isrstealer | cf242e41eb5aceaf698df23202a4981518edce73773a801bef74eec05032aa8e | Triage

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Overview

overview

Static

static

c466acccd6...18.exe

windows7-x64

c466acccd6...18.exe

windows10-2004-x64

Sharing

General

Target

c466acccd65b0e9eda78d83f1d906def_JaffaCakes118
Size

280KB
Sample

241204-zz5j6a1pbt
MD5

c466acccd65b0e9eda78d83f1d906def
SHA1

1e00df90d1578967edef3ef3f8b83c4459703b5c
SHA256

cf242e41eb5aceaf698df23202a4981518edce73773a801bef74eec05032aa8e
SHA512

117bfc3f0a6e514348a28cf8e62f42e5cae8e6afc0f33a3166b6a95934722f0ce0cd9dc9de1fdadb95439b8be2bb43c0885eb78d0f20e1ef67df677566109bca
SSDEEP

6144:C3bdXPx32dIKCC0ef//uXltKc+LVsz9b8CxvTV5ndkhPFZt:02dFeCXuLKcCVsz6CxvTV5nkPLt

Score

10^/10

isrstealer discovery spyware stealer trojan upx

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe

Resource

win7-20240903-en

isrstealer discovery spyware stealer trojan upx

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe

Resource

win10v2004-20241007-en

isrstealer discovery spyware stealer trojan upx

windows10-2004-x64

8 signatures

150 seconds

Malware Config

Targets

- Target
  
  c466acccd65b0e9eda78d83f1d906def_JaffaCakes118
- Size
  
  280KB
- MD5
  
  c466acccd65b0e9eda78d83f1d906def
- SHA1
  
  1e00df90d1578967edef3ef3f8b83c4459703b5c
- SHA256
  
  cf242e41eb5aceaf698df23202a4981518edce73773a801bef74eec05032aa8e
- SHA512
  
  117bfc3f0a6e514348a28cf8e62f42e5cae8e6afc0f33a3166b6a95934722f0ce0cd9dc9de1fdadb95439b8be2bb43c0885eb78d0f20e1ef67df677566109bca
- SSDEEP
  
  6144:C3bdXPx32dIKCC0ef//uXltKc+LVsz9b8CxvTV5ndkhPFZt:02dFeCXuLKcCVsz6CxvTV5nkPLt
Score

10^/10

isrstealer discovery spyware stealer trojan upx
- ISR Stealer
  ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
  trojan stealer isrstealer
- Isrstealer family
  isrstealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Suspicious use of SetThreadContext
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

isrstealerdiscoveryspywarestealertrojanupx

behavioral2

isrstealerdiscoveryspywarestealertrojanupx

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