Overview

overview

10

Static

static

5

Set_up.exe

windows10-2004-x64

10

Set_up.exe

windows10-ltsc_2021-x64

10

Set_up.exe

windows11-21h2-x64

10

Set_up.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    SETUP.zip
  • Size 23.6MB
  • Sample260904-s42whavarg
  • SHA256 ea63dec0ee955b1f7fab073023b18d87c6b783784e9a5d994434f1b91c5eb80e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
acrstealerdiscoverystealer

Malware Config

Extracted

Family

  • acrstealer

Version

  • 4.3.8-alpha2

C2

  • sync.canyonmere.cc

Decoy

  • cdnjs.cloudflare.com

Attributes
  • ddrs

    https://telegra.ph/C-Introduction-08-21

  • guids

    01a034f4-51c1-7e0e-a650-137d7032a680

    f1575b64-8492-4e8b-b102-4d26e8c70371

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.2.6187.130 Safari/537.36

xor.hex

Targets

    • Target
      Set_up.exe
    • Size 100KB
    • SHA256 5bb762e7fd0786dd8534bcba72240893caf0a4344dd1f8e38569ca9fbe0aa545
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryacrstealerstealer

    • Detects ACRStealer V4.x

    • Family: ACR stealer,GrMsk

      ACR stealer (aka GrMsk stealer) is an infostealer written in C++.

      stealeracrstealer

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks