Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 02:05

General

  • Target

    United.Overseas.Bank.Payment.pdf.exe

  • Size

    611KB

  • MD5

    6907c3c8e2814879824b061d2526bd2e

  • SHA1

    0657505c0b1e8fd388d553663d7e0c3f5200eaf1

  • SHA256

    d721a704452238e2c80830950bb4fecab86c4fe5b214c303afdcd84074ca2591

  • SHA512

    8b3abc3238308e757d215a311fbb9cba5c7e78fae7871faceda01effd7e0e1fd2f0c46877aa4e656c0b2d9a645333aa20ed701a7ec275a29ed0325fffc2ca13c

  • SSDEEP

    12288:8zBB2EzqBTMudgkVJnQb7WvpQOSSQNx6qZ5:aB2EzqBIudgkTQb7Wu58i5

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

162.251.122.76:7119

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-P2SX34

  • 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

Signatures

  • Remcos

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

  • Remcos family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\United.Overseas.Bank.Payment.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\United.Overseas.Bank.Payment.pdf.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops startup file
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2012
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2152

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2012-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

            Filesize

            4KB

          • memory/2012-1-0x00000000002E0000-0x000000000037E000-memory.dmp

            Filesize

            632KB

          • memory/2012-2-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-3-0x0000000005FE0000-0x0000000006104000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-9-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-5-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-4-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-15-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-63-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-65-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-67-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-61-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-59-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-57-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-55-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-53-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-51-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-49-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-47-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-45-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-43-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-42-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-39-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-37-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-35-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-33-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-31-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-27-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-23-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-21-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-19-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-17-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-13-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-11-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-7-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-29-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-25-0x0000000005FE0000-0x00000000060FE000-memory.dmp

            Filesize

            1.1MB

          • memory/2012-1078-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

            Filesize

            4KB

          • memory/2012-1079-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-1080-0x00000000061A0000-0x0000000006236000-memory.dmp

            Filesize

            600KB

          • memory/2012-1081-0x0000000006240000-0x000000000628C000-memory.dmp

            Filesize

            304KB

          • memory/2012-1084-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-1085-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-1087-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-1088-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-1089-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-1090-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2012-1091-0x0000000006CD0000-0x0000000007274000-memory.dmp

            Filesize

            5.6MB

          • memory/2012-1092-0x0000000005B20000-0x0000000005B74000-memory.dmp

            Filesize

            336KB

          • memory/2012-1101-0x0000000074AE0000-0x0000000075290000-memory.dmp

            Filesize

            7.7MB

          • memory/2152-1100-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/2152-1107-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB