Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2024 18:45

General

  • Target

    f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe

  • Size

    971KB

  • MD5

    e83f4f4d3264f7f94ba49c93a110e0de

  • SHA1

    373d0deb8e94fc157a5815de5bf32d44a38da74f

  • SHA256

    f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7

  • SHA512

    65934c2152fb2caa5099b1f8114c46066bde0af98e23996d58b2015a5120a16a3cf9b766ece96b051785c73a31b2fec6e321a2690aa40796ce711910ad09cedc

  • SSDEEP

    24576:8eXJasfN3LrXZerh5r5R0hpoaxY+G9L4oZV:8cfN3LrQfr5Rupo5CoZV

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yabobo.duckdns.org:6847

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-0VPBW5

  • 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\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
    "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
      "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    33a99aa546db2cc455f8ad0db6fb4c7e

    SHA1

    22bb0c4710ddf366382c2afdc9de43731d05a7e2

    SHA256

    cdf42ddcf33113af120bf315a3e601e427ba34aac6fdceb9424dde587e28f784

    SHA512

    e6a6b48c743ca7eb7b87ea6064c09e586791f0c1cc7c927e299516b0a0f0c970a1dab010026d671fd29b232cb98fc8737a03b6de3b8f24debcb08499bcf3695d

  • memory/332-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-7-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/332-13-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-10-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-9-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-16-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-55-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/332-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3044-1-0x0000000000CD0000-0x0000000000DCA000-memory.dmp

    Filesize

    1000KB

  • memory/3044-2-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-23-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-0-0x000000007403E000-0x000000007403F000-memory.dmp

    Filesize

    4KB

  • memory/3044-6-0x0000000005B80000-0x0000000005C44000-memory.dmp

    Filesize

    784KB

  • memory/3044-5-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-4-0x000000007403E000-0x000000007403F000-memory.dmp

    Filesize

    4KB

  • memory/3044-3-0x0000000000550000-0x000000000056C000-memory.dmp

    Filesize

    112KB