Malware Analysis Report

2024-11-13 14:23

Sample ID 220323-cwdkyaeaa9
Target 63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.zip
SHA256 7887903ccd5814fed9771191107018b53c41db9760007f3b6c1204c22f87db3c
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

7887903ccd5814fed9771191107018b53c41db9760007f3b6c1204c22f87db3c

Threat Level: Known bad

The file 63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.zip 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

2022-03-23 02:25

Signatures

44caliber family

44caliber

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-23 02:25

Reported

2022-03-23 02:27

Platform

win7-20220311-en

Max time kernel

4294180s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.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\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe

"C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.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/1280-54-0x0000000000840000-0x000000000088A000-memory.dmp

memory/1280-55-0x00000000004C0000-0x00000000004C2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-23 02:25

Reported

2022-03-23 02:27

Platform

win10v2004-20220310-en

Max time kernel

122s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.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\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.exe

"C:\Users\Admin\AppData\Local\Temp\63e0efb7ec667e935cd34b2a76da22e48f816b5f98b3c14870b378f681f98c8e.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 104.80.225.205:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp

Files

memory/2044-134-0x00000000000A0000-0x00000000000EA000-memory.dmp

memory/2044-135-0x00007FF8947B0000-0x00007FF895271000-memory.dmp

memory/2044-136-0x0000000000890000-0x0000000000892000-memory.dmp