isrstealer | 1415af94f7a9b7bdb07bb9c113b025b0b6f6cff5f072baa3735363f16897be4a | Triage

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Reports

Overview

overview

Static

static

1415af94f7...4a.exe

windows7-x64

1415af94f7...4a.exe

windows10-2004-x64

Sharing

General

Target

1415af94f7a9b7bdb07bb9c113b025b0b6f6cff5f072baa3735363f16897be4a
Size

474KB
Sample

221021-j6saeabadm
MD5

591d4b220d8e425034be1aa8d66e5230
SHA1

12d004a920d037314444e946e3fed0d9f7f80f01
SHA256

1415af94f7a9b7bdb07bb9c113b025b0b6f6cff5f072baa3735363f16897be4a
SHA512

1335a34753ddfc03cc7dee80e336668f9f7ffe53c6336f1b43e7b45c48966847ba625297b981cb8731f8600f265f1921102b4be6dec3e3dbd27e0071f368bc16
SSDEEP

12288:mfx/RiZaBvxLEdUumMRVtbnW9CO8m/wre:mfhMQ54dtmMRVtbWz/7

Score

10^/10

isrstealer collection persistence spyware stealer trojan upx

Static task

static1

Behavioral task

behavioral1

Sample

1415af94f7a9b7bdb07bb9c113b025b0b6f6cff5f072baa3735363f16897be4a.exe

Resource

win7-20220901-en

isrstealer collection persistence spyware stealer trojan upx

windows7-x64

13 signatures

150 seconds

Behavioral task

behavioral2

Sample

1415af94f7a9b7bdb07bb9c113b025b0b6f6cff5f072baa3735363f16897be4a.exe

Resource

win10v2004-20220901-en

isrstealer collection persistence spyware stealer trojan upx

windows10-2004-x64

15 signatures

150 seconds

Malware Config

Targets

- Target
  
  1415af94f7a9b7bdb07bb9c113b025b0b6f6cff5f072baa3735363f16897be4a
- Size
  
  474KB
- MD5
  
  591d4b220d8e425034be1aa8d66e5230
- SHA1
  
  12d004a920d037314444e946e3fed0d9f7f80f01
- SHA256
  
  1415af94f7a9b7bdb07bb9c113b025b0b6f6cff5f072baa3735363f16897be4a
- SHA512
  
  1335a34753ddfc03cc7dee80e336668f9f7ffe53c6336f1b43e7b45c48966847ba625297b981cb8731f8600f265f1921102b4be6dec3e3dbd27e0071f368bc16
- SSDEEP
  
  12288:mfx/RiZaBvxLEdUumMRVtbnW9CO8m/wre:mfhMQ54dtmMRVtbWz/7
Score

10^/10

isrstealer collection 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
- NirSoft MailPassView
  Password recovery tool for various email clients
- Nirsoft
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Credentials in Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

isrstealercollectionpersistencespywarestealertrojanupx

behavioral2

isrstealercollectionpersistencespywarestealertrojanupx

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