Overview

overview

10

Static

static

3

b766e6f838...41.exe

windows7-x64

10

b766e6f838...41.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_aefc8dd2e95e88d5553864818b68c0ba5426b6ba0234da56d64cbfee030297a0

  • Size

    1.3MB

  • Sample

    241230-29fpwswmd1

  • MD5

    63983c6ccdc3bbb924d8f589edd07d02

  • SHA1

    4512ef2acaad14e25d83d62bfa52e197bb632c45

  • SHA256

    aefc8dd2e95e88d5553864818b68c0ba5426b6ba0234da56d64cbfee030297a0

  • SHA512

    6ef9c0b069b581af78a0cc9c379ad917ce19c13410a43f5ea973cd30f1c7d138a89625ce77ec36000045da873dfe05fc2ba2ac9def998a9fcd58535c1d00d6b8

  • SSDEEP

    24576:jOXHmVa2t3BCU73TcsiEI2U5xUBvxXkcgBUYRDQxSLaKfy2frmscW+EMy5D5r2t7:jRVz3CEIQKcgBTRDQ4jfB6/W+EX5r2t7

Score
10/10
remcosgrace_2021discoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

3.2.1 Pro

Botnet

Grace_2021

C2

jamaru1444.myftp.biz:2019

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    win32.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-NLZOMN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    win

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      b766e6f83882eeb863ead8d6da23f8725771efc97b974240eaff856f8365c041

    • Size

      1.3MB

    • MD5

      201ae8144aced76058811bcf23070290

    • SHA1

      f0949cd0a1b002d70385e3ee147df20b64a8542e

    • SHA256

      b766e6f83882eeb863ead8d6da23f8725771efc97b974240eaff856f8365c041

    • SHA512

      8dd789fff082f4e872bf4e592ff4fab749d38cad26f543b9399d39125b8019a1f4fc957d8dc297c88fe7dd1b41eea07cadfe7492a04400c15a82a959a0ee7930

    • SSDEEP

      24576:FyiWFOB4sNYg2yWQCsMMKSfVrgEEAhmeKKYwOIscs+mXjr6:pB4zgWQ+MFfVrg8hmxKNPs7pf

    Score
    10/10
    remcosgrace_2021discoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks