General

  • Target

    fc4fb593fdecc5e6c82c0c98decab2ccd213153078489787712a082c299d20cd.exe

  • Size

    1MB

  • Sample

    231206-v6yb7sbc66

  • MD5

    c200bdcd9c827ad9c878f61a6e80b2ee

  • SHA1

    730d6b83b8af8d7b6740020d0e44466c2192f6ee

  • SHA256

    fc4fb593fdecc5e6c82c0c98decab2ccd213153078489787712a082c299d20cd

  • SHA512

    a5dd81fe25aa643c94f5e098e17fc2ce9a929141ea3a470245986e3e5fb8d9da8c014f6649a70816f8d1338b043a09caea69193f627f8c1bf351becb8d76de43

  • SSDEEP

    24576:KgCKtD/61Idz9KOXdI0YBt68T1U3FMztS5aV3+2rN87:X6Kzj+0YBt68+3FMKaO2h87

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

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-IZFV1M

  • 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

      fc4fb593fdecc5e6c82c0c98decab2ccd213153078489787712a082c299d20cd.exe

    • Size

      1MB

    • MD5

      c200bdcd9c827ad9c878f61a6e80b2ee

    • SHA1

      730d6b83b8af8d7b6740020d0e44466c2192f6ee

    • SHA256

      fc4fb593fdecc5e6c82c0c98decab2ccd213153078489787712a082c299d20cd

    • SHA512

      a5dd81fe25aa643c94f5e098e17fc2ce9a929141ea3a470245986e3e5fb8d9da8c014f6649a70816f8d1338b043a09caea69193f627f8c1bf351becb8d76de43

    • SSDEEP

      24576:KgCKtD/61Idz9KOXdI0YBt68T1U3FMztS5aV3+2rN87:X6Kzj+0YBt68+3FMKaO2h87

    • 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

    • 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 Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks