isrstealer | abc85701a272392c419cad7b04d5167cc40948f629967a4d782e5d265249b5ea | Triage

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Overview

overview

Static

static

abc85701a2...ea.exe

windows7-x64

abc85701a2...ea.exe

windows10-2004-x64

Sharing

General

Target

abc85701a272392c419cad7b04d5167cc40948f629967a4d782e5d265249b5ea
Size

340KB
Sample

221119-hm96fahd96
MD5

44a449ffdc8c450730e9d097425474a0
SHA1

fd67e32c19695accdd2be5c240b29db921d5b942
SHA256

abc85701a272392c419cad7b04d5167cc40948f629967a4d782e5d265249b5ea
SHA512

38170832b6c13147d221643cbaf0049b12fbbca96b65eb1816df404d5c92ec4efee8e12ed934890ac6f2e3e03fc2b1bfc7d810f4837172772991b85ef80aca3d
SSDEEP

6144:I5YEFGknycyAwrjpdgRCc32rmSz5bb0PEwI7QRKuE0Y1Cv:I5dRnyNPjpda72rm+/08SRKH0d

Score

10^/10

isrstealer collection stealer trojan upx

Static task

static1

Behavioral task

behavioral1

Sample

abc85701a272392c419cad7b04d5167cc40948f629967a4d782e5d265249b5ea.exe

Resource

win7-20221111-en

isrstealer collection stealer trojan upx

windows7-x64

12 signatures

150 seconds

Behavioral task

behavioral2

Sample

abc85701a272392c419cad7b04d5167cc40948f629967a4d782e5d265249b5ea.exe

Resource

win10v2004-20221111-en

isrstealer collection stealer trojan upx

windows10-2004-x64

11 signatures

150 seconds

Malware Config

Targets

- Target
  
  abc85701a272392c419cad7b04d5167cc40948f629967a4d782e5d265249b5ea
- Size
  
  340KB
- MD5
  
  44a449ffdc8c450730e9d097425474a0
- SHA1
  
  fd67e32c19695accdd2be5c240b29db921d5b942
- SHA256
  
  abc85701a272392c419cad7b04d5167cc40948f629967a4d782e5d265249b5ea
- SHA512
  
  38170832b6c13147d221643cbaf0049b12fbbca96b65eb1816df404d5c92ec4efee8e12ed934890ac6f2e3e03fc2b1bfc7d810f4837172772991b85ef80aca3d
- SSDEEP
  
  6144:I5YEFGknycyAwrjpdgRCc32rmSz5bb0PEwI7QRKuE0Y1Cv:I5dRnyNPjpda72rm+/08SRKH0d
Score

10^/10

isrstealer collection 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
- Drops startup file
- Loads dropped DLL
- 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

Discovery

System Information Discovery

Lateral Movement

Collection

Email Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

isrstealercollectionstealertrojanupx

behavioral2

isrstealercollectionstealertrojanupx

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