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Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2024, 06:36

General

  • Target

    13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe

  • Size

    620KB

  • MD5

    0465ec2d24c181b6575a4a8bd1973ec6

  • SHA1

    f86c46166593d69dc0cc04fc3991fef8a8673a41

  • SHA256

    13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4

  • SHA512

    1ecedc50b7bedbda2f252ef243a980b683b07eed64cd98997ee241c446e705c246e57234d6626598a38cf5b9c27a86fe56399c592cdcd64b936cd080d69f9954

  • SSDEEP

    12288:M417/cAhnVxR24T93+suohEX7RGFO3dugtOh0S:M417/ciXRQnoWXEg3dOb

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.chileeclassproject.com:2404

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

    5451

  • mouse_option

    false

  • mutex

    Rmc-1FU53L

  • 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
  • Suspicious use of SetThreadContext 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
    "C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
      "C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\5451\logs.dat

    Filesize

    144B

    MD5

    f1ebc59a3f85656d7e4b90e3b1b86d8b

    SHA1

    f57df48a828bf57631a375f7fb504e458092d162

    SHA256

    8408ac1f424c8a201f37278a24d0315b3310fea75475a16fd2ce66b959e8d24f

    SHA512

    25f12b875cb3d84792abca5059a1635c3043b8797bd7565fc1b9b2ee6028602a64cf4c105770255762ca9bff1b458ed532b89d59a81221c702914babd3d6007a

  • memory/2916-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-3-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2916-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-9-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-7-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-5-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2916-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2984-1-0x0000000001150000-0x00000000011F2000-memory.dmp

    Filesize

    648KB

  • memory/2984-0-0x000000007454E000-0x000000007454F000-memory.dmp

    Filesize

    4KB

  • memory/2984-27-0x0000000074540000-0x0000000074C2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2984-2-0x0000000000C70000-0x0000000000CF6000-memory.dmp

    Filesize

    536KB

  • memory/2984-11-0x0000000074540000-0x0000000074C2E000-memory.dmp

    Filesize

    6.9MB