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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2024, 03:06

General

  • Target

    dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db.exe

  • Size

    1.3MB

  • MD5

    973306ff45c5b4ee7333db7a5ef7a0f9

  • SHA1

    32c7065633f821f72f2c2af4a572414cdd79ea91

  • SHA256

    dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db

  • SHA512

    2d703af64af2c213de8e92ab0fa77d692f55f15c3e85d4f5aa4eb6fc049b2ab36ef8ac7b25a85c06aef8eb22972e5103fb5533288f9f9cccabbbaadebc892540

  • SSDEEP

    24576:ztb20pkaCqT5TBWgNQ7ato13PtKK5QXpdbt86F+LAisTLZ6A:wVg5tQ7at8FFOpXt+LAiY5

Malware Config

Extracted

Family

remcos

Botnet

WORK

C2

netflixyoutubebrowser.duckdns.org:34043

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-CDDRK8

  • 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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db.exe
    "C:\Users\Admin\AppData\Local\Temp\dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\AppData\Local\penstocks\schoollike.exe
      "C:\Users\Admin\AppData\Local\Temp\dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Allene

    Filesize

    481KB

    MD5

    226f0d51adcb15d946de05b1cd862385

    SHA1

    a5fba80b43f7d4c7b826d74234ec60ada74275d6

    SHA256

    8de96916fd4b14bc3d42a8cb28b1f8759a7f17f512a435d63964cd9ba3dda77d

    SHA512

    9f091913108fbba998d5b1b745c273f4aa09cbc9427119aeb383c87a302ccdb07dbde67f146bd116bc795057c290345cf9f3b590fcf354154af0d4197b132b6e

  • C:\Users\Admin\AppData\Local\penstocks\schoollike.exe

    Filesize

    1.3MB

    MD5

    973306ff45c5b4ee7333db7a5ef7a0f9

    SHA1

    32c7065633f821f72f2c2af4a572414cdd79ea91

    SHA256

    dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db

    SHA512

    2d703af64af2c213de8e92ab0fa77d692f55f15c3e85d4f5aa4eb6fc049b2ab36ef8ac7b25a85c06aef8eb22972e5103fb5533288f9f9cccabbbaadebc892540

  • memory/2828-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-55-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-68-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-82-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-84-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3908-6-0x00000000014D0000-0x00000000018D0000-memory.dmp

    Filesize

    4.0MB

  • memory/4188-18-0x00000000010E0000-0x00000000014E0000-memory.dmp

    Filesize

    4.0MB