Overview

overview

10

Static

static

10

HEUR-Backd...a2.exe

windows7-x64

10

HEUR-Backd...a2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/12/2022, 09:19

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General

  • Target
    HEUR-Backdoor.MSIL.Crysan.gen-107af2412dcf7b10a4fa03ce519d042e5b791d7c2a1a703ab3b47ee1f8aa07a2.exe
  • Size 47KB
  • Sample221228-lannfsda41
  • SHA256 107af2412dcf7b10a4fa03ce519d042e5b791d7c2a1a703ab3b47ee1f8aa07a2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Default

C2

  • 127.0.0.1:8848

  • 127.0.0.1:15021

  • 2.tcp.ngrok.io:8848

  • 2.tcp.ngrok.io:15021

Mutex

  • DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Backdoor.MSIL.Crysan.gen-107af2412dcf7b10a4fa03ce519d042e5b791d7c2a1a703ab3b47ee1f8aa07a2.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Backdoor.MSIL.Crysan.gen-107af2412dcf7b10a4fa03ce519d042e5b791d7c2a1a703ab3b47ee1f8aa07a2.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4700

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4700-132-0x0000000000960000-0x0000000000972000-memory.dmp
        Download

        memory/4700-133-0x00007FFA96AE0000-0x00007FFA975A1000-memory.dmp
        Download

        memory/4700-134-0x00007FFA96AE0000-0x00007FFA975A1000-memory.dmp
        Download