Overview

overview

10

Static

static

10

b9f9560d66...0f.exe

windows7-x64

10

b9f9560d66...0f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b9f9560d6685fc8b8140b21d45f4a7c0db161fdb9d21f6e8f2761d96e4369d0f.exe

  • Size

    45KB

  • Sample

    241103-sg3jhsxbjb

  • MD5

    b89bac1cc03e354616b2abb93e46b630

  • SHA1

    3a8ebca9f486096312c41095d687ae69f7633000

  • SHA256

    b9f9560d6685fc8b8140b21d45f4a7c0db161fdb9d21f6e8f2761d96e4369d0f

  • SHA512

    2cb5dde9e8b1ac739c44608d65e3857a0271ccd337e1ce015d8a176409d6f98cd114df36e2837741ea4a842bc4e4e6d6456522d4990184e156b27473bf419ffd

  • SSDEEP

    768:lunq5TgoqzqWU8d9rmo2qrgKjPGaG6PIyzjbFgX3iR8ytFE6O51D8F7BDZrx:lunq5TgNR25KTkDy3bCXSOYy621Stdrx

Score
10/10
asyncratremcosdefaultoct 20discoveryexecutionrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

leehoi01.ddns.net:6606

leehoi01.ddns.net:7707

leehoi01.ddns.net:8808

103.186.117.76:6606

103.186.117.76:7707

103.186.117.76:8808
Mutex

38k2Jr0USXF6

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

remcos

Botnet

OCT 20

C2

leehoi01.ddns.net:9373

103.187.117.76:5584

154.216.18.171:5584

154.216.20.223:5584
Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-CC22NB

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      b9f9560d6685fc8b8140b21d45f4a7c0db161fdb9d21f6e8f2761d96e4369d0f.exe

    • Size

      45KB

    • MD5

      b89bac1cc03e354616b2abb93e46b630

    • SHA1

      3a8ebca9f486096312c41095d687ae69f7633000

    • SHA256

      b9f9560d6685fc8b8140b21d45f4a7c0db161fdb9d21f6e8f2761d96e4369d0f

    • SHA512

      2cb5dde9e8b1ac739c44608d65e3857a0271ccd337e1ce015d8a176409d6f98cd114df36e2837741ea4a842bc4e4e6d6456522d4990184e156b27473bf419ffd

    • SSDEEP

      768:lunq5TgoqzqWU8d9rmo2qrgKjPGaG6PIyzjbFgX3iR8ytFE6O51D8F7BDZrx:lunq5TgNR25KTkDy3bCXSOYy621Stdrx

    Score
    10/10
    asyncratremcosdefaultoct 20discoveryexecutionrat

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks