Malware Analysis Report

2024-11-15 06:30

Sample ID 220301-wvg2hsbba2
Target fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.bin
SHA256 fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832
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

fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832

Threat Level: Known bad

The file fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.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 18:14

Reported

2022-03-01 18:18

Platform

win7-20220223-en

Max time kernel

4294178s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.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\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe

"C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.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/1844-54-0x00000000010A0000-0x00000000010EA000-memory.dmp

memory/1844-55-0x000007FEF5BA3000-0x000007FEF5BA4000-memory.dmp

memory/1844-56-0x000000001B060000-0x000000001B062000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-01 18:14

Reported

2022-03-01 18:20

Platform

win10v2004-en-20220112

Max time kernel

91s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.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\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe

"C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.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 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
US 52.148.148.114:443 geo.prod.do.dsp.mp.microsoft.com tcp
US 8.8.8.8:53 kv801.prod.do.dsp.mp.microsoft.com udp
NL 184.29.205.60:443 kv801.prod.do.dsp.mp.microsoft.com tcp
US 8.8.8.8:53 cp801.prod.do.dsp.mp.microsoft.com udp
NL 184.29.205.60:443 cp801.prod.do.dsp.mp.microsoft.com tcp
NL 184.29.205.60:443 cp801.prod.do.dsp.mp.microsoft.com tcp
US 188.114.96.0:443 tcp
NL 184.29.205.60:443 cp801.prod.do.dsp.mp.microsoft.com tcp

Files

memory/4008-130-0x0000029C92F90000-0x0000029C92FDA000-memory.dmp

memory/4008-131-0x00007FFE66D03000-0x00007FFE66D05000-memory.dmp

memory/4008-132-0x0000029CAD580000-0x0000029CAD582000-memory.dmp