Malware Analysis Report

2024-10-19 02:39

Sample ID 240908-pqqpjawdlp
Target 66dd5fafdeab3_lyla.exe
SHA256 8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519

Threat Level: Known bad

The file 66dd5fafdeab3_lyla.exe 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

Reads user/profile data of web browsers

Loads dropped DLL

Checks installed software on the system

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

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 12:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-08 12:32

Reported

2024-09-08 12:35

Platform

win10-20240404-en

Max time kernel

147s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.exe

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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 tventyv20sb.top udp
RU 194.87.248.136:80 tventyv20sb.top tcp
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/2768-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2768-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2768-10-0x0000000000400000-0x000000000106F000-memory.dmp

memory/3688-12-0x0000000000890000-0x00000000008A1000-memory.dmp

memory/3688-13-0x0000000074030000-0x000000007416C000-memory.dmp

memory/2340-24-0x0000000000890000-0x00000000008A1000-memory.dmp

memory/1728-39-0x0000000000890000-0x00000000008A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-08 12:32

Reported

2024-09-08 12:35

Platform

win7-20240729-en

Max time kernel

147s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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 1976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 1976 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Windows\SysWOW64\schtasks.exe
PID 1976 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Windows\SysWOW64\schtasks.exe
PID 1976 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Windows\SysWOW64\schtasks.exe
PID 1976 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe C:\Windows\SysWOW64\schtasks.exe
PID 660 wrote to memory of 2908 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 660 wrote to memory of 2908 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 660 wrote to memory of 2908 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 660 wrote to memory of 2908 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 660 wrote to memory of 1168 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 660 wrote to memory of 1168 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 660 wrote to memory of 1168 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe
PID 660 wrote to memory of 1168 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\service123.exe

Processes

C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.exe

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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 {93289C01-0D25-4EA7-AE89-FA944E812C0D} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]

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 tventyv20sb.top udp
RU 194.87.248.136:80 tventyv20sb.top tcp

Files

memory/1976-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/1976-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/1976-14-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2352-16-0x00000000013C0000-0x00000000013D1000-memory.dmp

memory/2352-17-0x00000000753B0000-0x00000000754EC000-memory.dmp

memory/2908-29-0x00000000013C0000-0x00000000013D1000-memory.dmp

memory/1168-44-0x00000000013C0000-0x00000000013D1000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-09-08 12:32

Reported

2024-09-08 12:35

Platform

win10v2004-20240802-en

Max time kernel

147s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.exe

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 tventyv20sb.top udp
RU 194.87.248.136:80 tventyv20sb.top tcp
US 8.8.8.8:53 136.248.87.194.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.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 43.229.111.52.in-addr.arpa udp

Files

memory/2448-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2448-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2448-13-0x0000000000400000-0x000000000106F000-memory.dmp

memory/2616-15-0x00000000005F0000-0x0000000000601000-memory.dmp

memory/2616-16-0x0000000074F80000-0x00000000750BC000-memory.dmp

memory/640-27-0x00000000005F0000-0x0000000000601000-memory.dmp

memory/4032-42-0x00000000005F0000-0x0000000000601000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-09-08 12:32

Reported

2024-09-08 12:35

Platform

win11-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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\66dd5fafdeab3_lyla.exe

"C:\Users\Admin\AppData\Local\Temp\66dd5fafdeab3_lyla.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 tventyv20sb.top udp
RU 194.87.248.136:80 tventyv20sb.top tcp

Files

memory/5052-0-0x0000000000400000-0x000000000106F000-memory.dmp

memory/5052-1-0x0000000000400000-0x000000000106F000-memory.dmp

memory/5052-13-0x0000000000400000-0x000000000106F000-memory.dmp

memory/1468-15-0x0000000000FF0000-0x0000000001001000-memory.dmp

memory/1468-16-0x00000000758B0000-0x00000000759EC000-memory.dmp

memory/792-27-0x0000000000FF0000-0x0000000001001000-memory.dmp

memory/1008-42-0x0000000000FF0000-0x0000000001001000-memory.dmp