Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 01:47

General

  • Target

    cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e.exe

  • Size

    969KB

  • MD5

    24781308181f7f22425faaac77451a3d

  • SHA1

    c62bcf469e55bde9c964ce613d6941867304c597

  • SHA256

    cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e

  • SHA512

    887b1e416b9ddcef846dda4b6aef7978b98d96c18f96a0f2e0c6660cc0e40c852396e588ebe908a914d37b010751bbbe42db6d0e64f5d249e6f108080fbed498

  • SSDEEP

    24576:OB/7/pYTVfsv208sSNW4ztXHldRBinBOiGJ:G/7OMbIWmnd2BOiGJ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.42:7118

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-WYBPPO

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e.exe
    "C:\Users\Admin\AppData\Local\Temp\cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Users\Admin\AppData\Local\Temp\cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e.exe
      "C:\Users\Admin\AppData\Local\Temp\cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2068-0-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/2068-1-0x00000000010A0000-0x0000000001196000-memory.dmp

    Filesize

    984KB

  • memory/2068-2-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2068-3-0x0000000000530000-0x0000000000540000-memory.dmp

    Filesize

    64KB

  • memory/2068-4-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/2068-5-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2068-6-0x0000000000540000-0x000000000054E000-memory.dmp

    Filesize

    56KB

  • memory/2068-7-0x0000000005240000-0x00000000052FE000-memory.dmp

    Filesize

    760KB

  • memory/2068-26-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-17-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-10-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-16-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-15-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-8-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2780-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB