Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2023, 11:52

General

  • Target

    SecurityBrowser_lan_v1.exe

  • Size

    1.2MB

  • MD5

    23928fbbd748586178830468d957af04

  • SHA1

    8d083f74f1e313d532096721a58939cf1b0005f5

  • SHA256

    b1641558460e01ae234bc5ddf1b4e9306a836842ef63f82eef87ce7c0fc13ab3

  • SHA512

    6d03fdec999a46a8ad743f450941262c733b3ecab7e1847f72fe72fdb99603d6b0de52a5bbeba8da745218026fdf5c8ac6766495f36a178e0aac35d813485900

  • SSDEEP

    24576:U1FvXWeilJJzhVN/XAfsCTv3wbodhYrT6dBDuOIAxsTbtUv:U1tXWeilJJdVN/AUifYrT6dDxCZm

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

retghrtgwtrgtg.bounceme.net:3839

listpoints.click:7020

datastream.myvnc.com:5225

gservicese.com:2718

center.onthewifi.com:8118

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    explorer.exe

  • delete_file

    false

  • hide_file

    true

  • 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-OPX7KW

  • 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 NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1236
      • C:\Users\Admin\AppData\Local\Temp\SecurityBrowser_lan_v1.exe
        "C:\Users\Admin\AppData\Local\Temp\SecurityBrowser_lan_v1.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2516
      • C:\Users\Admin\AppData\Roaming\uninstallSecure\atkexComSvc.exe
        C:\Users\Admin\AppData\Roaming\uninstallSecure\atkexComSvc.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:872
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\SysWOW64\cmd.exe
          3⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1256
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
              PID:1676

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\2698fb96

        Filesize

        1.1MB

        MD5

        fdbf53138a61beb389d22047ee3fb365

        SHA1

        5c9f4b457eda4c92a967055a07f6da2c963f00c3

        SHA256

        f539eb7d4afa80bb410426637e1bb98aa0e5bd88d2e7521f6588893a7f7e44d0

        SHA512

        4929066bd48f8feb8dc1820ab5da1f570a81c986469512a3ccf439ee8141daab92d5092d484c9f7feaa620817488c7de22db4b9a7e615ef5f2fc8797ed9ca7f5

      • C:\Users\Admin\AppData\Local\Temp\Cab5DBC.tmp

        Filesize

        61KB

        MD5

        f3441b8572aae8801c04f3060b550443

        SHA1

        4ef0a35436125d6821831ef36c28ffaf196cda15

        SHA256

        6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

        SHA512

        5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

      • C:\Users\Admin\AppData\Local\Temp\Tar5EE7.tmp

        Filesize

        163KB

        MD5

        9441737383d21192400eca82fda910ec

        SHA1

        725e0d606a4fc9ba44aa8ffde65bed15e65367e4

        SHA256

        bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

        SHA512

        7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

      • C:\Users\Admin\AppData\Roaming\uninstallSecure\ASUS_WMI.dll

        Filesize

        224KB

        MD5

        3f109a02c8d642e8003a1188df40d861

        SHA1

        f723f38471b8872443aa9177eef12a96c02cc84a

        SHA256

        6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

        SHA512

        023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

      • C:\Users\Admin\AppData\Roaming\uninstallSecure\ATKEX.dll

        Filesize

        84KB

        MD5

        e68562f63265e1a70881446b4b9dc455

        SHA1

        da16ef9367bde3ce892b1a0e33bc179d8acdceb3

        SHA256

        c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

        SHA512

        6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

      • C:\Users\Admin\AppData\Roaming\uninstallSecure\AsIO.dll

        Filesize

        120KB

        MD5

        7e8a0f4ffc08b2a792991e0f38acf7fc

        SHA1

        02831427b91ff04bbe1317c4f99cfb6e7375d729

        SHA256

        6f50a4bf11f9d329ea94b7e730e03e45f707804d63599fb03a3df55493b29a3c

        SHA512

        e4818a242afac5e95508a0db2da590af422cfcd7fa338d5885e1fba5a23a364562b6c7afe62a082e920eadb8973d6856092de0def92c1313fdbb363b77ad0dfc

      • C:\Users\Admin\AppData\Roaming\uninstallSecure\atkexComSvc.exe

        Filesize

        446KB

        MD5

        485008b43f0edceba0e0d3ca04bc1c1a

        SHA1

        55ae8f105af415bb763d1b87f6572f078052877c

        SHA256

        12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

        SHA512

        402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

      • C:\Users\Admin\AppData\Roaming\uninstallSecure\atkexComSvc.exe

        Filesize

        446KB

        MD5

        485008b43f0edceba0e0d3ca04bc1c1a

        SHA1

        55ae8f105af415bb763d1b87f6572f078052877c

        SHA256

        12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

        SHA512

        402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

      • C:\Users\Admin\AppData\Roaming\uninstallSecure\resort.dbf

        Filesize

        923KB

        MD5

        7b1faa606f85160644fc93e9e2f2f125

        SHA1

        75bec90e5af020fd5004b03dd0fbd1213e20b196

        SHA256

        4d39a361ec341976f7e7d39a4847430b0a0ab323bda6e77ed3420e2a1dbdfd2e

        SHA512

        24b7372bdf8b3c6d3661bf26339a2066eb94c611155574afe8130ec46cedc71ba1a5901f842c7fa2b8de9174def4aa2ce98ded173a7497d42103faccc00c5613

      • \Users\Admin\AppData\Roaming\uninstallSecure\ASUS_WMI.dll

        Filesize

        224KB

        MD5

        3f109a02c8d642e8003a1188df40d861

        SHA1

        f723f38471b8872443aa9177eef12a96c02cc84a

        SHA256

        6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

        SHA512

        023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

      • \Users\Admin\AppData\Roaming\uninstallSecure\ATKEX.dll

        Filesize

        84KB

        MD5

        e68562f63265e1a70881446b4b9dc455

        SHA1

        da16ef9367bde3ce892b1a0e33bc179d8acdceb3

        SHA256

        c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

        SHA512

        6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

      • \Users\Admin\AppData\Roaming\uninstallSecure\AsIO.dll

        Filesize

        120KB

        MD5

        7e8a0f4ffc08b2a792991e0f38acf7fc

        SHA1

        02831427b91ff04bbe1317c4f99cfb6e7375d729

        SHA256

        6f50a4bf11f9d329ea94b7e730e03e45f707804d63599fb03a3df55493b29a3c

        SHA512

        e4818a242afac5e95508a0db2da590af422cfcd7fa338d5885e1fba5a23a364562b6c7afe62a082e920eadb8973d6856092de0def92c1313fdbb363b77ad0dfc

      • \Users\Admin\AppData\Roaming\uninstallSecure\atkexComSvc.exe

        Filesize

        446KB

        MD5

        485008b43f0edceba0e0d3ca04bc1c1a

        SHA1

        55ae8f105af415bb763d1b87f6572f078052877c

        SHA256

        12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

        SHA512

        402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

      • memory/872-163-0x0000000074B60000-0x0000000074CD4000-memory.dmp

        Filesize

        1.5MB

      • memory/872-159-0x0000000074B60000-0x0000000074CD4000-memory.dmp

        Filesize

        1.5MB

      • memory/872-160-0x0000000077530000-0x00000000776D9000-memory.dmp

        Filesize

        1.7MB

      • memory/872-161-0x0000000074B60000-0x0000000074CD4000-memory.dmp

        Filesize

        1.5MB

      • memory/1256-166-0x0000000074B60000-0x0000000074CD4000-memory.dmp

        Filesize

        1.5MB

      • memory/1256-217-0x0000000074B60000-0x0000000074CD4000-memory.dmp

        Filesize

        1.5MB

      • memory/1256-215-0x0000000074B60000-0x0000000074CD4000-memory.dmp

        Filesize

        1.5MB

      • memory/1256-214-0x0000000074B60000-0x0000000074CD4000-memory.dmp

        Filesize

        1.5MB

      • memory/1256-167-0x0000000077530000-0x00000000776D9000-memory.dmp

        Filesize

        1.7MB

      • memory/1676-225-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-228-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-232-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-231-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-230-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-229-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-227-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-218-0x0000000077530000-0x00000000776D9000-memory.dmp

        Filesize

        1.7MB

      • memory/1676-219-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-221-0x0000000000BC0000-0x0000000000E41000-memory.dmp

        Filesize

        2.5MB

      • memory/1676-222-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-223-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-224-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/1676-226-0x0000000000400000-0x0000000000483000-memory.dmp

        Filesize

        524KB

      • memory/2516-148-0x000007FEF6C70000-0x000007FEF6DC8000-memory.dmp

        Filesize

        1.3MB

      • memory/2516-139-0x000007FEF6C70000-0x000007FEF6DC8000-memory.dmp

        Filesize

        1.3MB

      • memory/2516-137-0x000007FEF6C70000-0x000007FEF6DC8000-memory.dmp

        Filesize

        1.3MB

      • memory/2516-162-0x000007FEF6C70000-0x000007FEF6DC8000-memory.dmp

        Filesize

        1.3MB

      • memory/2516-138-0x000007FEF6C70000-0x000007FEF6DC8000-memory.dmp

        Filesize

        1.3MB

      • memory/2516-98-0x000000013FF20000-0x000000014004B000-memory.dmp

        Filesize

        1.2MB

      • memory/2516-135-0x000007FEF6C70000-0x000007FEF6DC8000-memory.dmp

        Filesize

        1.3MB