Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2023, 16:54

General

  • Target

    FADTQWERT.bat.exe

  • Size

    1.0MB

  • MD5

    c200bdcd9c827ad9c878f61a6e80b2ee

  • SHA1

    730d6b83b8af8d7b6740020d0e44466c2192f6ee

  • SHA256

    fc4fb593fdecc5e6c82c0c98decab2ccd213153078489787712a082c299d20cd

  • SHA512

    a5dd81fe25aa643c94f5e098e17fc2ce9a929141ea3a470245986e3e5fb8d9da8c014f6649a70816f8d1338b043a09caea69193f627f8c1bf351becb8d76de43

  • SSDEEP

    24576:KgCKtD/61Idz9KOXdI0YBt68T1U3FMztS5aV3+2rN87:X6Kzj+0YBt68+3FMKaO2h87

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

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-IZFV1M

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FADTQWERT.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\FADTQWERT.bat.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FADTQWERT.bat.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1628
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GwdCcjuxCiQA.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1456
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GwdCcjuxCiQA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EF4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4900
    • C:\Users\Admin\AppData\Local\Temp\FADTQWERT.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\FADTQWERT.bat.exe"
      2⤵
        PID:4592
      • C:\Users\Admin\AppData\Local\Temp\FADTQWERT.bat.exe
        "C:\Users\Admin\AppData\Local\Temp\FADTQWERT.bat.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:3240

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\remcos\logs.dat

            Filesize

            144B

            MD5

            4f8c1569b18426f7458ea7da60876653

            SHA1

            8a2c7d310a2d950bf4de616e9361e89d8eff3bec

            SHA256

            40b82f87d28110257d4c45da4b4b58308cf3a43f76b1b32f41ad72c2b2df52b7

            SHA512

            cca3dcd74f08a002a2bfcea40b6af1068843d402db929ddf99dc68e9eeb727603888ab0094f5ef54de49c09d551b7a873f5c421d553087d3d9eb41b2ef78ba63

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

            Filesize

            2KB

            MD5

            968cb9309758126772781b83adb8a28f

            SHA1

            8da30e71accf186b2ba11da1797cf67f8f78b47c

            SHA256

            92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

            SHA512

            4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            18KB

            MD5

            0ca2399de8c41f3dcdbd044c62ab22b1

            SHA1

            36b33ab517a826406faa7ff00933cc8bd1112fea

            SHA256

            5effcdb291ff4c1284ee0a7d203301f5fd516b91424c948e305366e565a0d21b

            SHA512

            6e850fb5e4d5d9317c614524a96ef6ff58a11f941b1fa81a404c4c87b7ffd8b0e76eb0998a4e7438d4e6f27a2ce7a1fbc835e854bc90ccca6849a02ea6b4bfce

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4x2hja2y.tjp.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp7EF4.tmp

            Filesize

            1KB

            MD5

            bff1cf744ec29958693e883150bde54b

            SHA1

            ae28c052988aadc9239c5bcc32c861f778f9dda6

            SHA256

            f9d30a5bc3217bfb13a1c8aa18599d72854c046fc783271bcf11bde3ffb205e1

            SHA512

            07f4390f9befe5464f14606301a954903d3aaeb60f8621f8ad0116f735c8ac67191fd35e28738055a96b74545874aafbc35240f932e853ee51317856b5b3ed32

          • memory/1456-99-0x00000000744C0000-0x0000000074C70000-memory.dmp

            Filesize

            7.7MB

          • memory/1456-19-0x0000000005370000-0x0000000005380000-memory.dmp

            Filesize

            64KB

          • memory/1456-95-0x0000000007DA0000-0x0000000007DBA000-memory.dmp

            Filesize

            104KB

          • memory/1456-88-0x0000000007A60000-0x0000000007A7A000-memory.dmp

            Filesize

            104KB

          • memory/1456-76-0x0000000070CB0000-0x0000000070CFC000-memory.dmp

            Filesize

            304KB

          • memory/1456-77-0x000000007EFE0000-0x000000007EFF0000-memory.dmp

            Filesize

            64KB

          • memory/1456-87-0x0000000005370000-0x0000000005380000-memory.dmp

            Filesize

            64KB

          • memory/1456-24-0x00000000744C0000-0x0000000074C70000-memory.dmp

            Filesize

            7.7MB

          • memory/1456-32-0x0000000005760000-0x00000000057C6000-memory.dmp

            Filesize

            408KB

          • memory/1456-25-0x0000000005370000-0x0000000005380000-memory.dmp

            Filesize

            64KB

          • memory/1628-37-0x00000000057D0000-0x0000000005B24000-memory.dmp

            Filesize

            3.3MB

          • memory/1628-73-0x0000000004910000-0x0000000004920000-memory.dmp

            Filesize

            64KB

          • memory/1628-21-0x0000000004910000-0x0000000004920000-memory.dmp

            Filesize

            64KB

          • memory/1628-103-0x00000000744C0000-0x0000000074C70000-memory.dmp

            Filesize

            7.7MB

          • memory/1628-96-0x00000000073F0000-0x00000000073F8000-memory.dmp

            Filesize

            32KB

          • memory/1628-94-0x0000000007310000-0x0000000007324000-memory.dmp

            Filesize

            80KB

          • memory/1628-31-0x00000000055F0000-0x0000000005656000-memory.dmp

            Filesize

            408KB

          • memory/1628-60-0x000000007EF20000-0x000000007EF30000-memory.dmp

            Filesize

            64KB

          • memory/1628-93-0x0000000007300000-0x000000000730E000-memory.dmp

            Filesize

            56KB

          • memory/1628-17-0x0000000004F50000-0x0000000005578000-memory.dmp

            Filesize

            6.2MB

          • memory/1628-16-0x00000000744C0000-0x0000000074C70000-memory.dmp

            Filesize

            7.7MB

          • memory/1628-23-0x0000000004DE0000-0x0000000004E02000-memory.dmp

            Filesize

            136KB

          • memory/1628-92-0x00000000072D0000-0x00000000072E1000-memory.dmp

            Filesize

            68KB

          • memory/1628-91-0x0000000007350000-0x00000000073E6000-memory.dmp

            Filesize

            600KB

          • memory/1628-90-0x0000000007140000-0x000000000714A000-memory.dmp

            Filesize

            40KB

          • memory/1628-89-0x0000000007710000-0x0000000007D8A000-memory.dmp

            Filesize

            6.5MB

          • memory/1628-54-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

            Filesize

            120KB

          • memory/1628-20-0x0000000004910000-0x0000000004920000-memory.dmp

            Filesize

            64KB

          • memory/1628-15-0x00000000024E0000-0x0000000002516000-memory.dmp

            Filesize

            216KB

          • memory/1628-58-0x0000000005E70000-0x0000000005EBC000-memory.dmp

            Filesize

            304KB

          • memory/1628-74-0x0000000006F90000-0x0000000007033000-memory.dmp

            Filesize

            652KB

          • memory/1628-61-0x0000000006D20000-0x0000000006D52000-memory.dmp

            Filesize

            200KB

          • memory/1628-75-0x0000000004910000-0x0000000004920000-memory.dmp

            Filesize

            64KB

          • memory/1628-72-0x0000000006D60000-0x0000000006D7E000-memory.dmp

            Filesize

            120KB

          • memory/1628-62-0x0000000070CB0000-0x0000000070CFC000-memory.dmp

            Filesize

            304KB

          • memory/2664-10-0x0000000006640000-0x00000000066DC000-memory.dmp

            Filesize

            624KB

          • memory/2664-0-0x00000000007D0000-0x00000000008DE000-memory.dmp

            Filesize

            1.1MB

          • memory/2664-1-0x00000000744C0000-0x0000000074C70000-memory.dmp

            Filesize

            7.7MB

          • memory/2664-5-0x00000000052D0000-0x00000000052DA000-memory.dmp

            Filesize

            40KB

          • memory/2664-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

            Filesize

            5.6MB

          • memory/2664-9-0x0000000006800000-0x00000000068B8000-memory.dmp

            Filesize

            736KB

          • memory/2664-3-0x00000000052E0000-0x0000000005372000-memory.dmp

            Filesize

            584KB

          • memory/2664-8-0x00000000055F0000-0x00000000055FA000-memory.dmp

            Filesize

            40KB

          • memory/2664-50-0x00000000744C0000-0x0000000074C70000-memory.dmp

            Filesize

            7.7MB

          • memory/2664-6-0x0000000005420000-0x0000000005438000-memory.dmp

            Filesize

            96KB

          • memory/2664-18-0x00000000744C0000-0x0000000074C70000-memory.dmp

            Filesize

            7.7MB

          • memory/2664-7-0x00000000055D0000-0x00000000055D8000-memory.dmp

            Filesize

            32KB

          • memory/2664-4-0x00000000054D0000-0x00000000054E0000-memory.dmp

            Filesize

            64KB

          • memory/3240-110-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-115-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-51-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-59-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-56-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-57-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-107-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-109-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-44-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-38-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-53-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-116-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-122-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-123-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-128-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-129-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-134-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-136-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/3240-141-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB