Overview

overview

10

Static

static

3

DEMANDA LA...65.exe

windows7-x64

10

DEMANDA LA...65.exe

windows10-2004-x64

10

DEMANDA LA...MM.dll

windows7-x64

10

DEMANDA LA...MM.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 21:23

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General

  • Target

    DEMANDA LABORAL POR ABUSO DE CONFIANZA 01/01 DEMANDA LABORAL POR ABUSO DE CONFIANZA 165165.exe

  • Size

    2.3MB

  • MD5

    5013571e104d9dd42ca2d94e81e430f8

  • SHA1

    0e0e2b2f1688b77ebea638aa2e12f6462722fcb0

  • SHA256

    9783cdd475c54ec21a035b5035c80329fa14be830c71c7c133de06ed98ad86d8

  • SHA512

    c2a4fbb1231cb15fbe3a733c5477d7d0e95ae15cf9a5c7d53eeb452d6b5212a24754d596b90715cead5ae825c989afcacf14c33c1fd363a95cb86a0bc65f932e

  • SSDEEP

    24576:oKkVrHgHx4mYlt+e5N2lWByqwSFg9NJo7thp9clBb2:Huri4LltP5NSn9NJIclBC

Score
10/10
remcosgusdiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

GUS

C2

mastergusta.kozow.com:5151

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-6Q2P7E

  • 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.

    ratremcos
  • Remcos family
    remcos
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 2 IoCs

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

    discovery
  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\DEMANDA LABORAL POR ABUSO DE CONFIANZA 01\01 DEMANDA LABORAL POR ABUSO DE CONFIANZA 165165.exe
    "C:\Users\Admin\AppData\Local\Temp\DEMANDA LABORAL POR ABUSO DE CONFIANZA 01\01 DEMANDA LABORAL POR ABUSO DE CONFIANZA 165165.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "8M2nd3VkhBIAnPBDO" /tr "C:\Users\Admin\AppData\Roaming\01 DEMANDA LABORAL POR ABUSO DE CONFIANZA 165165.exe" /sc onlogon /rl highest /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3108
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "8M2nd3VkhBIAnPBDO" /tr "C:\Users\Admin\AppData\Roaming\01 DEMANDA LABORAL POR ABUSO DE CONFIANZA 165165.exe" /sc onlogon /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2800
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\igqzzozsnjrkzeqbyuhzyxqiptbensosav.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\igqzzozsnjrkzeqbyuhzyxqiptbensosav.vbs
    Filesize

    500B

    MD5

    f1da013fa58295ac94372331e618f047

    SHA1

    b52f602bca7d2b9a04a55be4a1a4de857c98cbdb

    SHA256

    01df7d7ec8acb49f038a93cf1aeb9a79ddda138fa38992f477e6448689c09cd9

    SHA512

    fc1cfb5f09b5d96958d9387f582629e6691e996890ea345466fc47e214be074c9c625f3fb7f4e86d7e5b9864edcfe0d40031e6a0d6c496c5427d21bcffba26a8

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    481KB

    MD5

    1b092f1dca5c6155e160c454446926cf

    SHA1

    e27464092f4ae4b9116fcccd00e43eb631719e85

    SHA256

    47d0885bbcbb363ded1b6cf13099e201e53e2cd8ab877692ff2df93c3a320b96

    SHA512

    272b0db029f8aac92695491254307db0bb3d1f950496d3ee968a9e177b04d151c8acb95be8b942ead6624935a46091c948ce04592fe6b12dfe12fd4104d25682

    Download Submit

  • memory/1852-0-0x0000000000400000-0x0000000000849000-memory.dmp

    Filesize

    4.3MB

    Download

  • memory/1852-18-0x000000006D080000-0x000000006D595000-memory.dmp

    Filesize

    5.1MB

    Download