Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 02:07

General

  • Target

    ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe

  • Size

    1.2MB

  • MD5

    7066a1f0bfcd829977a1f51e4e65901a

  • SHA1

    49579e351edb9f73013d46b45ac4773377514df0

  • SHA256

    ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97

  • SHA512

    5ae2da2a904105114011c9dfb83b38682bae81b793bad24d087409cce5b741790e5340863f3be10299f51f8a25b5fd76dc8191260c543f650dc1740ef86daf8d

  • SSDEEP

    24576:uHSWToPA9LKWoJm7ccj/qoEoSrH9RJ3OIunJ:uHSgL28pErH9RJjQJ

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

fnbabsa.net:3366

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-0MSACQ

  • 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
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3412
      • C:\Users\Admin\AppData\Local\Temp\ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe
        "C:\Users\Admin\AppData\Local\Temp\ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3588
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:716
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:468

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      1c1299c2031151c00c441a64dec4b162

      SHA1

      03309b4229c6cb515d9af9a404fa940255d371bb

      SHA256

      fe1bd12669b4d1f7a8f5569bd69a9f23bbe3d0bc8f38135a3dfed71c6153efbf

      SHA512

      09e0e375ded1f6d4f68d02abdb9b61957974e4acf55310fa919ae07fdef3d3f1f13afbd57123984bc73f0a9e2c1988d44e49875eec41219c8cedc9e63c8ce860

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_olyzfqzd.qr4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/468-1149-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/468-1145-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/716-1121-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/716-1118-0x0000000006820000-0x000000000683E000-memory.dmp

      Filesize

      120KB

    • memory/716-1129-0x00000000078D0000-0x00000000078EA000-memory.dmp

      Filesize

      104KB

    • memory/716-1128-0x00000000077D0000-0x00000000077E4000-memory.dmp

      Filesize

      80KB

    • memory/716-1127-0x00000000077C0000-0x00000000077CE000-memory.dmp

      Filesize

      56KB

    • memory/716-1126-0x0000000007790000-0x00000000077A1000-memory.dmp

      Filesize

      68KB

    • memory/716-1125-0x0000000007810000-0x00000000078A6000-memory.dmp

      Filesize

      600KB

    • memory/716-1124-0x0000000007600000-0x000000000760A000-memory.dmp

      Filesize

      40KB

    • memory/716-1123-0x0000000007590000-0x00000000075AA000-memory.dmp

      Filesize

      104KB

    • memory/716-1122-0x0000000007BE0000-0x000000000825A000-memory.dmp

      Filesize

      6.5MB

    • memory/716-1088-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/716-1120-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/716-1119-0x0000000007460000-0x0000000007503000-memory.dmp

      Filesize

      652KB

    • memory/716-1131-0x00000000078B0000-0x00000000078B8000-memory.dmp

      Filesize

      32KB

    • memory/716-1107-0x0000000007420000-0x0000000007452000-memory.dmp

      Filesize

      200KB

    • memory/716-1108-0x0000000070770000-0x00000000707BC000-memory.dmp

      Filesize

      304KB

    • memory/716-1105-0x0000000006270000-0x00000000062BC000-memory.dmp

      Filesize

      304KB

    • memory/716-1104-0x0000000006250000-0x000000000626E000-memory.dmp

      Filesize

      120KB

    • memory/716-1094-0x0000000005B70000-0x0000000005EC4000-memory.dmp

      Filesize

      3.3MB

    • memory/716-1134-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/716-1092-0x0000000005A90000-0x0000000005AF6000-memory.dmp

      Filesize

      408KB

    • memory/716-1093-0x0000000005B00000-0x0000000005B66000-memory.dmp

      Filesize

      408KB

    • memory/716-1091-0x0000000005320000-0x0000000005342000-memory.dmp

      Filesize

      136KB

    • memory/716-1090-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/716-1089-0x0000000005460000-0x0000000005A88000-memory.dmp

      Filesize

      6.2MB

    • memory/716-1087-0x0000000002C50000-0x0000000002C86000-memory.dmp

      Filesize

      216KB

    • memory/3588-32-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-30-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-28-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-10-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-6-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-3-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-1077-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/3588-1079-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/3588-1078-0x0000000004D60000-0x0000000004DF8000-memory.dmp

      Filesize

      608KB

    • memory/3588-1080-0x0000000004CF0000-0x0000000004D3C000-memory.dmp

      Filesize

      304KB

    • memory/3588-1084-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/3588-1085-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/3588-1086-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/3588-52-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-62-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-4-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-8-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-12-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-14-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-16-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-20-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-22-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-26-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-40-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-1106-0x00000000751CE000-0x00000000751CF000-memory.dmp

      Filesize

      4KB

    • memory/3588-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

      Filesize

      4KB

    • memory/3588-34-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-36-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-38-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-42-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-44-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-46-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-48-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-50-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-54-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-56-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-58-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-64-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-1130-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/3588-66-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-60-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-24-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-1135-0x0000000006200000-0x00000000067A4000-memory.dmp

      Filesize

      5.6MB

    • memory/3588-1136-0x0000000005050000-0x00000000050A4000-memory.dmp

      Filesize

      336KB

    • memory/3588-1144-0x00000000751C0000-0x0000000075970000-memory.dmp

      Filesize

      7.7MB

    • memory/3588-18-0x0000000004BA0000-0x0000000004CB8000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-2-0x0000000004BA0000-0x0000000004CBE000-memory.dmp

      Filesize

      1.1MB

    • memory/3588-1-0x00000000000A0000-0x00000000001CE000-memory.dmp

      Filesize

      1.2MB