isrstealer | 135f7ef114afc711cf3af9d8cb7014cf2f9961b3f0d8da9c68a79da4d49c10ae | Triage

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Overview

overview

Static

static

135f7ef114...ae.exe

windows7-x64

135f7ef114...ae.exe

windows10-2004-x64

Sharing

General

Target

135f7ef114afc711cf3af9d8cb7014cf2f9961b3f0d8da9c68a79da4d49c10ae
Size

283KB
Sample

221029-hfaf8seea3
MD5

2ba128fc308441e761ac3e5872e5e0a2
SHA1

8aafa7a13aa0f512fb2dab1764dd952c4b036878
SHA256

135f7ef114afc711cf3af9d8cb7014cf2f9961b3f0d8da9c68a79da4d49c10ae
SHA512

8ec3958e62a6798bc9bb3d8da07e21ebd649a5ebec0358c1d507343735aa57762f343ebe78f8aa75fbb7bfcd6bfda22e96f95f136124f8b008b519413d691b9f
SSDEEP

6144:2VDKtNH8DLIYbeAV6lLsV7TA4JMgPwShfQcEqzhpioa3tM:sutx8DLIYbdGgI6f6qzhpba2

Score

10^/10

isrstealer collection spyware stealer trojan upx

Static task

static1

Behavioral task

behavioral1

Sample

135f7ef114afc711cf3af9d8cb7014cf2f9961b3f0d8da9c68a79da4d49c10ae.exe

Resource

win7-20220812-en

isrstealer spyware stealer trojan upx

windows7-x64

9 signatures

150 seconds

Behavioral task

behavioral2

Sample

135f7ef114afc711cf3af9d8cb7014cf2f9961b3f0d8da9c68a79da4d49c10ae.exe

Resource

win10v2004-20220901-en

isrstealer collection spyware stealer trojan upx

windows10-2004-x64

10 signatures

150 seconds

Malware Config

Targets

- Target
  
  135f7ef114afc711cf3af9d8cb7014cf2f9961b3f0d8da9c68a79da4d49c10ae
- Size
  
  283KB
- MD5
  
  2ba128fc308441e761ac3e5872e5e0a2
- SHA1
  
  8aafa7a13aa0f512fb2dab1764dd952c4b036878
- SHA256
  
  135f7ef114afc711cf3af9d8cb7014cf2f9961b3f0d8da9c68a79da4d49c10ae
- SHA512
  
  8ec3958e62a6798bc9bb3d8da07e21ebd649a5ebec0358c1d507343735aa57762f343ebe78f8aa75fbb7bfcd6bfda22e96f95f136124f8b008b519413d691b9f
- SSDEEP
  
  6144:2VDKtNH8DLIYbeAV6lLsV7TA4JMgPwShfQcEqzhpioa3tM:sutx8DLIYbdGgI6f6qzhpba2
Score

10^/10

isrstealer 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
- 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

isrstealerspywarestealertrojanupx

behavioral2

isrstealercollectionspywarestealertrojanupx

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