Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 07:25

General

  • Target

    $TEMP/plier.exe

  • Size

    4KB

  • MD5

    11c8f037f0e1a68ff1c74cbcac6e3c6e

  • SHA1

    bb50ac196dfd3a194b7b7161947a012a0d49886c

  • SHA256

    aed09c9a90b38e324fa49b4b8b5b6e263413b49768d5b38f921c2ee4245a6b34

  • SHA512

    05da2d9cd1ce41a11d4ba0f82512790357139c815894f1be4468df137680ecd577660807c368d9c9c6e95aad10e2caa0f00cf1c5739b36644c75a2e8eeae6c2b

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

Ene20

C2

amsdkjeduejfhdgerop.duckdns.org:2223

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    AdminShell

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    NQUjfd3E3e5dje-JHD8X5

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Blocklisted process makes network request 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\plier.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\plier.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Blocklisted process makes network request
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:11376
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}
    1⤵
      PID:3892
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "powershell.exe -command "Set-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\"""
        2⤵
          PID:7188
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -command "Set-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\""
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:10184

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eqwhhw02.to5.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • C:\Users\Admin\AppData\Roaming\AdminShell\logs.dat

              Filesize

              74B

              MD5

              61624923bea01c8ac9c3f81b39572c07

              SHA1

              b1907634afc55a9c1a3525ba9c80a802a6cb5f40

              SHA256

              0a5611f99aae2cce0338b746638eeae7e90813ad000f69e396e9a61ee7f13dc4

              SHA512

              f949923652968b88fdc99bd8c90f5a59b05198cca0204cccd0999ef80bb9fbf023847dfb17f79fb1a2013b532ef36a22fc5a501e1038c1881b69afef3d74c542

            • C:\Windows\win.ini

              Filesize

              131B

              MD5

              9848e4efb0abd437d65e6d3d1d973adb

              SHA1

              f427ac7c50b19f66658ae7f92cbaf21110b49a47

              SHA256

              c8b84add37da849977a84fe62badb6cb908be99769edb70d60bcd04c0aec2a3f

              SHA512

              f90f1f65b6b824a526469b8d739f733a54a7f485d8b5f680de7a35fac90786bf6ba5a0b1d62e139663c5ee73b8d687cf32d4ccf188e18c53084ec12d8c216b17

            • memory/1092-1-0x0000000000550000-0x0000000000551000-memory.dmp

              Filesize

              4KB

            • memory/1092-2-0x00000000005B0000-0x00000000005B7000-memory.dmp

              Filesize

              28KB

            • memory/1092-10008-0x0000000000800000-0x0000000000822000-memory.dmp

              Filesize

              136KB

            • memory/1092-0-0x0000000000540000-0x0000000000544000-memory.dmp

              Filesize

              16KB

            • memory/10184-10050-0x0000000006EB0000-0x0000000006F53000-memory.dmp

              Filesize

              652KB

            • memory/10184-10053-0x0000000006FC0000-0x0000000006FDA000-memory.dmp

              Filesize

              104KB

            • memory/10184-10018-0x00000000024A0000-0x00000000024B0000-memory.dmp

              Filesize

              64KB

            • memory/10184-10016-0x0000000000D60000-0x0000000000D96000-memory.dmp

              Filesize

              216KB

            • memory/10184-10019-0x00000000024A0000-0x00000000024B0000-memory.dmp

              Filesize

              64KB

            • memory/10184-10020-0x0000000004F00000-0x0000000005528000-memory.dmp

              Filesize

              6.2MB

            • memory/10184-10021-0x0000000004DF0000-0x0000000004E12000-memory.dmp

              Filesize

              136KB

            • memory/10184-10022-0x00000000055E0000-0x0000000005646000-memory.dmp

              Filesize

              408KB

            • memory/10184-10063-0x00000000726F0000-0x0000000072EA0000-memory.dmp

              Filesize

              7.7MB

            • memory/10184-10023-0x0000000005650000-0x00000000056B6000-memory.dmp

              Filesize

              408KB

            • memory/10184-10033-0x00000000058B0000-0x0000000005C04000-memory.dmp

              Filesize

              3.3MB

            • memory/10184-10034-0x0000000005C90000-0x0000000005CAE000-memory.dmp

              Filesize

              120KB

            • memory/10184-10035-0x00000000061E0000-0x000000000622C000-memory.dmp

              Filesize

              304KB

            • memory/10184-10036-0x000000007F190000-0x000000007F1A0000-memory.dmp

              Filesize

              64KB

            • memory/10184-10037-0x0000000006E70000-0x0000000006EA2000-memory.dmp

              Filesize

              200KB

            • memory/10184-10038-0x000000006EEC0000-0x000000006EF0C000-memory.dmp

              Filesize

              304KB

            • memory/10184-10048-0x0000000006250000-0x000000000626E000-memory.dmp

              Filesize

              120KB

            • memory/10184-10060-0x00000000072E0000-0x00000000072E8000-memory.dmp

              Filesize

              32KB

            • memory/10184-10049-0x00000000024A0000-0x00000000024B0000-memory.dmp

              Filesize

              64KB

            • memory/10184-10051-0x00000000024A0000-0x00000000024B0000-memory.dmp

              Filesize

              64KB

            • memory/10184-10052-0x0000000007600000-0x0000000007C7A000-memory.dmp

              Filesize

              6.5MB

            • memory/10184-10017-0x00000000726F0000-0x0000000072EA0000-memory.dmp

              Filesize

              7.7MB

            • memory/10184-10054-0x0000000007030000-0x000000000703A000-memory.dmp

              Filesize

              40KB

            • memory/10184-10055-0x0000000007240000-0x00000000072D6000-memory.dmp

              Filesize

              600KB

            • memory/10184-10056-0x00000000071C0000-0x00000000071D1000-memory.dmp

              Filesize

              68KB

            • memory/10184-10057-0x00000000071F0000-0x00000000071FE000-memory.dmp

              Filesize

              56KB

            • memory/10184-10058-0x0000000007200000-0x0000000007214000-memory.dmp

              Filesize

              80KB

            • memory/10184-10059-0x0000000007300000-0x000000000731A000-memory.dmp

              Filesize

              104KB

            • memory/11376-10073-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10013-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10064-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10066-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10068-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10070-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10012-0x0000000000BE0000-0x0000000000BE3000-memory.dmp

              Filesize

              12KB

            • memory/11376-10009-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

              Filesize

              24KB

            • memory/11376-10075-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10077-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10079-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10081-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB

            • memory/11376-10083-0x0000000073720000-0x00000000739B1000-memory.dmp

              Filesize

              2.6MB