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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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) 51 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 13 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:1576
    • 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:2740
    • 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:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QfWagJoK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3CC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:1436

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC3CC.tmp

      Filesize

      1KB

      MD5

      d91989ce1021f72d94af823a030ef589

      SHA1

      791328db00b62e3e4b6be2af1f8130cf853e93b5

      SHA256

      d488cffffa6951fe207328a2d608eade58cf102271540382e94d636238d6f9cc

      SHA512

      e7fd1ae2ae6306d74a9fb0c8b3e5d67b1c9dd6395de1cf00d225340082d21be9ffd8568c68a151437cbc02cd8f9e8d41b0ca59c92631134b3ebe2d1051be5007

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\EIN1NYD7ZL3UN4BMNJ65.temp

      Filesize

      7KB

      MD5

      feac76e63bf53230eb051d9e972b5689

      SHA1

      4182672b3fc865cd3e16a362273b1ab9a1f11eec

      SHA256

      ec0d5455f7a30eb3bb5f1e2da3d23159d81c394565559d68c11bc9636ab748d6

      SHA512

      897c16c65aa359ba62fe9ce791063c40f1dfec5f75d87561da18360ae791b8a68ac37f05f991fea373ea80870bc25f28c86338bdf60abeb762839d3f51fd7372

    • memory/1436-49-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-70-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-23-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-91-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-90-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-89-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-88-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-25-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-26-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-28-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-27-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/1436-30-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-32-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-87-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-86-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-85-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-84-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-83-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-82-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-35-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-81-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-79-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-78-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-77-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-75-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-50-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-74-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-73-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-43-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-44-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-72-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-71-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-47-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-48-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-22-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-51-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-21-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-52-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-53-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-54-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-55-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-56-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-57-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-58-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-59-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-61-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-62-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-63-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-64-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-65-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-66-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-67-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1436-69-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1576-4-0x0000000000520000-0x000000000052A000-memory.dmp

      Filesize

      40KB

    • memory/1576-7-0x00000000747D0000-0x0000000074EBE000-memory.dmp

      Filesize

      6.9MB

    • memory/1576-1-0x00000000747D0000-0x0000000074EBE000-memory.dmp

      Filesize

      6.9MB

    • memory/1576-0-0x00000000001D0000-0x00000000002D2000-memory.dmp

      Filesize

      1.0MB

    • memory/1576-2-0x00000000020D0000-0x0000000002110000-memory.dmp

      Filesize

      256KB

    • memory/1576-3-0x00000000003B0000-0x00000000003C4000-memory.dmp

      Filesize

      80KB

    • memory/1576-8-0x00000000020D0000-0x0000000002110000-memory.dmp

      Filesize

      256KB

    • memory/1576-5-0x0000000000530000-0x000000000053E000-memory.dmp

      Filesize

      56KB

    • memory/1576-6-0x0000000004FD0000-0x0000000005090000-memory.dmp

      Filesize

      768KB

    • memory/1576-33-0x00000000747D0000-0x0000000074EBE000-memory.dmp

      Filesize

      6.9MB

    • memory/2712-46-0x000000006F530000-0x000000006FADB000-memory.dmp

      Filesize

      5.7MB

    • memory/2712-34-0x000000006F530000-0x000000006FADB000-memory.dmp

      Filesize

      5.7MB

    • memory/2712-40-0x0000000002740000-0x0000000002780000-memory.dmp

      Filesize

      256KB

    • memory/2712-37-0x0000000002740000-0x0000000002780000-memory.dmp

      Filesize

      256KB

    • memory/2712-38-0x000000006F530000-0x000000006FADB000-memory.dmp

      Filesize

      5.7MB

    • memory/2740-36-0x000000006F530000-0x000000006FADB000-memory.dmp

      Filesize

      5.7MB

    • memory/2740-39-0x000000006F530000-0x000000006FADB000-memory.dmp

      Filesize

      5.7MB

    • memory/2740-41-0x0000000002200000-0x0000000002240000-memory.dmp

      Filesize

      256KB

    • memory/2740-42-0x0000000002200000-0x0000000002240000-memory.dmp

      Filesize

      256KB

    • memory/2740-45-0x000000006F530000-0x000000006FADB000-memory.dmp

      Filesize

      5.7MB