Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 02:38

General

  • Target

    7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe

  • Size

    947KB

  • MD5

    b10dbc0225aac52e8ee344602847a3cc

  • SHA1

    4bedc08167e1f21c85593c730e29d10036e0b219

  • SHA256

    7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8

  • SHA512

    579827dda319cbf9edb3d9955f27e68952f4587d73166192a68ff8609032465d892c6f08e4b19454b24c27c4cce6ddb56fce2e7df3121458c4d1f7c78d5e6156

  • SSDEEP

    24576:Pf5eTij5iglZLSD2fhawjyCcT4L3CbY5O+eB:X5CU5PlZLm2fhDcTBbY5O+eB

Malware Config

Extracted

Family

remcos

Botnet

Remco

C2

87.120.116.245:2404

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-0PJCBG

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
    "C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4720
    • 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\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:696
    • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
      "C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i31ed0oa.jcz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/696-57-0x0000000006A00000-0x0000000006A1E000-memory.dmp

    Filesize

    120KB

  • memory/696-64-0x0000000006F90000-0x0000000006F9E000-memory.dmp

    Filesize

    56KB

  • memory/696-47-0x00000000717C0000-0x000000007180C000-memory.dmp

    Filesize

    304KB

  • memory/696-65-0x0000000006FA0000-0x0000000006FB4000-memory.dmp

    Filesize

    80KB

  • memory/696-46-0x00000000069C0000-0x00000000069F2000-memory.dmp

    Filesize

    200KB

  • memory/696-63-0x0000000006F60000-0x0000000006F71000-memory.dmp

    Filesize

    68KB

  • memory/696-62-0x0000000006FE0000-0x0000000007076000-memory.dmp

    Filesize

    600KB

  • memory/696-43-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

    Filesize

    304KB

  • memory/696-60-0x0000000006D60000-0x0000000006D7A000-memory.dmp

    Filesize

    104KB

  • memory/696-59-0x00000000073A0000-0x0000000007A1A000-memory.dmp

    Filesize

    6.5MB

  • memory/696-58-0x0000000006A30000-0x0000000006AD3000-memory.dmp

    Filesize

    652KB

  • memory/696-27-0x00000000051E0000-0x0000000005246000-memory.dmp

    Filesize

    408KB

  • memory/696-66-0x00000000070A0000-0x00000000070BA000-memory.dmp

    Filesize

    104KB

  • memory/696-67-0x0000000007080000-0x0000000007088000-memory.dmp

    Filesize

    32KB

  • memory/696-61-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

    Filesize

    40KB

  • memory/696-42-0x0000000005A10000-0x0000000005A2E000-memory.dmp

    Filesize

    120KB

  • memory/696-26-0x0000000004970000-0x0000000004992000-memory.dmp

    Filesize

    136KB

  • memory/696-39-0x0000000005470000-0x00000000057C4000-memory.dmp

    Filesize

    3.3MB

  • memory/696-21-0x0000000002110000-0x0000000002146000-memory.dmp

    Filesize

    216KB

  • memory/696-20-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/696-23-0x0000000004B00000-0x0000000005128000-memory.dmp

    Filesize

    6.2MB

  • memory/696-70-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/696-25-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/696-22-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/696-28-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/3180-17-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-16-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-13-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3180-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4720-7-0x0000000007960000-0x0000000007978000-memory.dmp

    Filesize

    96KB

  • memory/4720-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp

    Filesize

    584KB

  • memory/4720-1-0x00000000001D0000-0x00000000002C2000-memory.dmp

    Filesize

    968KB

  • memory/4720-4-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

    Filesize

    40KB

  • memory/4720-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4720-6-0x0000000004E80000-0x0000000004F1C000-memory.dmp

    Filesize

    624KB

  • memory/4720-2-0x0000000005200000-0x00000000057A4000-memory.dmp

    Filesize

    5.6MB

  • memory/4720-8-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/4720-11-0x0000000005FF0000-0x0000000006006000-memory.dmp

    Filesize

    88KB

  • memory/4720-10-0x00000000051F0000-0x00000000051FE000-memory.dmp

    Filesize

    56KB

  • memory/4720-9-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4720-12-0x0000000009EC0000-0x0000000009F82000-memory.dmp

    Filesize

    776KB

  • memory/4720-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/4720-24-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB