Overview

overview

10

Static

static

10

tmpkwlfqzbm.exe

windows10-ltsc_2021-x64

10

tmpkwlfqzbm.exe

windows10-2004-x64

10

tmpkwlfqzbm.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    tmpkwlfqzbm
  • Size 130KB
  • Sample260602-k4weqaaz2j
  • SHA256 b6badd77d0d32c295b8b9f66afef0437e4a6fdc9db5d8dff50a858b068f1d025
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
ratdefaultasyncrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Default

C2

  • ok99.jp.net:8848

  • ok99.jp.net:8080

  • ok99.jp.net:443

  • ok99.jp.net:80

  • app.ok99.jp.net:8848

  • app.ok99.jp.net:8080

  • app.ok99.jp.net:443

  • app.ok99.jp.net:80

  • www.ok99.jp.net:8848

  • www.ok99.jp.net:8080

  • www.ok99.jp.net:443

  • www.ok99.jp.net:80

Mutex

  • DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    chrome.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • tmpkwlfqzbm
    .exe 130KB

tmpkwlfqzbm

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 b6badd77d0d32c295b8b9f66afef0437e4a6fdc9db5d8dff50a858b068f1d025
  • MD5 SHA1 SHA512 SSDEEP TLSH
windows:4windowsx86arch:x86

  • Async RAT payload

    rat

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
68062
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
PDB paths