General

  • Target

    Consignment Deatails BL and INV20220310.js

  • Size

    1KB

  • Sample

    221003-jtvj1afehp

  • MD5

    1e5e1fad2b73dc88965c3edf8adbbbee

  • SHA1

    e2ba062cfe5e48b1828b0cbcb868ac95079ed5e4

  • SHA256

    f300f3c9ee1d722fa3460dfef58fae49568bfb14f7576d7c4ecf27a34408d0f7

  • SHA512

    2145b0ce036a57612dcd7cae3befbcae5f3f4ee02b15e7c6fb2988cc427268b37f825a908878a2366cad3d527f85a3b8ba776b080708d7ae596b58991195f426

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

79.134.225.36:3400

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-DEEVUN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Consignment Deatails BL and INV20220310.js

    • Size

      1KB

    • MD5

      1e5e1fad2b73dc88965c3edf8adbbbee

    • SHA1

      e2ba062cfe5e48b1828b0cbcb868ac95079ed5e4

    • SHA256

      f300f3c9ee1d722fa3460dfef58fae49568bfb14f7576d7c4ecf27a34408d0f7

    • SHA512

      2145b0ce036a57612dcd7cae3befbcae5f3f4ee02b15e7c6fb2988cc427268b37f825a908878a2366cad3d527f85a3b8ba776b080708d7ae596b58991195f426

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks