Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01-09-2024 01:20

General

  • Target

    6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe

  • Size

    971KB

  • MD5

    212068494b9a5e0238568a842da660da

  • SHA1

    880afab8133a3b62a4e1d87f94bcef846846f024

  • SHA256

    6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32

  • SHA512

    afd63a289f8c1a5ac2b1ade03c6db1f5a6cc6efa8ddc8c33a7559c699d97df09a00cfff87d366065f39a13643efe0e37bf0049a021c4ec51e27b91f30d6dcaf1

  • SSDEEP

    24576:dBrYKjLhvej6aV9b7w6tt6nWHdCgjuf+lBqA:dZLh+6ac6ttfH3KSq

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.161.133.245:9898

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-LN5NIY

  • 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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe
    "C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe
      "C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe"
      2⤵
        PID:2780
      • C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe
        "C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe"
        2⤵
          PID:2856
        • C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe
          "C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe"
          2⤵
            PID:388
          • C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe
            "C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe"
            2⤵
              PID:2448
            • C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe
              "C:\Users\Admin\AppData\Local\Temp\6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2376

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2376-16-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-30-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-37-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-38-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-36-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-35-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-34-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-12-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-8-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-11-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-15-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-14-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-22-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-17-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-20-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2376-33-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-32-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-10-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-23-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-31-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-25-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-27-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-26-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2376-28-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/2552-1-0x0000000000230000-0x0000000000328000-memory.dmp

            Filesize

            992KB

          • memory/2552-24-0x00000000742D0000-0x00000000749BE000-memory.dmp

            Filesize

            6.9MB

          • memory/2552-7-0x0000000005120000-0x00000000051E0000-memory.dmp

            Filesize

            768KB

          • memory/2552-4-0x0000000001E20000-0x0000000001E38000-memory.dmp

            Filesize

            96KB

          • memory/2552-6-0x00000000742D0000-0x00000000749BE000-memory.dmp

            Filesize

            6.9MB

          • memory/2552-5-0x00000000742DE000-0x00000000742DF000-memory.dmp

            Filesize

            4KB

          • memory/2552-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

            Filesize

            4KB

          • memory/2552-3-0x0000000004F30000-0x0000000005018000-memory.dmp

            Filesize

            928KB

          • memory/2552-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

            Filesize

            6.9MB