Overview

overview

10

Static

static

KHIDMM221613.xlsx

windows7-x64

10

KHIDMM221613.xlsx

windows10-2004-x64

1

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General

  • Target

    KHIDMM221613.xlsx

  • Size

    124KB

  • Sample

    221101-xgbs1sfaeq

  • MD5

    1c33ebd9123fbb1d445a1241d0899fca

  • SHA1

    a4b1a16cadffd00f3a9d349ff9a3a4e598a6f25a

  • SHA256

    04a944a2b7b278081d3bbe43843fb395f30d8bd190154cbdf9b04fcebf8b7ae3

  • SHA512

    dede0f56ccfad169862581a2395f639ddc16447735bf11aadd125bf2878547a5d5c862ecddc9cfcd4944f0065edb8c8b45876b8fc4911d4cebcbbbde4702653b

  • SSDEEP

    3072:1n0u1fkHlAw95+2qXg99hpWH3Cv28psaTbQHVSSz0:90uJkFAFXWbu3CvZc1e

Score
10/10
remcosfresh bangsrat

Malware Config

Extracted

Family

remcos

Botnet

FRESH bangs

C2

aryexpcrt.ddns.net:3216

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-EL21LG

  • 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

      KHIDMM221613.xlsx

    • Size

      124KB

    • MD5

      1c33ebd9123fbb1d445a1241d0899fca

    • SHA1

      a4b1a16cadffd00f3a9d349ff9a3a4e598a6f25a

    • SHA256

      04a944a2b7b278081d3bbe43843fb395f30d8bd190154cbdf9b04fcebf8b7ae3

    • SHA512

      dede0f56ccfad169862581a2395f639ddc16447735bf11aadd125bf2878547a5d5c862ecddc9cfcd4944f0065edb8c8b45876b8fc4911d4cebcbbbde4702653b

    • SSDEEP

      3072:1n0u1fkHlAw95+2qXg99hpWH3Cv28psaTbQHVSSz0:90uJkFAFXWbu3CvZc1e

    Score
    10/10
    remcosfresh bangsrat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks