Overview

overview

10

Static

static

3

DHL SHIPPI...cr.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    DHL SHIPPING DELIVERY DOCUMENTS AND INVOICE.scr.exe

  • Size

    681KB

  • Sample

    250407-jgfv3ssygv

  • MD5

    1e2741f2f68609ad56a73fcf592e167e

  • SHA1

    481f7d22ba7546db8915991569bf8072f1f2d3e7

  • SHA256

    59d6b1004c591e6f62bb86d29afa064d1dc7605c5c516afc042e59faf584f7d5

  • SHA512

    d17ebaf198e7458f061b606e2bd913f1f71c6e9ddbee4881096a386191fb65197561e2a782ad64cc59c830e4915cab0d28fb7c05719a05ec389e4df46cd80458

  • SSDEEP

    12288:XOQIRQ7v8lpyiaxF6JQiQsoi4inmLiqBHNBmO8J4yW7TPjci1Ghd6BjnhDmCnr9:PEpy/qJQooPDLrHnmQysjcbohDPnJ

Score
10/10
guloaderremcoshost-1credential_accessdiscoverydownloaderpersistenceratstealer

Malware Config

Extracted

Family

remcos

Botnet

Host-1

C2

176.65.144.154:7070

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-CTQRUZ

  • 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

      DHL SHIPPING DELIVERY DOCUMENTS AND INVOICE.scr.exe

    • Size

      681KB

    • MD5

      1e2741f2f68609ad56a73fcf592e167e

    • SHA1

      481f7d22ba7546db8915991569bf8072f1f2d3e7

    • SHA256

      59d6b1004c591e6f62bb86d29afa064d1dc7605c5c516afc042e59faf584f7d5

    • SHA512

      d17ebaf198e7458f061b606e2bd913f1f71c6e9ddbee4881096a386191fb65197561e2a782ad64cc59c830e4915cab0d28fb7c05719a05ec389e4df46cd80458

    • SSDEEP

      12288:XOQIRQ7v8lpyiaxF6JQiQsoi4inmLiqBHNBmO8J4yW7TPjci1Ghd6BjnhDmCnr9:PEpy/qJQooPDLrHnmQysjcbohDPnJ

    Score
    10/10
    guloaderremcoshost-1credential_accessdiscoverydownloaderpersistenceratstealer

    • Guloader family

      guloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      a436db0c473a087eb61ff5c53c34ba27

    • SHA1

      65ea67e424e75f5065132b539c8b2eda88aa0506

    • SHA256

      75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    • SHA512

      908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

    • SSDEEP

      192:aVL7iZJX76BisO7+UZEw+Rl59pV8ghsVJ39dx8T:d7NsOpZsfLMJ39e

    Score
    3/10
    discovery
    behavioral2

MITRE ATT&CK Enterprise v15

Tasks