browsers

Checks installed software on the system

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Checks processor information in registry

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-07 21:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-07 21:36

Reported

2024-09-07 21:39

Platform

win7-20240903-en

Max time kernel

149s

Max time network

53s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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

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\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2216 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2216 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2216 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2216 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 2216 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Windows\SysWOW64\schtasks.exe
PID 2216 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Windows\SysWOW64\schtasks.exe
PID 2216 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Windows\SysWOW64\schtasks.exe
PID 2216 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe C:\Windows\SysWOW64\schtasks.exe
PID 1616 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1616 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1616 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1616 wrote to memory of 2136 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe

Processes

C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe

"C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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:\Windows\system32\taskeng.exe

taskeng.exe {9E6BFA7C-59DA-49DE-97A7-6D1F6B8178D9} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]

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 twov2sb.top udp
RU 80.249.144.180:80 twov2sb.top tcp
RU 80.249.144.180:80 twov2sb.top tcp
RU 80.249.144.180:80 twov2sb.top tcp
RU 80.249.144.180:80 twov2sb.top tcp

Files

memory/2216-0-0x0000000000400000-0x0000000001068000-memory.dmp

memory/2216-1-0x0000000000400000-0x0000000001068000-memory.dmp

memory/2216-4-0x0000000000400000-0x0000000001068000-memory.dmp

memory/2216-19-0x0000000000400000-0x0000000001068000-memory.dmp

memory/2088-21-0x0000000000F70000-0x0000000000F81000-memory.dmp

memory/2088-22-0x00000000748E0000-0x0000000074A1C000-memory.dmp

memory/2136-30-0x0000000000F70000-0x0000000000F81000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 21:36

Reported

2024-09-07 21:39

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe

"C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 twov2sb.top udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
RU 80.249.144.180:80 twov2sb.top tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 180.144.249.80.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
RU 80.249.144.180:80 twov2sb.top tcp
RU 80.249.144.180:80 twov2sb.top tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
SE 192.229.221.95:80 tcp

Files

memory/2400-0-0x0000000000400000-0x0000000001068000-memory.dmp

memory/2400-1-0x0000000000400000-0x0000000001068000-memory.dmp

memory/2400-14-0x0000000000400000-0x0000000001068000-memory.dmp

memory/2932-16-0x0000000000260000-0x0000000000271000-memory.dmp

memory/2932-17-0x00000000752D0000-0x000000007540C000-memory.dmp

memory/1780-22-0x0000000000260000-0x0000000000271000-memory.dmp

memory/5108-37-0x0000000000260000-0x0000000000271000-memory.dmp