Overview

overview

10

Static

static

3

Bank Remit...df.scr

windows7-x64

10

Bank Remit...df.scr

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    nBank_Remittance_pdf.xz

  • Size

    777KB

  • Sample

    241118-hal8vawjfn

  • MD5

    4c2678a752299b8a1741324857e13950

  • SHA1

    85f8b57f5310f9f7fb91a38cb125fd4f8916998c

  • SHA256

    2d5b39db4ba22d4d70666fc5f83c0ba3416aa8551f7d9000edccdd501248e452

  • SHA512

    dc945705f70df4406556ead379377620eed174959bee42e12313a68dd2a6a375c4bb22271412b0a2099f7b17ca5811b6a6942f3ee239af11dd3f80f4ebb2e9c2

  • SSDEEP

    12288:0SaMrOim9GZOm0YpRB/iz1APjMP52l6rYY6WDyYJmjKNNy86IBM7Mgm1tXp1:0SaMrORaO6RB/iz752MYYMc7y88AZXp1

Score
10/10
remcosp2-01discoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

P2-01

C2

87.120.114.20:53279

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-HMKDWQ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Bank Remittance_pdf.scr

    • Size

      792KB

    • MD5

      8405c0ac70f510541b2353303ff7f025

    • SHA1

      56093491a2af6467c1d36799f82d15fb74ed31ac

    • SHA256

      72edf084c9542b902e064b7a933bb7662aa98906b59e3c0d9a76a00da82f898c

    • SHA512

      43db8849515ef91d844e3de71dd03e067b95639142b8d7d5947879c6fcf02a8b93776b3eb91f2f6ea84efcb8417f44152f033b85acbc502bddc657e7699be348

    • SSDEEP

      24576:Pj+0hEcJihWe9Fo5+3JG1ETE8ucQPi/6i:L+0fD+25CJGf8ubi/X

    Score
    10/10
    remcosp2-01discoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      375e8a08471dc6f85f3828488b1147b3

    • SHA1

      1941484ac710fc301a7d31d6f1345e32a21546af

    • SHA256

      4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78

    • SHA512

      5ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8

    • SSDEEP

      192:MPtkumJX7zB22kGwfy0mtVgkCPOs91un:9702k5qpds9Qn

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks