Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 02:36

General

  • Target

    80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe

  • Size

    1.0MB

  • MD5

    3ac5c2f48370ff445ffb4f99c94014af

  • SHA1

    275c43f16565d071d0683471c3b6fd68d20fbbe2

  • SHA256

    80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7

  • SHA512

    554258bf14b235fb229cb28778b1d1a5715c1c74c128c6f955567a00345e8e1c0736520649be9f8d02907aca838d018c55a5cf4f4cb27be119e8f7977a9b0504

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCDH1MJ55AxaiKDeLRR:7JZoQrbTFZY1iaCLQ56aifT

Malware Config

Extracted

Family

remcos

Botnet

OCT 28

C2

myhost001.myddns.me:9373

103.161.133.98:4804

103.161.133.98:9373

myhost001.myddns.me:4804

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-47R6I4

  • 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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe
    "C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Users\Admin\AppData\Local\enterogenous\turbinals.exe
      "C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe"
        3⤵
          PID:3664
        • C:\Users\Admin\AppData\Local\enterogenous\turbinals.exe
          "C:\Users\Admin\AppData\Local\enterogenous\turbinals.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1116
          • C:\Windows\SysWOW64\svchost.exe
            "C:\Users\Admin\AppData\Local\enterogenous\turbinals.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:4088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      b8ac5a5cd7b195c92900adec3a386da4

      SHA1

      5815a3a7dd81295a08b25539b2948f12bd1fea21

      SHA256

      01845d535471e14c2d69ee6cf173e437f80b1d56f11e787217d66fc4bd1b8dbc

      SHA512

      40fa29eca0a8186b3cd8a740fdc04d44c430d04b07a47eeba64c411aa488556bee3fbe23bfdf5f4fc01658b0184ea2f3227200196c9d1c2624870e509d7759c6

    • C:\Users\Admin\AppData\Local\Temp\aut98A6.tmp

      Filesize

      410KB

      MD5

      a82ba22217252a8c8cd0c85b9865fa6b

      SHA1

      8c6733e9b63918e05bf67b382008f2d55628bb15

      SHA256

      9f5cac95bb6aebffd7b44c15bba728d53f986f08710caee5ab7bf9fc4dc153bb

      SHA512

      29a2b136adddadcee9ec51f2831834a7d0362cd63afdd6824f749ec4f587676d9d3b7836e0aa0d5b41eec3ffd962b82274d2a055c3e779ba12e1436f7dc9a833

    • C:\Users\Admin\AppData\Local\Temp\aut98C6.tmp

      Filesize

      14KB

      MD5

      999c01196577c85c5ced1a8cd6599277

      SHA1

      a57bd38b75a7ab0085669e41b71dab75be46f419

      SHA256

      f587c9d5dd6b03af588121eb7e53a0aeb468460039fd7fe779490a5246405cce

      SHA512

      f4f0fdcb3f639177e6a7abac1fe021dca49db57b503ac3a1eda3465b8be67082de545ad4ba9956306b70a593d2b8d30657a7772f8e9d8c347a936671f85fa9be

    • C:\Users\Admin\AppData\Local\Temp\outbluffed

      Filesize

      469KB

      MD5

      e61f842fcbf6cd5c1c4c51ac72f723b1

      SHA1

      5aba61a4ef5a08aa1d5ad5d8f53ed17c360655c8

      SHA256

      66c9e3d3b093b84cb142232d8cc4007ac17bc1d3457a7d3b78f86d28d653bd6d

      SHA512

      5d2aa8a3b53a65d0ffaf219b898617ffac60204bfe58577b95c0b2e43a7398c1926f9acb4be18995e9e107a77c4a12ed6d1781408a849163f45f41381ec3ebbb

    • C:\Users\Admin\AppData\Local\Temp\overfertilize

      Filesize

      174KB

      MD5

      32ec591fa73cb29e3771a6515d1cddf6

      SHA1

      5713e17a805078d30c343670c3e73623f19b36b2

      SHA256

      9168093424ff90ffc69232e9cfd3cf137de4bdb8cb935deea45f5a693d6386aa

      SHA512

      4c1455cc93e04f6576430aee4b2058141cd64b6355ac2f51c1b47269e8426eae81ee931ddbfb8d77a352244bd076fd70e8118dfc53b0c656b4e3e442e2a2784c

    • C:\Users\Admin\AppData\Local\enterogenous\turbinals.exe

      Filesize

      1.0MB

      MD5

      3ac5c2f48370ff445ffb4f99c94014af

      SHA1

      275c43f16565d071d0683471c3b6fd68d20fbbe2

      SHA256

      80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7

      SHA512

      554258bf14b235fb229cb28778b1d1a5715c1c74c128c6f955567a00345e8e1c0736520649be9f8d02907aca838d018c55a5cf4f4cb27be119e8f7977a9b0504

    • memory/1116-45-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

      Filesize

      1024KB

    • memory/1544-11-0x0000000003E60000-0x0000000003F60000-memory.dmp

      Filesize

      1024KB

    • memory/2560-29-0x00000000036B0000-0x00000000037B0000-memory.dmp

      Filesize

      1024KB

    • memory/4088-52-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-60-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-47-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-53-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-54-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-57-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-66-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-67-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-73-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-79-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-80-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4088-85-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB