General

  • Target

    1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6.r00

  • Size

    858KB

  • Sample

    240407-bfbwqsge41

  • MD5

    67f50dc76d4e3b55f56abf028935a2e3

  • SHA1

    5cdff2aee89533081a4e12b0d581f9312bf64eac

  • SHA256

    1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6

  • SHA512

    256abf635cfe052784f94f5dda6179a83346a8de8909b6d6602d0cf04a6c5d01f867bdde4217360b5c46cc474f64c9c311523ae5ae77349ab7aa8c09908bc293

  • SSDEEP

    24576:NLYFoLoNPCnuokqTmtkP5WGYsZ4wnloSC:NkuoR0kqTikPzdFloD

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

paygateme.net:2286

Attributes
  • audio_folder

    MicRecords

  • 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-WTDTSU

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe

    • Size

      894KB

    • MD5

      9af50ddc8887f5389642c602ab333581

    • SHA1

      20d348837ef05b6ed0eccd3300fce74c8038c599

    • SHA256

      b1f7d2a6fee6eb162c9e154b565ee6fe95c6e03fa15bef35d8c14663b844087c

    • SHA512

      fc903cf2c987c30fac85421416ecdd5f57b773b33c62cc5acdabbd10fd01160dbc02ce86a4064776b0a2cd36e782da44931c4ac3d4ef3f6620af2d516f5f9d50

    • SSDEEP

      24576:bHYmq2tNBlF1qaf1etRc/dZeBrHO3ein9mUO:DYUtNBlP1etRcVZeBrupo/

    • Remcos

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

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • Detects executables packed with SmartAssembly

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks