Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 19:40

General

  • Target

    file.exe

  • Size

    1.0MB

  • MD5

    065a6053492ecc989755413d4b9cffea

  • SHA1

    9955cde6556837bc877e596c5b206df39d060a00

  • SHA256

    be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df

  • SHA512

    1185623940e192747b0c794c3e63c56ad6f941dca6cccf5db2cbf57ccf3cca6b3ba49aa9922dfde87c82b69920c48222c249b70e13915e542dfb6e11072c9588

  • SSDEEP

    24576:60u2uOCjadxmISCQDJ8wovaxTFfJDe4Pu2:6euCfLQ5xTFd5

Malware Config

Extracted

Family

remcos

Botnet

elvis

C2

107.173.4.16:2560

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-T6WK9E

  • 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
  • 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.

  • 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 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DcBNSgyxoJFip.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DcBNSgyxoJFip" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD060.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:4468

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2p2cungd.4xv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD060.tmp

      Filesize

      1KB

      MD5

      85ed6311fa1858321d306a9caa4d7f5d

      SHA1

      b40fbe695a6e23275629f6f32f704354b4ac6696

      SHA256

      143bca434c7078ea6557c9c3988b97962ea5a13256cec3564fbf72faec37c60b

      SHA512

      3837b0e37c2a62934cf9b92cc6c672b47a4e32c66b818a7a10fa718e865d31f90176fcc62080770943b7352104c48f8d909846991c929fb65118d299a0209eb4

    • memory/2700-20-0x0000000005950000-0x00000000059B6000-memory.dmp

      Filesize

      408KB

    • memory/2700-60-0x00000000074E0000-0x00000000074EA000-memory.dmp

      Filesize

      40KB

    • memory/2700-61-0x00000000076F0000-0x0000000007786000-memory.dmp

      Filesize

      600KB

    • memory/2700-70-0x0000000074420000-0x0000000074BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2700-59-0x0000000007470000-0x000000000748A000-memory.dmp

      Filesize

      104KB

    • memory/2700-58-0x0000000007AB0000-0x000000000812A000-memory.dmp

      Filesize

      6.5MB

    • memory/2700-64-0x00000000076A0000-0x00000000076AE000-memory.dmp

      Filesize

      56KB

    • memory/2700-56-0x0000000007330000-0x00000000073D3000-memory.dmp

      Filesize

      652KB

    • memory/2700-55-0x0000000006680000-0x000000000669E000-memory.dmp

      Filesize

      120KB

    • memory/2700-16-0x0000000074420000-0x0000000074BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2700-17-0x0000000005230000-0x0000000005858000-memory.dmp

      Filesize

      6.2MB

    • memory/2700-15-0x00000000027B0000-0x00000000027E6000-memory.dmp

      Filesize

      216KB

    • memory/2700-45-0x0000000074CB0000-0x0000000074CFC000-memory.dmp

      Filesize

      304KB

    • memory/2700-19-0x0000000005100000-0x0000000005122000-memory.dmp

      Filesize

      136KB

    • memory/2700-22-0x0000000074420000-0x0000000074BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2700-23-0x0000000074420000-0x0000000074BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2700-21-0x0000000005A70000-0x0000000005AD6000-memory.dmp

      Filesize

      408KB

    • memory/2700-30-0x0000000005AE0000-0x0000000005E34000-memory.dmp

      Filesize

      3.3MB

    • memory/2700-44-0x00000000066A0000-0x00000000066D2000-memory.dmp

      Filesize

      200KB

    • memory/2700-43-0x0000000006140000-0x000000000618C000-memory.dmp

      Filesize

      304KB

    • memory/2700-42-0x00000000060B0000-0x00000000060CE000-memory.dmp

      Filesize

      120KB

    • memory/2700-67-0x0000000007790000-0x0000000007798000-memory.dmp

      Filesize

      32KB

    • memory/2700-66-0x00000000077B0000-0x00000000077CA000-memory.dmp

      Filesize

      104KB

    • memory/2700-65-0x00000000076B0000-0x00000000076C4000-memory.dmp

      Filesize

      80KB

    • memory/2700-62-0x0000000007670000-0x0000000007681000-memory.dmp

      Filesize

      68KB

    • memory/3032-1-0x0000000000CC0000-0x0000000000DCC000-memory.dmp

      Filesize

      1.0MB

    • memory/3032-41-0x0000000074420000-0x0000000074BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3032-3-0x00000000057A0000-0x0000000005832000-memory.dmp

      Filesize

      584KB

    • memory/3032-5-0x0000000074420000-0x0000000074BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3032-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

      Filesize

      5.6MB

    • memory/3032-10-0x000000000AA60000-0x000000000AB24000-memory.dmp

      Filesize

      784KB

    • memory/3032-9-0x0000000074420000-0x0000000074BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3032-8-0x000000007442E000-0x000000007442F000-memory.dmp

      Filesize

      4KB

    • memory/3032-7-0x0000000005C90000-0x0000000005CB6000-memory.dmp

      Filesize

      152KB

    • memory/3032-6-0x0000000005A20000-0x0000000005ABC000-memory.dmp

      Filesize

      624KB

    • memory/3032-0-0x000000007442E000-0x000000007442F000-memory.dmp

      Filesize

      4KB

    • memory/3032-4-0x0000000005970000-0x000000000597A000-memory.dmp

      Filesize

      40KB

    • memory/4468-77-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-97-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-57-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-34-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-35-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-71-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-72-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-73-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-74-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-75-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-76-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-78-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-79-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-80-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-81-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-82-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-83-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-84-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-85-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-86-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-87-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-88-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-89-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-90-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-91-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-92-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-93-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-94-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-95-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-96-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-63-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-98-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-99-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-100-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-101-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-102-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-103-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-104-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-105-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-106-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-107-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-108-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-109-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-110-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-111-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-112-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-113-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-114-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-115-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-116-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-117-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-118-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-119-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-120-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-121-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-122-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-123-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-124-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-125-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-126-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-127-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-128-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB