Overview

overview

10

Static

static

3

c9388e1b59...7b.exe

windows7-x64

7

c9388e1b59...7b.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    c9388e1b5951abc41c9c01323d6b09f2349f0235df638fc57b7e17ef29cc837b

  • Size

    911KB

  • Sample

    241117-vvhglsvcrm

  • MD5

    3b5d920a25e1fed0774e82d6d78761a9

  • SHA1

    20e3369648ca4b1ce801b5ce46c0059ccc7a416c

  • SHA256

    c9388e1b5951abc41c9c01323d6b09f2349f0235df638fc57b7e17ef29cc837b

  • SHA512

    b5016c274e3c72f3f17a11a7970b03f086ea2f8eb4e47138f402c9b670648f449ca164a36475fe819a5067677aee6f8897eacf9e2b5ccd38d422e17e043cbbb0

  • SSDEEP

    24576:7StgJIVvVfkFOWrBGoN9goUIxCZm74qLe:B+PfkFOWrZQqCZm74me

Score
10/10
remcoslonewolfdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

LoneWolf

C2

odumegwu.duckdns.org:51525

odumeje1.duckdns.org:51525

odumeje.duckdns.org:51525
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-3DX9QW

  • 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

      c9388e1b5951abc41c9c01323d6b09f2349f0235df638fc57b7e17ef29cc837b

    • Size

      911KB

    • MD5

      3b5d920a25e1fed0774e82d6d78761a9

    • SHA1

      20e3369648ca4b1ce801b5ce46c0059ccc7a416c

    • SHA256

      c9388e1b5951abc41c9c01323d6b09f2349f0235df638fc57b7e17ef29cc837b

    • SHA512

      b5016c274e3c72f3f17a11a7970b03f086ea2f8eb4e47138f402c9b670648f449ca164a36475fe819a5067677aee6f8897eacf9e2b5ccd38d422e17e043cbbb0

    • SSDEEP

      24576:7StgJIVvVfkFOWrBGoN9goUIxCZm74qLe:B+PfkFOWrZQqCZm74me

    Score
    10/10
    discoveryremcoslonewolfpersistencerat

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      12b140583e3273ee1f65016becea58c4

    • SHA1

      92df24d11797fefd2e1f8d29be9dfd67c56c1ada

    • SHA256

      014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

    • SHA512

      49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

    • SSDEEP

      192:gFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/nC93:E7pJp48F2exrg5F/C

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks