Analysis

  • max time kernel
    173s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 10:07

General

  • Target

    file.exe

  • Size

    363KB

  • MD5

    8fd9d9f8b6259e5e2eb5648b7db40733

  • SHA1

    61ca93864ded26999f7a41db60a5c0737421a8c4

  • SHA256

    8d69095834bac3c4cc270b37c761cc10a1279c659dd8c77b82f86e45274a313a

  • SHA512

    81edf1ab2758b73a185430e845be95d56ed7b9375ea49adbac76dec1306a68f4795ea1d330bc80517a2303f67154f90eeb845847a055863e96927e610b33e746

  • SSDEEP

    6144:grXQlEcjUxw3NrtRI+Z98d2qqU61rZLBteQpnAYxUx9:grXQlxjvp8YqqLt3te4ABx

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Installs

C2

185.81.157.202:5555

Mutex

E786210B-B764-434F-8BB7-DD5EBC016A57

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Async RAT payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4940

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1168-132-0x0000000000800000-0x0000000000862000-memory.dmp
    Filesize

    392KB

  • memory/1168-133-0x00000000051E0000-0x000000000527C000-memory.dmp
    Filesize

    624KB

  • memory/1168-134-0x0000000005280000-0x00000000052F6000-memory.dmp
    Filesize

    472KB

  • memory/1168-135-0x0000000005320000-0x000000000533E000-memory.dmp
    Filesize

    120KB

  • memory/4940-136-0x0000000000000000-mapping.dmp
  • memory/4940-137-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/4940-138-0x00000000061F0000-0x0000000006794000-memory.dmp
    Filesize

    5.6MB

  • memory/4940-139-0x0000000005CB0000-0x0000000005D16000-memory.dmp
    Filesize

    408KB