Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2024 19:13

General

  • Target

    441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe

  • Size

    1.2MB

  • MD5

    ee8224a93805df14b1b6c3c5d755922e

  • SHA1

    d7ede64acd16efae6aa8e7364c842e513c7527d4

  • SHA256

    441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765

  • SHA512

    54b034a861704c83d675228f3f558324317cb49af6c19b7e8b47baa8eca23cb84c1a8a9481c5de6c725d3da4b9220b60e140c45b9e3f5508f8c2ca388cb6a1a1

  • SSDEEP

    24576:+xtcKivRdWnSyESyfE75BP/+mgWdm/bTSDLKWB7G:+0KmXWSyXr2mgxvSPc

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.149.241.4:74

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-OFCAG3

  • 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe
    "C:\Users\Admin\AppData\Local\Temp\441c8c7f773f47470a0e347edcc17ef3f048489093772b1f15bb41d22a11e765.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
        PID:2564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2432-18-0x00000000741C0000-0x00000000748AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2432-1-0x0000000000C80000-0x0000000000DC0000-memory.dmp

      Filesize

      1.2MB

    • memory/2432-2-0x00000000002E0000-0x0000000000324000-memory.dmp

      Filesize

      272KB

    • memory/2432-3-0x00000000741C0000-0x00000000748AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2432-4-0x00000000741CE000-0x00000000741CF000-memory.dmp

      Filesize

      4KB

    • memory/2432-5-0x00000000741C0000-0x00000000748AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2432-6-0x0000000000710000-0x000000000072A000-memory.dmp

      Filesize

      104KB

    • memory/2432-7-0x0000000000400000-0x0000000000406000-memory.dmp

      Filesize

      24KB

    • memory/2432-8-0x00000000741C0000-0x00000000748AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2432-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

      Filesize

      4KB

    • memory/2432-22-0x00000000741C0000-0x00000000748AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2564-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-43-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-14-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-15-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2564-12-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-19-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-11-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-21-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-24-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-23-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-26-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-28-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-32-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-34-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-35-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-36-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-10-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-39-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-13-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-47-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-50-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-51-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-52-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-53-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-54-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-55-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-56-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-57-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-58-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-59-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-60-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-61-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-62-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-63-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-64-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-65-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-66-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-67-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-68-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-69-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-70-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2564-71-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB