isrstealer | 9369c8e914653070131fe9699d18617f367c403eae6d739bdef7974d50c3e032 | Triage

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Overview

overview

Static

static

9369c8e914...32.exe

windows7-x64

9369c8e914...32.exe

windows10-2004-x64

3

Sharing

General

Target

9369c8e914653070131fe9699d18617f367c403eae6d739bdef7974d50c3e032
Size

648KB
Sample

221202-1tvnfacb81
MD5

612d3a263b05cdf932144c4b86a81588
SHA1

c4fabf889d321b89c0ccd15ae4089afe3f21a18d
SHA256

9369c8e914653070131fe9699d18617f367c403eae6d739bdef7974d50c3e032
SHA512

81aa5b3b919299bfc3410ce7ee9016c43583b0d7a8be50913757b7f48d6f671c4dd7d259a9c3173a3e41245f63c10b54f45e127407664d53475e9d2ac97be2d1
SSDEEP

6144:F76EZgP8mXJyt7q0hwf3bbf6NsV1ie7vdfY2zJlsJ9nuL5CAxTCCyzwZThI/2V:EE41J+qrzoup7BYyJlsJ9uEiA2V

Score

10^/10

isrstealer persistence spyware stealer trojan upx

Static task

static1

Behavioral task

behavioral1

Sample

9369c8e914653070131fe9699d18617f367c403eae6d739bdef7974d50c3e032.exe

Resource

win7-20221111-en

isrstealer persistence spyware stealer trojan upx

windows7-x64

13 signatures

150 seconds

Behavioral task

behavioral2

Sample

9369c8e914653070131fe9699d18617f367c403eae6d739bdef7974d50c3e032.exe

Resource

win10v2004-20221111-en

windows10-2004-x64

2 signatures

150 seconds

Malware Config

Targets

- Target
  
  9369c8e914653070131fe9699d18617f367c403eae6d739bdef7974d50c3e032
- Size
  
  648KB
- MD5
  
  612d3a263b05cdf932144c4b86a81588
- SHA1
  
  c4fabf889d321b89c0ccd15ae4089afe3f21a18d
- SHA256
  
  9369c8e914653070131fe9699d18617f367c403eae6d739bdef7974d50c3e032
- SHA512
  
  81aa5b3b919299bfc3410ce7ee9016c43583b0d7a8be50913757b7f48d6f671c4dd7d259a9c3173a3e41245f63c10b54f45e127407664d53475e9d2ac97be2d1
- SSDEEP
  
  6144:F76EZgP8mXJyt7q0hwf3bbf6NsV1ie7vdfY2zJlsJ9nuL5CAxTCCyzwZThI/2V:EE41J+qrzoup7BYyJlsJ9uEiA2V
Score

10^/10

isrstealer persistence spyware stealer trojan upx
- ISR Stealer
  ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
  trojan stealer isrstealer
- ISR Stealer payload
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Credentials in Files

Discovery

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

isrstealerpersistencespywarestealertrojanupx

behavioral2

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