Overview

overview

10

Static

static

3

b79ae94c08...93.exe

windows7-x64

10

b79ae94c08...93.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b79ae94c089b3b1b77465c494e42de5032c1d7d40059559d905fe2ea5e450593.exe

  • Size

    372KB

  • Sample

    250217-gxmbpatjas

  • MD5

    f2468b644e4884058e106a27311aa52b

  • SHA1

    d4444414a806d49810512f06fbbd2e5d506e3051

  • SHA256

    b79ae94c089b3b1b77465c494e42de5032c1d7d40059559d905fe2ea5e450593

  • SHA512

    6a66b2ac286ed27f6f623aefd1a8f4fff709ca26b435a730cf82f1bd6b030dae76fbcb9ec37cf0f44cdf21fffc74fa02a1d0f743c7126d4dfada2fa7a11f7bd6

  • SSDEEP

    6144:tQdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiaq:tqqQx+H2i+8LBNbdypazCXYk

Score
10/10
remcostinodiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      b79ae94c089b3b1b77465c494e42de5032c1d7d40059559d905fe2ea5e450593.exe

    • Size

      372KB

    • MD5

      f2468b644e4884058e106a27311aa52b

    • SHA1

      d4444414a806d49810512f06fbbd2e5d506e3051

    • SHA256

      b79ae94c089b3b1b77465c494e42de5032c1d7d40059559d905fe2ea5e450593

    • SHA512

      6a66b2ac286ed27f6f623aefd1a8f4fff709ca26b435a730cf82f1bd6b030dae76fbcb9ec37cf0f44cdf21fffc74fa02a1d0f743c7126d4dfada2fa7a11f7bd6

    • SSDEEP

      6144:tQdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiaq:tqqQx+H2i+8LBNbdypazCXYk

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks