Malware Analysis Report

2025-01-02 12:18

Sample ID 240715-yvyqdazbmg
Target CBC018A005962DA8C30C9D42BEC99A40.exe
SHA256 01eea1c612f5b1552e0c7e4fa4f53b58339f1bdbac5055d717a5d2fdb4272ccf
Tags
stealc default 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

01eea1c612f5b1552e0c7e4fa4f53b58339f1bdbac5055d717a5d2fdb4272ccf

Threat Level: Known bad

The file CBC018A005962DA8C30C9D42BEC99A40.exe was found to be: Known bad.

Malicious Activity Summary

stealc default discovery spyware stealer

Stealc

Downloads MZ/PE file

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Drops desktop.ini file(s)

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-15 20:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-15 20:07

Reported

2024-07-15 20:09

Platform

win7-20240705-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe"

Signatures

Stealc

stealer stealc

Downloads MZ/PE file

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\ProgramData\desktop.ini C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.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\CBC018A005962DA8C30C9D42BEC99A40.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe

"C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe"

Network

Country Destination Domain Proto
DE 5.230.253.197:80 5.230.253.197 tcp

Files

memory/2512-0-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2512-1-0x00000000039D0000-0x0000000003C0C000-memory.dmp

memory/2512-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

\ProgramData\nss3.dll

MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

memory/2512-78-0x0000000000400000-0x000000000078E000-memory.dmp

memory/2512-121-0x00000000039D0000-0x0000000003C0C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-15 20:07

Reported

2024-07-15 20:09

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe"

Signatures

Stealc

stealer stealc

Downloads MZ/PE file

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\ProgramData\desktop.ini C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.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\CBC018A005962DA8C30C9D42BEC99A40.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe

"C:\Users\Admin\AppData\Local\Temp\CBC018A005962DA8C30C9D42BEC99A40.exe"

Network

Country Destination Domain Proto
DE 5.230.253.197:80 5.230.253.197 tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 197.253.230.5.in-addr.arpa udp
US 8.8.8.8:53 23.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/5112-0-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

memory/5112-1-0x0000000003670000-0x00000000038AC000-memory.dmp

memory/5112-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

C:\ProgramData\nss3.dll

MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

memory/5112-64-0x0000000000400000-0x000000000078E000-memory.dmp

memory/5112-94-0x0000000003670000-0x00000000038AC000-memory.dmp

memory/5112-97-0x0000000003670000-0x00000000038AC000-memory.dmp