Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 21:14

General

  • Target

    SCAN_CIBCEBOTT40930537914.scr

  • Size

    977KB

  • MD5

    4d72004e74252cd2e087f9d3e2a79191

  • SHA1

    96d8159353243eb6a812f87f3c188a45bc1400b2

  • SHA256

    44716805558b94c0592b45ba5ad6934d4e372589b587f5ca610846fac27e407d

  • SHA512

    15890c05bf56d4f08ad43b72f8b9009cb87ca236afdb1dfd913d8abaa59a5ccf54fc45f4c6f0baa06bba3f3f5d3f0be62b8a5061df5f5445a0eb8c65dab9a524

  • SSDEEP

    24576:qKs8UfUwnKJTlbP3KVWvoMD9o1U+ioFaE:qWbwnc1KYF50N

Malware Config

Extracted

Family

remcos

Botnet

GMAlL-TARGET

C2

milliondollar23.duckdns.org:3984

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-3XAFQF

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 5 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SCAN_CIBCEBOTT40930537914.scr
    "C:\Users\Admin\AppData\Local\Temp\SCAN_CIBCEBOTT40930537914.scr" /S
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1136
    • 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\SCAN_CIBCEBOTT40930537914.scr"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KJxaEd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4076
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KJxaEd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC062.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5052
    • C:\Users\Admin\AppData\Local\Temp\SCAN_CIBCEBOTT40930537914.scr
      "C:\Users\Admin\AppData\Local\Temp\SCAN_CIBCEBOTT40930537914.scr"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    fb5f5b362b7640484d338db45c8bb936

    SHA1

    e434d623f523208c4ce606d178951fc38763fdf6

    SHA256

    b27b90a74bada3cc71ca8a623c4e9af9001d66761ff9a6a47a60c391cc9be335

    SHA512

    46f6124cd49ebe39ff55aa01fb0b41d1c3f4f4886a64874ba90ab52d1a5d3b64f4e60c52e7ac7843d073173364446dd4f80e309d6989be20312dfc80a74f0297

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bekjm4tv.epc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC062.tmp

    Filesize

    1KB

    MD5

    b6c7905d42be2a4bc376caf0cabc0a05

    SHA1

    29bd6988745a6b80f05f236b07b12dad18f1f0c7

    SHA256

    8d26bbda68541d41d1ac76d22c8e3047af2e20d6e8a5aca9663dfc5a9f5bd193

    SHA512

    698d15e9e38f002df355ef990df8f76cdd2a26c74173e9cead418d2334980c43cd63bbe364eea0f0b4fcd5b0a9a1c1dfc1aad2dcce0df7b7672567de58faf958

  • memory/1136-6-0x0000000005130000-0x0000000005148000-memory.dmp

    Filesize

    96KB

  • memory/1136-4-0x0000000004D10000-0x0000000004D1A000-memory.dmp

    Filesize

    40KB

  • memory/1136-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1136-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

    Filesize

    584KB

  • memory/1136-7-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/1136-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1136-9-0x00000000060E0000-0x00000000061A0000-memory.dmp

    Filesize

    768KB

  • memory/1136-10-0x0000000008870000-0x000000000890C000-memory.dmp

    Filesize

    624KB

  • memory/1136-2-0x00000000052A0000-0x0000000005844000-memory.dmp

    Filesize

    5.6MB

  • memory/1136-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/1136-53-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1136-1-0x0000000000220000-0x000000000031A000-memory.dmp

    Filesize

    1000KB

  • memory/4012-21-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/4012-93-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

    Filesize

    32KB

  • memory/4012-23-0x0000000005C40000-0x0000000005CA6000-memory.dmp

    Filesize

    408KB

  • memory/4012-15-0x0000000004EC0000-0x0000000004EF6000-memory.dmp

    Filesize

    216KB

  • memory/4012-25-0x0000000005E30000-0x0000000006184000-memory.dmp

    Filesize

    3.3MB

  • memory/4012-96-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4012-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4012-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4012-92-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

    Filesize

    104KB

  • memory/4012-88-0x0000000007A00000-0x0000000007A96000-memory.dmp

    Filesize

    600KB

  • memory/4012-85-0x0000000007DC0000-0x000000000843A000-memory.dmp

    Filesize

    6.5MB

  • memory/4012-17-0x0000000005530000-0x0000000005B58000-memory.dmp

    Filesize

    6.2MB

  • memory/4012-62-0x0000000007430000-0x0000000007462000-memory.dmp

    Filesize

    200KB

  • memory/4012-63-0x00000000739D0000-0x0000000073A1C000-memory.dmp

    Filesize

    304KB

  • memory/4012-22-0x0000000005BD0000-0x0000000005C36000-memory.dmp

    Filesize

    408KB

  • memory/4012-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-89-0x0000000007B50000-0x0000000007B61000-memory.dmp

    Filesize

    68KB

  • memory/4076-24-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-97-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-60-0x0000000006620000-0x000000000663E000-memory.dmp

    Filesize

    120KB

  • memory/4076-61-0x00000000066B0000-0x00000000066FC000-memory.dmp

    Filesize

    304KB

  • memory/4076-26-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-64-0x00000000739D0000-0x0000000073A1C000-memory.dmp

    Filesize

    304KB

  • memory/4076-27-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-82-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

    Filesize

    120KB

  • memory/4076-84-0x0000000007820000-0x00000000078C3000-memory.dmp

    Filesize

    652KB

  • memory/4076-91-0x0000000007B90000-0x0000000007BA4000-memory.dmp

    Filesize

    80KB

  • memory/4076-86-0x0000000007950000-0x000000000796A000-memory.dmp

    Filesize

    104KB

  • memory/4076-87-0x00000000079C0000-0x00000000079CA000-memory.dmp

    Filesize

    40KB

  • memory/4076-90-0x0000000007B80000-0x0000000007B8E000-memory.dmp

    Filesize

    56KB

  • memory/4968-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-101-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-47-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-51-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-56-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-54-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-57-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-48-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-102-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-55-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-110-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-117-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-124-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4968-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB