Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 03:40

General

  • Target

    a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f.exe

  • Size

    1020KB

  • MD5

    f03e14fede667def5971cd05001ac26e

  • SHA1

    c3b194d8b0d66a3a7aa540123f9191f06632c31a

  • SHA256

    a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f

  • SHA512

    e38eaa3b4720cd0e0fd002f9d9067991c7b2ded1335a0a8d8872b96ec498a3231bdf99c1347e701b0bf23631e27a2569d62b0671a009562f9effb932c2ff3ff1

  • SSDEEP

    24576:MtS2xc3m8Y83BarJ3OJJwFcx9wyeZBMI4mCJFix:MQ2x+b3BaN3mwF6yJXWFi

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

lora1.taiwantradeglobal.com:2404

lora2.taiwantradeglobal.com:2404

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-R9UMK0

  • 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.

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 50 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f.exe
    "C:\Users\Admin\AppData\Local\Temp\a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • 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\a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QfWagJoK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QfWagJoK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA238.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpA238.tmp

      Filesize

      1KB

      MD5

      b9d43d918543f6fba15df9a6877a71d8

      SHA1

      b78ff733bd357e454462efa78da5a6d2fb17ad44

      SHA256

      c454baa84cb3144b44195bca7c50fdef4ca6bcec839f53020d7cd204014cb46b

      SHA512

      06c952b1ffbb6d1abe76851271333f98d284adf04b27de6a6ef557ff8e71aeca96df5618b8fd51f3262c45151adc9d68164a01404f73c9703cc6461ea71dad7e

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7ZYX2GVKWLJOKPDG5DG6.temp

      Filesize

      7KB

      MD5

      1d8bcdec944599a6c72a69c204a49110

      SHA1

      f91b48b42e31b2961969e5da02058faf85648db5

      SHA256

      291e73e128f74ce8f7d30cc736848425b54a090fea4d9242d7767ed204e58f0d

      SHA512

      327ae87dd530f9702c41153d57242274d41dba71aa85dd112690f98b9326351596b2734e7d4aadca77bbbf527b23a921a401fd8b2d53bf3e2df4b24d1dbf5efd

    • memory/2340-51-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-41-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-95-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-94-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-92-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-91-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-90-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-88-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-50-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-21-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-87-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-86-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-84-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-27-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-31-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-32-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-34-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-36-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-83-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-82-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-80-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-37-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2340-39-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-52-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-79-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-43-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-44-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-45-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-46-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-47-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-78-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-77-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-76-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-53-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-75-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-74-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-54-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-55-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-56-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-57-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-58-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-59-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-61-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-62-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-63-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-65-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-66-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-67-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-68-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-70-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-71-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-72-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2380-2-0x0000000004CE0000-0x0000000004D20000-memory.dmp

      Filesize

      256KB

    • memory/2380-3-0x0000000000760000-0x0000000000774000-memory.dmp

      Filesize

      80KB

    • memory/2380-4-0x0000000000930000-0x000000000093A000-memory.dmp

      Filesize

      40KB

    • memory/2380-5-0x0000000000940000-0x000000000094E000-memory.dmp

      Filesize

      56KB

    • memory/2380-6-0x0000000005050000-0x0000000005110000-memory.dmp

      Filesize

      768KB

    • memory/2380-42-0x00000000747E0000-0x0000000074ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/2380-7-0x00000000747E0000-0x0000000074ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/2380-0-0x0000000000CF0000-0x0000000000DF2000-memory.dmp

      Filesize

      1.0MB

    • memory/2380-8-0x0000000004CE0000-0x0000000004D20000-memory.dmp

      Filesize

      256KB

    • memory/2380-1-0x00000000747E0000-0x0000000074ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/2592-48-0x000000006F370000-0x000000006F91B000-memory.dmp

      Filesize

      5.7MB

    • memory/2592-26-0x000000006F370000-0x000000006F91B000-memory.dmp

      Filesize

      5.7MB

    • memory/2592-30-0x000000006F370000-0x000000006F91B000-memory.dmp

      Filesize

      5.7MB

    • memory/2592-35-0x0000000002720000-0x0000000002760000-memory.dmp

      Filesize

      256KB

    • memory/2688-23-0x000000006F370000-0x000000006F91B000-memory.dmp

      Filesize

      5.7MB

    • memory/2688-28-0x00000000025F0000-0x0000000002630000-memory.dmp

      Filesize

      256KB

    • memory/2688-33-0x000000006F370000-0x000000006F91B000-memory.dmp

      Filesize

      5.7MB

    • memory/2688-49-0x000000006F370000-0x000000006F91B000-memory.dmp

      Filesize

      5.7MB