isrstealer | 7cc8c112ed99935b0a69b1ddd4fe672eaab54310b75e467ca1485b0a2e589a1c | Triage

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Overview

overview

Static

static

3

8269b1107a...18.exe

windows7-x64

8269b1107a...18.exe

windows10-2004-x64

Sharing

General

Target

8269b1107aeefdb83374ecc9149878f5_JaffaCakes118
Size

269KB
Sample

241031-jz9acavaqb
MD5

8269b1107aeefdb83374ecc9149878f5
SHA1

274e6dabe1574074fc4303167030fd21d184789e
SHA256

7cc8c112ed99935b0a69b1ddd4fe672eaab54310b75e467ca1485b0a2e589a1c
SHA512

f16f8c9812fd1b56093882f9d8d3bdcabb43d1fbdcedbfe6bd83cf820316a7b772a913d5a6ce61957c676f6057f9aac614a072bcbdd320c8b52379d937949b3b
SSDEEP

6144:BP8ilqgFAjN98/Un8Ple1evMigXAuQoYE1R:BP8ilPKROs8JvNgXBQPE1

Score

10^/10

isrstealer collection discovery persistence spyware stealer trojan upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

8269b1107aeefdb83374ecc9149878f5_JaffaCakes118.exe

Resource

win7-20240903-en

isrstealer discovery persistence spyware stealer trojan upx

windows7-x64

12 signatures

150 seconds

Behavioral task

behavioral2

Sample

8269b1107aeefdb83374ecc9149878f5_JaffaCakes118.exe

Resource

win10v2004-20241007-en

isrstealer collection discovery persistence stealer trojan upx

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  8269b1107aeefdb83374ecc9149878f5_JaffaCakes118
- Size
  
  269KB
- MD5
  
  8269b1107aeefdb83374ecc9149878f5
- SHA1
  
  274e6dabe1574074fc4303167030fd21d184789e
- SHA256
  
  7cc8c112ed99935b0a69b1ddd4fe672eaab54310b75e467ca1485b0a2e589a1c
- SHA512
  
  f16f8c9812fd1b56093882f9d8d3bdcabb43d1fbdcedbfe6bd83cf820316a7b772a913d5a6ce61957c676f6057f9aac614a072bcbdd320c8b52379d937949b3b
- SSDEEP
  
  6144:BP8ilqgFAjN98/Un8Ple1evMigXAuQoYE1R:BP8ilPKROs8JvNgXBQPE1
Score

10^/10

isrstealer discovery persistence spyware stealer trojan upx collection
- ISR Stealer
  ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
  trojan stealer isrstealer
- ISR Stealer payload
- Isrstealer family
  isrstealer
- Detected Nirsoft tools
  Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView
  Password recovery tool for various email clients
- 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
- 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

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

isrstealerdiscoverypersistencespywarestealertrojanupx

behavioral2

isrstealercollectiondiscoverypersistencestealertrojanupx

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