isrstealer | 51056e3dfe5ad18403968342a264b440f6f6e10c22d2595a94764aa636d6ee16 | Triage

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Reports

Overview

overview

Static

static

51056e3dfe...16.exe

windows7-x64

51056e3dfe...16.exe

windows10-2004-x64

6

Sharing

General

Target

51056e3dfe5ad18403968342a264b440f6f6e10c22d2595a94764aa636d6ee16
Size

336KB
Sample

221201-jltbzaca5z
MD5

ec298132c73e3a4a55fb3f7b8d070830
SHA1

1b900fb2438b437e1cecab687f279623392a41dd
SHA256

51056e3dfe5ad18403968342a264b440f6f6e10c22d2595a94764aa636d6ee16
SHA512

4741759518e310964bdf6bbd30ded231db2e333fc7299d1f209b7faf8c95a48c98f6cce30e363e6d599c32018c1fd364bd86223eaac7cddc9d24415b37b8ae61
SSDEEP

6144:jiC6ngfT4Pm1wy9hWIWCtV3/rGBP5sgDiZUM5n98506WuK2T:jhfT4GmIbt9KBP5sqS98ZWL2

Score

10^/10

isrstealer collection persistence stealer trojan upx

Static task

static1

Behavioral task

behavioral1

Sample

51056e3dfe5ad18403968342a264b440f6f6e10c22d2595a94764aa636d6ee16.exe

Resource

win7-20220812-en

isrstealer collection persistence stealer trojan upx

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

51056e3dfe5ad18403968342a264b440f6f6e10c22d2595a94764aa636d6ee16.exe

Resource

win10v2004-20221111-en

windows10-2004-x64

3 signatures

150 seconds

Malware Config

Targets

- Target
  
  51056e3dfe5ad18403968342a264b440f6f6e10c22d2595a94764aa636d6ee16
- Size
  
  336KB
- MD5
  
  ec298132c73e3a4a55fb3f7b8d070830
- SHA1
  
  1b900fb2438b437e1cecab687f279623392a41dd
- SHA256
  
  51056e3dfe5ad18403968342a264b440f6f6e10c22d2595a94764aa636d6ee16
- SHA512
  
  4741759518e310964bdf6bbd30ded231db2e333fc7299d1f209b7faf8c95a48c98f6cce30e363e6d599c32018c1fd364bd86223eaac7cddc9d24415b37b8ae61
- SSDEEP
  
  6144:jiC6ngfT4Pm1wy9hWIWCtV3/rGBP5sgDiZUM5n98506WuK2T:jhfT4GmIbt9KBP5sqS98ZWL2
Score

10^/10

isrstealer collection persistence 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
- 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

Discovery

Lateral Movement

Collection

Email Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

isrstealercollectionpersistencestealertrojanupx

behavioral2

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