isrstealer | 4f851094891460acb9aee4b0273dc8f8b1dd760e63233daf93cdb21b57e8f3ab | Triage

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Reports

Overview

overview

Static

static

4f85109489...ab.exe

windows7-x64

4f85109489...ab.exe

windows10-2004-x64

9

Sharing

General

Target

4f851094891460acb9aee4b0273dc8f8b1dd760e63233daf93cdb21b57e8f3ab
Size

260KB
Sample

221002-lrs99shhb3
MD5

6bb6057b3d183d8966b50ccbe364b370
SHA1

ea48392d5dcd15f64a2d1cb9108c6141c1aabce3
SHA256

4f851094891460acb9aee4b0273dc8f8b1dd760e63233daf93cdb21b57e8f3ab
SHA512

ea0c2ed98a48cdeb35168d108aeebc50108f75ab64e8538cf323ae03e9c900f67995dfe19c1520debc0ef2dadd1468e1cc2aae7bd488f82f5fe58dbd3f8b581d
SSDEEP

6144:gYb//1PxwDdIKCC0ef//uXltKc+LVsz9b8R4jvLXou:wDdFeCXuLKcCVsz6SDLXo

Score

10^/10

isrstealer collection spyware stealer trojan upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

4f851094891460acb9aee4b0273dc8f8b1dd760e63233daf93cdb21b57e8f3ab.exe

Resource

win7-20220812-en

isrstealer collection spyware stealer trojan upx

windows7-x64

9 signatures

150 seconds

Behavioral task

behavioral2

Sample

4f851094891460acb9aee4b0273dc8f8b1dd760e63233daf93cdb21b57e8f3ab.exe

Resource

win10v2004-20220812-en

collection spyware stealer upx

windows10-2004-x64

8 signatures

150 seconds

Malware Config

Targets

- Target
  
  4f851094891460acb9aee4b0273dc8f8b1dd760e63233daf93cdb21b57e8f3ab
- Size
  
  260KB
- MD5
  
  6bb6057b3d183d8966b50ccbe364b370
- SHA1
  
  ea48392d5dcd15f64a2d1cb9108c6141c1aabce3
- SHA256
  
  4f851094891460acb9aee4b0273dc8f8b1dd760e63233daf93cdb21b57e8f3ab
- SHA512
  
  ea0c2ed98a48cdeb35168d108aeebc50108f75ab64e8538cf323ae03e9c900f67995dfe19c1520debc0ef2dadd1468e1cc2aae7bd488f82f5fe58dbd3f8b581d
- SSDEEP
  
  6144:gYb//1PxwDdIKCC0ef//uXltKc+LVsz9b8R4jvLXou:wDdFeCXuLKcCVsz6SDLXo
Score

10^/10

isrstealer collection spyware stealer trojan upx
- ISR Stealer
  ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
  trojan stealer isrstealer
- NirSoft MailPassView
  Password recovery tool for various email clients
- Nirsoft
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses Microsoft Outlook accounts
  collection
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

isrstealercollectionspywarestealertrojanupx

behavioral2

collectionspywarestealerupx

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