Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 12:39

General

  • Target

    ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe

  • Size

    926KB

  • MD5

    5d8e15f3fdbd7a70346b8094dda2eb58

  • SHA1

    a5f71868526c7cecfef7ee34ad095b7ae7e381ab

  • SHA256

    ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40

  • SHA512

    fc97903e551219f63af9c874ecad2a4af6ec8855fb54cbbb5b0926d9a80ca9599d7e51e4d0580cb071397135f0b8b9e005e724c00106a16c3e2ef67d8074b433

  • SSDEEP

    24576:hjj0ytqrALi4J+O/kzhS3tZcD+u2woeKEl:xwytqrci44O/kVizg+ub9l

Malware Config

Extracted

Family

remcos

Botnet

3456789

C2

172.93.220.148:45682

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

    765-8M14I5

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe
    "C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\snlrFEGONNdR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\snlrFEGONNdR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8768.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2804
    • C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe
      "C:\Users\Admin\AppData\Local\Temp\ee4a689891705260239affa76e606afe4bb0e3100770f0f57a27b6367b0bbb40.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8768.tmp

    Filesize

    1KB

    MD5

    81fd683a0f84b7e2d214ad4be16c06b0

    SHA1

    504e1419bc35874ff4b2f23b4b77d116f083365f

    SHA256

    a08cebf5d75a8091571363fd90b61eb17a3fca91c0d4be09b73cd424c93b5bc3

    SHA512

    ce16d75e8c4cafa9c79cbe21adebbcc49f540ed988c9db5564eea4850eb800ef7cfb9c4665241e9f3fde558235562f67cbcec8e4284fcf586bbdb5289f24ae3e

  • memory/2132-33-0x0000000074210000-0x00000000748FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2132-1-0x0000000000AF0000-0x0000000000BDE000-memory.dmp

    Filesize

    952KB

  • memory/2132-2-0x0000000074210000-0x00000000748FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2132-3-0x00000000003A0000-0x00000000003B8000-memory.dmp

    Filesize

    96KB

  • memory/2132-4-0x000000007421E000-0x000000007421F000-memory.dmp

    Filesize

    4KB

  • memory/2132-5-0x0000000074210000-0x00000000748FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2132-6-0x0000000004FF0000-0x00000000050AE000-memory.dmp

    Filesize

    760KB

  • memory/2132-0-0x000000007421E000-0x000000007421F000-memory.dmp

    Filesize

    4KB

  • memory/2696-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2696-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-17-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB