Malware Analysis Report

2025-01-18 16:46

Sample ID 220308-tpwllsghc7
Target 6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0
SHA256 6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0
Tags
isrstealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0

Threat Level: Known bad

The file 6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0 was found to be: Known bad.

Malicious Activity Summary

isrstealer

ISR Stealer Payload

Isrstealer family

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-03-08 16:14

Signatures

ISR Stealer Payload

Description Indicator Process Target
N/A N/A N/A N/A

Isrstealer family

isrstealer

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-08 16:14

Reported

2022-03-08 16:19

Platform

win7-20220223-en

Max time kernel

4294180s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-08 16:14

Reported

2022-03-08 16:20

Platform

win10v2004-en-20220112

Max time kernel

91s

Max time network

157s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b118d25a87a166736c703864e93e14976c09fff182c11aee5bc7e64359fe4b0.dll,#1

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
IE 51.104.162.168:443 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
BE 8.238.110.126:80 tcp
NL 8.238.24.126:80 tcp

Files

N/A