Malware Analysis Report

2024-11-15 06:30

Sample ID 220301-wt91xacffl
Target e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.bin
SHA256 e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3
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

e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3

Threat Level: Known bad

The file e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.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

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 18:18

Platform

win7-20220223-en

Max time kernel

4294182s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.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\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe

"C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.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/1692-54-0x0000000001060000-0x00000000010AA000-memory.dmp

memory/1692-55-0x000007FEF5AE3000-0x000007FEF5AE4000-memory.dmp

memory/1692-56-0x000000001A900000-0x000000001A902000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-01 18:14

Reported

2022-03-01 18:18

Platform

win10v2004-en-20220112

Max time kernel

92s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.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\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe

"C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe"

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 72.21.91.29:80 tcp
US 8.8.8.8:53 freegeoip.app udp
US 188.114.97.0:443 freegeoip.app tcp
NL 52.109.88.36:443 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 8.8.8.8:53 226.101.242.52.in-addr.arpa udp

Files

memory/3036-131-0x00000291E8ED0000-0x00000291E8F1A000-memory.dmp

memory/3036-132-0x00007FFB35163000-0x00007FFB35165000-memory.dmp

memory/3036-133-0x00000291EAB80000-0x00000291EAB82000-memory.dmp