General

  • Target

    408f6df5140e6b71b4fc5add7ae8d69f89d5aebb184081de8076e7c1972fe55c.exe

  • Size

    996KB

  • Sample

    240409-bqgjzahg54

  • MD5

    0f590a7d7c99e395fa9aaa1159e00fb3

  • SHA1

    58322ce759d00892e146a499456492f19b03ede0

  • SHA256

    408f6df5140e6b71b4fc5add7ae8d69f89d5aebb184081de8076e7c1972fe55c

  • SHA512

    27c402a22a4cc414a53584a55a87e6d314c62f8958ee8ee690020aaa762c1aede794877cdc37806c9f1c3aa6d9dd5e675e10bc9efcf567987f86cf1ede4e1c59

  • SSDEEP

    24576:Ko5SLBTIjiK1MweZsLuI2/OFea6hPj42nqxvS:z5StsR1MwiOFGctxv

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

      408f6df5140e6b71b4fc5add7ae8d69f89d5aebb184081de8076e7c1972fe55c.exe

    • Size

      996KB

    • MD5

      0f590a7d7c99e395fa9aaa1159e00fb3

    • SHA1

      58322ce759d00892e146a499456492f19b03ede0

    • SHA256

      408f6df5140e6b71b4fc5add7ae8d69f89d5aebb184081de8076e7c1972fe55c

    • SHA512

      27c402a22a4cc414a53584a55a87e6d314c62f8958ee8ee690020aaa762c1aede794877cdc37806c9f1c3aa6d9dd5e675e10bc9efcf567987f86cf1ede4e1c59

    • SSDEEP

      24576:Ko5SLBTIjiK1MweZsLuI2/OFea6hPj42nqxvS:z5StsR1MwiOFGctxv

    • 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