Malware Analysis Report

2024-11-15 06:30

Sample ID 220301-wvb59scffn
Target f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.bin
SHA256 f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3
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

f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3

Threat Level: Known bad

The file f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.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 use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

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 18:14

Reported

2022-03-01 18:18

Platform

win7-20220223-en

Max time kernel

4294180s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.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

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\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe

"C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 172.67.188.154:443 freegeoip.app tcp
US 104.21.19.200:443 freegeoip.app tcp

Files

memory/1252-54-0x000007FEF6013000-0x000007FEF6014000-memory.dmp

memory/1252-55-0x0000000000BD0000-0x0000000000C1A000-memory.dmp

memory/1252-56-0x000000001B0D0000-0x000000001B0D2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-01 18:14

Reported

2022-03-01 18:18

Platform

win10v2004-en-20220113

Max time kernel

133s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.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\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe

"C:\Users\Admin\AppData\Local\Temp\f2ebbd3a6835c9c875475605cba021da3d2b2d55709d93f12e393187c3fddbb3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 188.114.97.0:443 freegeoip.app tcp
US 52.109.12.18:443 tcp
NL 178.79.208.1:80 tcp
NL 178.79.208.1:80 tcp
US 13.89.179.9:443 tcp

Files

memory/2608-130-0x00000292A3FE0000-0x00000292A402A000-memory.dmp

memory/2608-131-0x00007FFB177A3000-0x00007FFB177A5000-memory.dmp

memory/2608-132-0x00000292A4240000-0x00000292A4242000-memory.dmp