Analysis

  • max time kernel
    177s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 14:23

General

  • Target

    bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

  • Size

    3.7MB

  • MD5

    bc7c2b5cecb62ddda8ab33eaaa7abf65

  • SHA1

    e8ea016e57a0e87b90f8afbce0eee6bc1afd8bfb

  • SHA256

    0e875809afec874bbbdd8395efac33c3e57bd86a66ae4097c87b35656b64804c

  • SHA512

    6a57c650fad469b71f81fa488a555919f7dccfe45b501b0930285a36dc4e705faa710bf6a0c27828ec720494c89baa8d7d95fc6e752f6221f7a32bf1abcfa112

  • SSDEEP

    49152:DC8nc/DY7yJiS/t8Tk6SRdkpvRFpybpxNYPMI3+bEmnT:DCv/lRRd8FpybHaEIy

Malware Config

Extracted

Family

remcos

Botnet

XOAOAMORT

C2

carroosmfjdjs.con-ip.com:1661

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-BTGK97

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
    "C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
      "C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    9eb56240582279345a0789ef9129ebc6

    SHA1

    07521c2a58b7d1c6a0f37a18796f42a679adac42

    SHA256

    16ad903d4dd2dc8cb210be2c3742ae2500a043231c3662126d9322ea0dbfaabe

    SHA512

    7d2aee8c19427dab1305091f0a4ba2acb077a02778f0cd1c358f44bbc2ad33996ff3ae98ba6af90bd57753149834e2f4c31f8ec9da5db9e9986b4af7885f4810

  • memory/1988-21-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/1988-38-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-24-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-16-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-12-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1988-69-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-62-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-61-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-54-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-18-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-53-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-22-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-45-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-70-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-8-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-37-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-27-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-28-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/1988-29-0x00000000001B0000-0x0000000000232000-memory.dmp

    Filesize

    520KB

  • memory/2432-2-0x0000000000507000-0x0000000000520000-memory.dmp

    Filesize

    100KB

  • memory/2432-26-0x0000000000507000-0x0000000000520000-memory.dmp

    Filesize

    100KB

  • memory/2432-1-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-0-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-23-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-5-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-4-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-6-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-7-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-14-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB