Malware Analysis Report

2024-11-13 14:23

Sample ID 220314-w1jgjachen
Target b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da
SHA256 b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da
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

b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da

Threat Level: Known bad

The file b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da 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

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-03-14 18:23

Signatures

44caliber family

44caliber

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-14 18:23

Reported

2022-03-14 20:18

Platform

win7-20220311-en

Max time kernel

4294178s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.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\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe

"C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 188.114.97.0:443 freegeoip.app tcp
NL 142.250.179.206:443 tcp

Files

memory/1832-54-0x0000000001210000-0x000000000125A000-memory.dmp

memory/1832-55-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp

memory/1832-56-0x000000001A870000-0x000000001A872000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-14 18:23

Reported

2022-03-14 20:19

Platform

win10v2004-20220310-en

Max time kernel

115s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.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\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe

"C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 188.114.96.0:443 freegeoip.app tcp

Files

memory/3428-134-0x00000000007E0000-0x000000000082A000-memory.dmp

memory/3428-135-0x00007FFFED4E0000-0x00007FFFEDFA1000-memory.dmp

memory/3428-136-0x0000000002AF0000-0x0000000002AF2000-memory.dmp