isrstealer | b22d76cd4b762ce1ef2948ae99a00a3ff792c5ae7a52126956d59bd3386d361a | Triage

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Overview

overview

Static

static

b22d76cd4b...1a.exe

windows7-x64

9

b22d76cd4b...1a.exe

windows10-2004-x64

9

Sharing

General

Target

b22d76cd4b762ce1ef2948ae99a00a3ff792c5ae7a52126956d59bd3386d361a
Size

400KB
Sample

221129-zhex6sed58
MD5

a33670d5b331df7787a33c791d49d122
SHA1

4c4e1db17850e7d5701ffb1d2e88eaa74200b882
SHA256

b22d76cd4b762ce1ef2948ae99a00a3ff792c5ae7a52126956d59bd3386d361a
SHA512

cdee0aa366693f66b35e18523aade250a71328178dab6b9343f6da5aeb59533403ea03c45b92189c74e03d7b460c6beff4f8bd652bb8dddaf4da0b684d910b60
SSDEEP

6144:1Yb//1PxwMdIKCC0ef//uXltKc+LVsz9b8R4jvLXouFYrL/0:XMdFeCXuLKcCVsz6SDLXo8YrL8

Score

10^/10

isrstealer collection spyware stealer upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

b22d76cd4b762ce1ef2948ae99a00a3ff792c5ae7a52126956d59bd3386d361a.exe

Resource

win7-20220901-en

collection spyware stealer upx

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

b22d76cd4b762ce1ef2948ae99a00a3ff792c5ae7a52126956d59bd3386d361a.exe

Resource

win10v2004-20220812-en

collection spyware stealer upx

windows10-2004-x64

8 signatures

150 seconds

Malware Config

Targets

- Target
  
  b22d76cd4b762ce1ef2948ae99a00a3ff792c5ae7a52126956d59bd3386d361a
- Size
  
  400KB
- MD5
  
  a33670d5b331df7787a33c791d49d122
- SHA1
  
  4c4e1db17850e7d5701ffb1d2e88eaa74200b882
- SHA256
  
  b22d76cd4b762ce1ef2948ae99a00a3ff792c5ae7a52126956d59bd3386d361a
- SHA512
  
  cdee0aa366693f66b35e18523aade250a71328178dab6b9343f6da5aeb59533403ea03c45b92189c74e03d7b460c6beff4f8bd652bb8dddaf4da0b684d910b60
- SSDEEP
  
  6144:1Yb//1PxwMdIKCC0ef//uXltKc+LVsz9b8R4jvLXouFYrL/0:XMdFeCXuLKcCVsz6SDLXo8YrL8
Score

9^/10

collection spyware stealer upx
- NirSoft MailPassView
  Password recovery tool for various email clients
- Nirsoft
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- 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
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

collectionspywarestealerupx

behavioral2

collectionspywarestealerupx

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