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Analysis

  • max time kernel
    129s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 01:27

General

  • Target

    64f373211953aa5e294e9d7dee8dee07866ceb7fa944f8c5845792489433afb6.exe

  • Size

    61KB

  • MD5

    86cab8d49fd38362415c87b644d4ddab

  • SHA1

    f08be955c6fa6b3a1f36693233214f3d63b63cfb

  • SHA256

    64f373211953aa5e294e9d7dee8dee07866ceb7fa944f8c5845792489433afb6

  • SHA512

    1774a3eddf1f6727033bfafdb99e26ba2c34aa4b1ff8325788035504c8f7e820c86fbe37123e3d38158f6d2657094d68b3f1c0dc5c9833ab1162a6392c60ac57

  • SSDEEP

    1536:z+OAXoaIibUaSTt1oib85QgI55xnBoTKqq3Wfx:z+OAXoaIibit1oib8y55xMKF36x

Malware Config

Extracted

Family

asyncrat

Version

AsyncRAT

Botnet

RbxFps

C2

eve.now-dns.net:313

Mutex

AsyncMutex_raw

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#.

  • 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\64f373211953aa5e294e9d7dee8dee07866ceb7fa944f8c5845792489433afb6.exe
    "C:\Users\Admin\AppData\Local\Temp\64f373211953aa5e294e9d7dee8dee07866ceb7fa944f8c5845792489433afb6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1528-0-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/1528-1-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB

  • memory/1528-2-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-3-0x0000000005620000-0x0000000005BC4000-memory.dmp

    Filesize

    5.6MB

  • memory/1528-4-0x0000000005250000-0x00000000052E2000-memory.dmp

    Filesize

    584KB

  • memory/1528-5-0x00000000053E0000-0x00000000053EA000-memory.dmp

    Filesize

    40KB

  • memory/1528-8-0x0000000006320000-0x00000000063BC000-memory.dmp

    Filesize

    624KB

  • memory/1528-9-0x0000000005F40000-0x0000000005FA6000-memory.dmp

    Filesize

    408KB

  • memory/1528-10-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/1528-11-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB