isrstealer | 3e2ffd1ff49fe6a8452aaa29788f6cf7b5782d6e484a242126bab99e18478cb7 | Triage

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Reports

Overview

overview

Static

static

3

9797663764...18.exe

windows7-x64

9797663764...18.exe

windows10-2004-x64

Sharing

General

Target

979766376499dbcd64efcfbeaa31548e_JaffaCakes118
Size

572KB
Sample

240814-zfybqstbkg
MD5

979766376499dbcd64efcfbeaa31548e
SHA1

ea171016bb11882ec3d335bc52f53b3d72844ff0
SHA256

3e2ffd1ff49fe6a8452aaa29788f6cf7b5782d6e484a242126bab99e18478cb7
SHA512

9045a8ad9bf39b079ca361701c45dbfc3622179533f245988105a4f8d50a7159a357f0dba15e8fed3885abf045a9e68fdf1baa358805266d20eb00a5eeddc3af
SSDEEP

12288:B9vCVXp4IKXdHU1/jLnZkGTT2Saeva6QDQ8kGV+KfaPoJ49g4:aLhKjm9

Score

10^/10

isrstealer credential_access discovery spyware stealer trojan upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

979766376499dbcd64efcfbeaa31548e_JaffaCakes118.exe

Resource

win7-20240704-en

isrstealer credential_access discovery spyware stealer trojan upx

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

979766376499dbcd64efcfbeaa31548e_JaffaCakes118.exe

Resource

win10v2004-20240802-en

isrstealer credential_access discovery spyware stealer trojan upx

windows10-2004-x64

10 signatures

150 seconds

Malware Config

Targets

- Target
  
  979766376499dbcd64efcfbeaa31548e_JaffaCakes118
- Size
  
  572KB
- MD5
  
  979766376499dbcd64efcfbeaa31548e
- SHA1
  
  ea171016bb11882ec3d335bc52f53b3d72844ff0
- SHA256
  
  3e2ffd1ff49fe6a8452aaa29788f6cf7b5782d6e484a242126bab99e18478cb7
- SHA512
  
  9045a8ad9bf39b079ca361701c45dbfc3622179533f245988105a4f8d50a7159a357f0dba15e8fed3885abf045a9e68fdf1baa358805266d20eb00a5eeddc3af
- SSDEEP
  
  12288:B9vCVXp4IKXdHU1/jLnZkGTT2Saeva6QDQ8kGV+KfaPoJ49g4:aLhKjm9
Score

10^/10

isrstealer credential_access discovery 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
- Credentials from Password Stores: Credentials from Web Browsers
  Malicious Access or copy of Web Browser Credential store.
  credential_access stealer
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Suspicious use of SetThreadContext
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

isrstealercredential_accessdiscoveryspywarestealertrojanupx

behavioral2

isrstealercredential_accessdiscoveryspywarestealertrojanupx

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