General

  • Target

    0941a59548b4f95082dfa17f85c6557c_JaffaCakes118

  • Size

    1.3MB

  • Sample

    241002-gx9f8avdjf

  • MD5

    0941a59548b4f95082dfa17f85c6557c

  • SHA1

    d6edc9316356ee3748e3de70d3d59dcb95b34de2

  • SHA256

    b2beeab94f7cbc38143e2a050c263476419bb48d2ec37470df5b1ee0da812f50

  • SHA512

    f2d06f72fbb8dc090b019d012bfe6759a194f7eeb0620f8e0082566f05d206856ec0459a2ac520a11b74d5d4cc87105128d0f86f5583180bdc3f53ec55436450

  • SSDEEP

    24576:Sr4IPzH6WoE6+a0m+saUGENr8tG5BuPKboy9Ig:S0wLtoJ+sa7ENwEJ0y97

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

RemoteHost

C2

45.137.22.101:5888

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-3RVIAE

  • 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

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      0941a59548b4f95082dfa17f85c6557c_JaffaCakes118

    • Size

      1.3MB

    • MD5

      0941a59548b4f95082dfa17f85c6557c

    • SHA1

      d6edc9316356ee3748e3de70d3d59dcb95b34de2

    • SHA256

      b2beeab94f7cbc38143e2a050c263476419bb48d2ec37470df5b1ee0da812f50

    • SHA512

      f2d06f72fbb8dc090b019d012bfe6759a194f7eeb0620f8e0082566f05d206856ec0459a2ac520a11b74d5d4cc87105128d0f86f5583180bdc3f53ec55436450

    • SSDEEP

      24576:Sr4IPzH6WoE6+a0m+saUGENr8tG5BuPKboy9Ig:S0wLtoJ+sa7ENwEJ0y97

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Remcos

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks