General

  • Target

    69dd751153f6ae4f2c008b12bcbf20b1328be9e0bda45f08eb8f32a837f34ba5.exe

  • Size

    483KB

  • Sample

    240523-b1at6sha86

  • MD5

    e47f6f1f5e743fdbf9d6579b96748a2b

  • SHA1

    21dbce7b186f72c69647fce6aa0b5cf403aa87c4

  • SHA256

    69dd751153f6ae4f2c008b12bcbf20b1328be9e0bda45f08eb8f32a837f34ba5

  • SHA512

    8b05fe66ecf1afa07a25de63f3e0aef8a68d69c3faf7e6f25539ab87878e99f06b06f7456124e3252a7bf476082ec74a9373ddccb590541c43a7943eebacd827

  • SSDEEP

    6144:aXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNc5Gv:aX7tPMK8ctGe4Dzl4h2QnuPs/ZDJcv

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Microsoft .exe

  • copy_folder

    Microsoft

  • 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

    Microsoft -QUCX7D

  • 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

      69dd751153f6ae4f2c008b12bcbf20b1328be9e0bda45f08eb8f32a837f34ba5.exe

    • Size

      483KB

    • MD5

      e47f6f1f5e743fdbf9d6579b96748a2b

    • SHA1

      21dbce7b186f72c69647fce6aa0b5cf403aa87c4

    • SHA256

      69dd751153f6ae4f2c008b12bcbf20b1328be9e0bda45f08eb8f32a837f34ba5

    • SHA512

      8b05fe66ecf1afa07a25de63f3e0aef8a68d69c3faf7e6f25539ab87878e99f06b06f7456124e3252a7bf476082ec74a9373ddccb590541c43a7943eebacd827

    • SSDEEP

      6144:aXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNc5Gv:aX7tPMK8ctGe4Dzl4h2QnuPs/ZDJcv

    • 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 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

    • 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