Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 05:05

General

  • Target

    a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe

  • Size

    2.2MB

  • MD5

    6c3b88c4675ff6cad62702925a3390f1

  • SHA1

    d7c0fdc2b3b92df96b5bcd7a390aa7312df086a5

  • SHA256

    a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a

  • SHA512

    ee611d1b240a25a02d8ea9ecca3deb943da34dfcb03a38c2e5d8b40a2cea60d4d4446f968b4af6dc6c9f21bd951b3023e16939ebd1fe0a3fd0867f6a0d143e4a

  • SSDEEP

    49152:qB1BRf3rOSzOzrFNj8e1KbWF8K7Vk3SZTH4OWOEkw/R8jDYWg16pb67Wy/Zz:aaRrFCI4v7p

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.198.26.25:96

Attributes
  • audio_folder

    MicRecords

  • 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-IPUJM4

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe
    "C:\Users\Admin\AppData\Local\Temp\a8e25a2520c09dd71e17afbde126f58514921c6d967a786bde096fafda08701a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3028
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
        PID:2228

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2228-39-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-57-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-12-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-10-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-15-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-40-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-16-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-17-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-18-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-19-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-20-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-21-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-22-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-23-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-75-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-74-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-73-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-72-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-71-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-70-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-26-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-27-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-28-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-29-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-30-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-31-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-32-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-33-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-34-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-35-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-36-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-37-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-38-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-69-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-13-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-42-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-43-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-44-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-45-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-46-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-47-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-48-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-49-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-50-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-51-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-52-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-53-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-54-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-55-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-56-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-41-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-58-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-59-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-60-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-61-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-62-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-63-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-64-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-65-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-66-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-67-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2228-68-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3028-4-0x000007FEF5B8E000-0x000007FEF5B8F000-memory.dmp

      Filesize

      4KB

    • memory/3028-25-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

      Filesize

      9.6MB

    • memory/3028-7-0x0000000002D14000-0x0000000002D17000-memory.dmp

      Filesize

      12KB

    • memory/3028-9-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

      Filesize

      9.6MB

    • memory/3028-8-0x0000000002D1B000-0x0000000002D82000-memory.dmp

      Filesize

      412KB

    • memory/3028-6-0x0000000002620000-0x0000000002628000-memory.dmp

      Filesize

      32KB

    • memory/3028-5-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

      Filesize

      2.9MB