Malware Analysis Report

2024-11-15 06:29

Sample ID 220301-wtsfvscfem
Target c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.bin
SHA256 c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b
Tags
44caliber spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b

Threat Level: Known bad

The file c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.bin was found to be: Known bad.

Malicious Activity Summary

44caliber spyware stealer

44caliber family

44Caliber

Reads user/profile data of web browsers

Accesses cryptocurrency files/wallets, possible credential harvesting

Looks up external IP address via web service

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-03-03 17:38

Signatures

44caliber family

44caliber

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-01 18:13

Reported

2022-03-01 18:18

Platform

win7-en-20211208

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe"

Signatures

44Caliber

stealer 44caliber

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

Description Indicator Process Target
N/A freegeoip.app N/A N/A
N/A freegeoip.app N/A N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe

"C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 188.114.97.0:443 freegeoip.app tcp

Files

memory/1304-55-0x0000000000370000-0x00000000003BA000-memory.dmp

memory/1304-56-0x000007FEF53E3000-0x000007FEF53E4000-memory.dmp

memory/1304-57-0x000000001AB60000-0x000000001AB62000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-01 18:13

Reported

2022-03-01 18:17

Platform

win10v2004-en-20220113

Max time kernel

137s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe"

Signatures

44Caliber

stealer 44caliber

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

Description Indicator Process Target
N/A freegeoip.app N/A N/A
N/A freegeoip.app N/A 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\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe

"C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 188.114.96.0:443 freegeoip.app tcp
US 8.8.8.8:53 crl4.digicert.com udp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp

Files

memory/1512-130-0x0000013DE49C0000-0x0000013DE4A0A000-memory.dmp

memory/1512-131-0x00007FFF7A223000-0x00007FFF7A225000-memory.dmp

memory/1512-132-0x0000013DFFD60000-0x0000013DFFD62000-memory.dmp