Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2025, 10:33

General

  • Target

    2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe

  • Size

    515KB

  • MD5

    48dba8e656fb4b37abc3d911e4996c99

  • SHA1

    3c9b14696e656a48062b650054dbcd47f2ff7638

  • SHA256

    fb9c582f9d6dae1bef336385ed2bedfa354d63b05ab50e60fb7b48889cd3e0ee

  • SHA512

    bf27a885176cd6c0d2e1f6b8360a7ae888403f115110cfc046554b911919a19442f3c4d2c672d42ed65689a9cb7882163f28389a3239bca918cf2913d3997868

  • SSDEEP

    6144:aIlSCa0RPvRz+n8Qr1D0ZGESuHabmvHOE4mCp6qtydBnP+Y4+3sAORZGFX3Xc6+J:a200OFp+G0imvHn3Cp6qyBP+YdsvZGY

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    wsp.exe

  • copy_folder

    WSP

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    wsp-KG6IRP

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 4 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 use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_48dba8e656fb4b37abc3d911e4996c99_amadey_black-basta_cobalt-strike_luca-stealer_remcos.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\ProgramData\WSP\wsp.exe
      "C:\ProgramData\WSP\wsp.exe"
      2⤵
      • Executes dropped EXE
      PID:2692
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\ProgramData\WSP\wsp.exe
      C:\ProgramData\WSP\wsp.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:880
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\ProgramData\WSP\wsp.exe
      C:\ProgramData\WSP\wsp.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2548
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\ProgramData\WSP\wsp.exe
      C:\ProgramData\WSP\wsp.exe
      2⤵
      • Executes dropped EXE
      PID:2196
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\ProgramData\WSP\wsp.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\ProgramData\WSP\wsp.exe
      C:\ProgramData\WSP\wsp.exe
      2⤵
      • Executes dropped EXE
      PID:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\WSP\wsp.exe

    Filesize

    515KB

    MD5

    48dba8e656fb4b37abc3d911e4996c99

    SHA1

    3c9b14696e656a48062b650054dbcd47f2ff7638

    SHA256

    fb9c582f9d6dae1bef336385ed2bedfa354d63b05ab50e60fb7b48889cd3e0ee

    SHA512

    bf27a885176cd6c0d2e1f6b8360a7ae888403f115110cfc046554b911919a19442f3c4d2c672d42ed65689a9cb7882163f28389a3239bca918cf2913d3997868