Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 10:13

General

  • Target

    f496f8b7768b7bdb3c8089cdb8c5301e9724e90c7319a54edbf93529e8855818.exe

  • Size

    3.3MB

  • MD5

    489c1ee75189fed73b14537faff8dab7

  • SHA1

    8c35404a2fbe2fbb4870ee7e29b061e4b605f31c

  • SHA256

    f496f8b7768b7bdb3c8089cdb8c5301e9724e90c7319a54edbf93529e8855818

  • SHA512

    41890da3e0104f3d4aea7909416ae5f7c8f2c802c16ccc7d89329960390b26138bb3143aa2e5871dd16b95b81763f347ad36a39e2c370dbe2f5cb14b05098112

  • SSDEEP

    49152:izBfc7DI2VFkyHYMuhEoxzbtMmaHlNd+/ca0VpWPrx9GHzlMBGGfWGmsO7ukhq4I:izuPaFWDmGYrxbBGY7O7usqIvOGI

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

QUOTATION

C2

64.188.18.137:1604

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-O64LXR

  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f496f8b7768b7bdb3c8089cdb8c5301e9724e90c7319a54edbf93529e8855818.exe
    "C:\Users\Admin\AppData\Local\Temp\f496f8b7768b7bdb3c8089cdb8c5301e9724e90c7319a54edbf93529e8855818.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
      2⤵
        PID:2620
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:2004
        • C:\Windows\regedit.exe
          "C:\Windows\regedit.exe"
          2⤵
          • Runs regedit.exe
          PID:2856
        • C:\Windows\System32\svchost.exe
          "C:\Windows\System32\svchost.exe"
          2⤵
            PID:2380
          • C:\Program Files (x86)\Windows Mail\wab.exe
            "C:\Program Files (x86)\Windows Mail\wab.exe"
            2⤵
              PID:3036
            • C:\Program Files (x86)\Windows Mail\wab.exe
              "C:\Program Files (x86)\Windows Mail\wab.exe"
              2⤵
                PID:2556

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2240-0-0x000007FEF5843000-0x000007FEF5844000-memory.dmp

              Filesize

              4KB

            • memory/2240-1-0x0000000000A10000-0x0000000000C94000-memory.dmp

              Filesize

              2.5MB

            • memory/2240-2-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

              Filesize

              9.9MB

            • memory/2240-3-0x000000001B440000-0x000000001B6C4000-memory.dmp

              Filesize

              2.5MB

            • memory/2240-4-0x0000000000560000-0x0000000000634000-memory.dmp

              Filesize

              848KB

            • memory/2240-86-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

              Filesize

              9.9MB

            • memory/2620-16-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2620-9-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2620-18-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2620-14-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2620-12-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2620-10-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2620-7-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2620-5-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/3036-82-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/3036-87-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/3036-90-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB