General

  • Target

    26082024_1529_26082024_INQUIRY#46789-AUG24.gz

  • Size

    905KB

  • Sample

    240826-sw8dba1dkh

  • MD5

    65e3ba599ba77c797a4ee9cea93dce1f

  • SHA1

    7772967cdee1a634d0580a0b724df0f14986b1ac

  • SHA256

    8c6bf7d9d90eae709190307238491d5bd875e5a71971b01ec37d1820592f3158

  • SHA512

    a565059589702c35f021e79c20a273dc04f021c58138235dd2aa436d960e1ca92b4d93d81c6b1bf0759b440b215bf2e06704093558c91be669734cd664169da7

  • SSDEEP

    24576:aNL1B46pgGPe5ARwVk3Qyche8NI9nVMQH:2bt25G6uQdbNI9nVD

Malware Config

Extracted

Family

remcos

Botnet

CLIENT

C2

64.188.18.85:4455

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    xlorers.exe

  • copy_folder

    xlorers

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WMLC0E

  • 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

      INQUIRY#46789-AUG24.exe

    • Size

      961KB

    • MD5

      6739731d73cfc53f4ada4d0b5c406a4d

    • SHA1

      1eccbca184fb95f7b04ad40a489ab4e22bf82015

    • SHA256

      201dce891b1e5559e3126c5fb3fd7eb2c417455c2e4e04f6d613e3f7a12f4dba

    • SHA512

      b62bfbe28745c976bc57719e902a89e89739c22dfb675014d4b817e477a9ce135476da04c5c1af87b4b9d2f189f84a3f7c97ed71c638920f6cdc67a0c15f2bcc

    • SSDEEP

      24576:+KP1msLs5bdXuurDNfGwVy9Q4c3eANIlExWyT:dP1mUsBrRO6sQptNISd

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks