Analysis

  • max time kernel
    180s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 22:26

General

  • Target

    COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe

  • Size

    4.2MB

  • MD5

    92d332649b2988f19343cc654634813a

  • SHA1

    35633a70e00bb9ddad433276c0d4c85ecd6e3974

  • SHA256

    1cb11f58b364c6049d87ce1064472d9e0f6c47455e0b42454cfc9d48c24493dd

  • SHA512

    9e59623193253b212af34fa84b69f237d8de84221706ebcab0a6af195c2ec2b7bc4ee4a2f287fdb67e1d51bbbe7ce813cdb1f36d93216ca875b1b5c2081c4e51

  • SSDEEP

    49152:LR28UtN5sFpdJE2dNzk6YUiKYCuOpHoG4HLL0ibq59dXuzLvo4wA83W7JSfaTIF6:3o0A2fDl2hOpHoxrYibq9I

Malware Config

Extracted

Family

remcos

Botnet

DNS

C2

LUNAPETRO.chickenkiller.com:1991

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-QPU8J1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe
    "C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe
      "C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    bcb8a23b5a8a2ef5ee1f4491cce0d658

    SHA1

    930c5e97f56a620827d0a77be82911358911db0c

    SHA256

    9455e0039f2a3ace768ad76a311ecc752762995f5a7c33206560781562f79935

    SHA512

    6b54cda0cf5f8455e455d20aae43ba1493e4b10478576c00677edaff9ba5bfc5a99de99983e36cf20a56621de2b5b0edc630eaa319f31fe51ece3d3c1ba23cee

  • memory/1044-2-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/1044-0-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/1044-3-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/1044-6-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/1044-5-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/1044-8-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/1044-10-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/1044-24-0x000000000046D000-0x0000000000485000-memory.dmp

    Filesize

    96KB

  • memory/1044-1-0x000000000046D000-0x0000000000485000-memory.dmp

    Filesize

    96KB

  • memory/4080-18-0x0000000000400000-0x000000000083F000-memory.dmp

    Filesize

    4.2MB

  • memory/4080-11-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-13-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-17-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-16-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-20-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-19-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-21-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-12-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-7-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-30-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-31-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-38-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-46-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-47-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-54-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-55-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-62-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB

  • memory/4080-63-0x0000000000840000-0x00000000008BF000-memory.dmp

    Filesize

    508KB