Malware Analysis Report

2024-11-15 06:30

Sample ID 220301-wvc3kacffp
Target f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.bin
SHA256 f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9
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

f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9

Threat Level: Known bad

The file f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.bin was found to be: Known bad.

Malicious Activity Summary

44caliber spyware stealer

44caliber family

44Caliber

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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 18:19

Platform

win7-en-20211208

Max time kernel

120s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.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\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe

"C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.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/1532-54-0x0000000000EF0000-0x0000000000F36000-memory.dmp

memory/1532-55-0x000007FEF4D03000-0x000007FEF4D04000-memory.dmp

memory/1532-56-0x000000001B150000-0x000000001B152000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-01 18:14

Reported

2022-03-01 18:19

Platform

win10v2004-en-20220112

Max time kernel

112s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.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\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe

"C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe"

Network

Country Destination Domain Proto
NL 104.80.224.57:443 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 freegeoip.app udp
US 188.114.96.0:443 freegeoip.app tcp
US 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
US 52.184.217.56:443 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 13.107.4.50:80 tcp
US 13.107.4.50:80 tcp

Files

memory/3780-130-0x000001ADA9120000-0x000001ADA9166000-memory.dmp

memory/3780-131-0x00007FFFD0A93000-0x00007FFFD0A95000-memory.dmp

memory/3780-132-0x000001ADAAEF0000-0x000001ADAAEF2000-memory.dmp