Analysis

  • max time kernel
    176s
  • max time network
    225s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2023, 17:15

General

  • Target

    fb11be4f9b79350a9b1e70ef3e835d0c066f15ea84424bc639e0fc70227d05a3.exe

  • Size

    66KB

  • MD5

    82939ee2605a46e68018d5b075ef8e7a

  • SHA1

    6579b9eb62650df681b9ddc870d1012d23b85b09

  • SHA256

    fb11be4f9b79350a9b1e70ef3e835d0c066f15ea84424bc639e0fc70227d05a3

  • SHA512

    2eb55b7c6a92bae97c2399fc446ad0556e885290f9968d5405187d8c1bd6137db31c30cbfda8360206cb92246d0a50bd35f7585a2cd6d50a526ea40b335055d5

  • SSDEEP

    1536:v2UukvF1tkk/hEYRo2NQphePvUgcKu5UYF5KzUWudRj5sjsjObUu/+tfPQNnr/rR:v2JkvF1tkXKu5UYF5KzhuDj5sjIObUlE

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

C2

mikedonohue.kozow.com:30305

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Detects Redline Stealer samples 1 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Async RAT payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb11be4f9b79350a9b1e70ef3e835d0c066f15ea84424bc639e0fc70227d05a3.exe
    "C:\Users\Admin\AppData\Local\Temp\fb11be4f9b79350a9b1e70ef3e835d0c066f15ea84424bc639e0fc70227d05a3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:736

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/736-133-0x00000000009E0000-0x00000000009F6000-memory.dmp

          Filesize

          88KB

        • memory/736-134-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

          Filesize

          64KB

        • memory/736-135-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

          Filesize

          64KB

        • memory/736-136-0x0000000005E30000-0x00000000063D4000-memory.dmp

          Filesize

          5.6MB

        • memory/736-137-0x0000000005CF0000-0x0000000005D82000-memory.dmp

          Filesize

          584KB

        • memory/736-138-0x0000000005CD0000-0x0000000005CDA000-memory.dmp

          Filesize

          40KB

        • memory/736-139-0x0000000005D90000-0x0000000005E2C000-memory.dmp

          Filesize

          624KB

        • memory/736-140-0x0000000001340000-0x00000000013A6000-memory.dmp

          Filesize

          408KB