General

  • Target

    a2e1c896a7f478ad9613c5d267783ca4213a9d4b2167292bdd41e2e9e15e1ab4.xz

  • Size

    602KB

  • Sample

    250218-dlvxxawpfl

  • MD5

    f4ce73c6f6aab51f26a69da2d1bfff7b

  • SHA1

    e64798b2045a9dde4e31173d68d133ba771c2588

  • SHA256

    a2e1c896a7f478ad9613c5d267783ca4213a9d4b2167292bdd41e2e9e15e1ab4

  • SHA512

    90f7a5c000ea3e605bee1a8a081019ba710747c5f8f2db0e236db272ff56781eeffe5580caa72868ac17ca09ddd689bbde0b305f9d4fd149bfd0a289847a9136

  • SSDEEP

    12288:/Lc4Cb3XhsnpcHHqSeVevIjXpPqUHmLTuU6l3SbN5DyhtCssNcw76jG/:gJ3XgcHHqNIkXVq3LCU6Yp5DqgZNcVjo

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

216.250.252.33:60309

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-TJ7QLN

  • 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

      000_Scanned with Xerox Multifunction Printer.exe

    • Size

      732KB

    • MD5

      003a9a042df090f1501ac0c0c4fc0285

    • SHA1

      0209a7f124455a7d5ea4c128b774a3fc3212917d

    • SHA256

      a39ac5a508c71f482ed03ccaaf8bb799f73672fa49895f940f45051d3f5b838d

    • SHA512

      ba9a498692712ff48299da767aea61611bb72cddc372e35cbc309b9b7ffc0a5ce9eb451058c2a9ab610c5d2b74f879c025807734e2a873959212329dfa5fa4af

    • SSDEEP

      12288:fJIbMYmuXv4CgC5Lbdje79l3/LBynrcPmMe9mukxD:fJYmuXv4hILZul3/Fkcbe9md

    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Remcos

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

    • Remcos family

    • 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

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      a436db0c473a087eb61ff5c53c34ba27

    • SHA1

      65ea67e424e75f5065132b539c8b2eda88aa0506

    • SHA256

      75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    • SHA512

      908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

    • SSDEEP

      192:aVL7iZJX76BisO7+UZEw+Rl59pV8ghsVJ39dx8T:d7NsOpZsfLMJ39e

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks