Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/02/2023, 14:16

General

  • Target

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31.exe

  • Size

    1023KB

  • MD5

    55ee911615a55fc7ed410f68324bb3e5

  • SHA1

    71c9737ff98d14c30332f0197e03956c620de578

  • SHA256

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

  • SHA512

    64ced508adb64328b5776179089456dae44372212ea4bcf46be01b5b6b1b6621ba6cc6feac9e0d1c36b76411645784ed7539b499d59d679c61a4f1a503575ff1

  • SSDEEP

    24576:qohABYTjfr2z3GoVJZmyELytqveCspFtxNR/:3VXz+3DVOdve5prH

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.139.105.174:2210

212.193.30.230:6320

212.193.30.230:2286

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-UP55W2

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    Remcos

  • 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 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31.exe
    "C:\Users\Admin\AppData\Local\Temp\ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vOEQrgpIUyHVF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vOEQrgpIUyHVF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19F0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2604
    • C:\Users\Admin\AppData\Local\Temp\ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31.exe
      "C:\Users\Admin\AppData\Local\Temp\ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4284
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\alcuzotfhswws.vbs"
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3872
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:972
          • C:\ProgramData\Remcos\remcos.exe
            C:\ProgramData\Remcos\remcos.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4128
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vOEQrgpIUyHVF.exe"
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4208
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vOEQrgpIUyHVF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB96D.tmp"
              6⤵
              • Creates scheduled task(s)
              PID:1088
            • C:\ProgramData\Remcos\remcos.exe
              "C:\ProgramData\Remcos\remcos.exe"
              6⤵
              • Executes dropped EXE
              PID:4948
            • C:\ProgramData\Remcos\remcos.exe
              "C:\ProgramData\Remcos\remcos.exe"
              6⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of SetWindowsHookEx
              PID:2612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1023KB

    MD5

    55ee911615a55fc7ed410f68324bb3e5

    SHA1

    71c9737ff98d14c30332f0197e03956c620de578

    SHA256

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

    SHA512

    64ced508adb64328b5776179089456dae44372212ea4bcf46be01b5b6b1b6621ba6cc6feac9e0d1c36b76411645784ed7539b499d59d679c61a4f1a503575ff1

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1023KB

    MD5

    55ee911615a55fc7ed410f68324bb3e5

    SHA1

    71c9737ff98d14c30332f0197e03956c620de578

    SHA256

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

    SHA512

    64ced508adb64328b5776179089456dae44372212ea4bcf46be01b5b6b1b6621ba6cc6feac9e0d1c36b76411645784ed7539b499d59d679c61a4f1a503575ff1

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1023KB

    MD5

    55ee911615a55fc7ed410f68324bb3e5

    SHA1

    71c9737ff98d14c30332f0197e03956c620de578

    SHA256

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

    SHA512

    64ced508adb64328b5776179089456dae44372212ea4bcf46be01b5b6b1b6621ba6cc6feac9e0d1c36b76411645784ed7539b499d59d679c61a4f1a503575ff1

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1023KB

    MD5

    55ee911615a55fc7ed410f68324bb3e5

    SHA1

    71c9737ff98d14c30332f0197e03956c620de578

    SHA256

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

    SHA512

    64ced508adb64328b5776179089456dae44372212ea4bcf46be01b5b6b1b6621ba6cc6feac9e0d1c36b76411645784ed7539b499d59d679c61a4f1a503575ff1

  • 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

    f8cc185f7c324c5e7ff6b2a9243144ea

    SHA1

    2f5fed541e06f80f17485d11e43883a8c07332e7

    SHA256

    dcb71a9791d7c2613fa20174fda293bee135eb8e26a1b23e83f8d5e9bc8781f4

    SHA512

    1b00e5cf6c6592bd181107eeadd1f9b9b23fb8f8b513018e03fc9e3c4cce78a1b055bd40d0459862e371213f5cf22f6875891254dc91fee51c95878c6bf3e226

  • C:\Users\Admin\AppData\Local\Temp\alcuzotfhswws.vbs

    Filesize

    386B

    MD5

    1ec6289c6fd4c2ded6b2836ed28cbeb5

    SHA1

    c4e08195e6c640eb8860acc03fda1d649b4fe070

    SHA256

    6efdc40f9eb217f879607614e928b65bff759e424f3efb31faceb2a043c32dc2

    SHA512

    20bc46f4dee22f75f15c402c7c2eaee60fff7dd92548050585571dcbefd59485cc249c06bc3f1aac7a138e5ae67c0c3918b46ffa24c8b0f1b092e2f6b6e21288

  • C:\Users\Admin\AppData\Local\Temp\tmp19F0.tmp

    Filesize

    1KB

    MD5

    b6ac12ca24a3501b52ac4236c2f60c3e

    SHA1

    9ab681aec276f847b01bcdbfe55737596d815b78

    SHA256

    233def5a5258a4c6a83a99d310c49cc1905da17ba4dc02fb4ce4a1467f48c79e

    SHA512

    a98c8c4b49401604bbec841bc3f331cce685b9be7829d08536d82965c66ebfaaa532ff8c6cdc1b8bfc880bf2f56992f098644f8855cc063376fe4fc1e4aab5bc

  • C:\Users\Admin\AppData\Local\Temp\tmpB96D.tmp

    Filesize

    1KB

    MD5

    b6ac12ca24a3501b52ac4236c2f60c3e

    SHA1

    9ab681aec276f847b01bcdbfe55737596d815b78

    SHA256

    233def5a5258a4c6a83a99d310c49cc1905da17ba4dc02fb4ce4a1467f48c79e

    SHA512

    a98c8c4b49401604bbec841bc3f331cce685b9be7829d08536d82965c66ebfaaa532ff8c6cdc1b8bfc880bf2f56992f098644f8855cc063376fe4fc1e4aab5bc

  • memory/648-164-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

    Filesize

    56KB

  • memory/648-161-0x0000000007B80000-0x0000000007B9A000-memory.dmp

    Filesize

    104KB

  • memory/648-165-0x0000000007EC0000-0x0000000007EDA000-memory.dmp

    Filesize

    104KB

  • memory/648-159-0x0000000006D90000-0x0000000006DAE000-memory.dmp

    Filesize

    120KB

  • memory/648-163-0x0000000007E00000-0x0000000007E96000-memory.dmp

    Filesize

    600KB

  • memory/648-146-0x0000000006060000-0x0000000006082000-memory.dmp

    Filesize

    136KB

  • memory/648-147-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB

  • memory/648-148-0x0000000006170000-0x00000000061D6000-memory.dmp

    Filesize

    408KB

  • memory/648-162-0x0000000007BF0000-0x0000000007BFA000-memory.dmp

    Filesize

    40KB

  • memory/648-166-0x0000000007EA0000-0x0000000007EA8000-memory.dmp

    Filesize

    32KB

  • memory/648-141-0x0000000005930000-0x0000000005F58000-memory.dmp

    Filesize

    6.2MB

  • memory/648-152-0x00000000067F0000-0x000000000680E000-memory.dmp

    Filesize

    120KB

  • memory/648-158-0x0000000071390000-0x00000000713DC000-memory.dmp

    Filesize

    304KB

  • memory/648-160-0x00000000081C0000-0x000000000883A000-memory.dmp

    Filesize

    6.5MB

  • memory/648-139-0x0000000002EC0000-0x0000000002EF6000-memory.dmp

    Filesize

    216KB

  • memory/648-157-0x0000000006DD0000-0x0000000006E02000-memory.dmp

    Filesize

    200KB

  • memory/2612-181-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-179-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-178-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-177-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3804-133-0x0000000005860000-0x0000000005E04000-memory.dmp

    Filesize

    5.6MB

  • memory/3804-135-0x0000000005360000-0x000000000536A000-memory.dmp

    Filesize

    40KB

  • memory/3804-132-0x0000000000800000-0x0000000000906000-memory.dmp

    Filesize

    1.0MB

  • memory/3804-134-0x00000000052B0000-0x0000000005342000-memory.dmp

    Filesize

    584KB

  • memory/3804-136-0x0000000008E40000-0x0000000008EDC000-memory.dmp

    Filesize

    624KB

  • memory/4208-180-0x0000000071C70000-0x0000000071CBC000-memory.dmp

    Filesize

    304KB

  • memory/4284-143-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4284-144-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4284-145-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4284-150-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB