Analysis

  • max time kernel
    56s
  • max time network
    59s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-08-2022 01:29

General

  • Target

    Remittance Copy_pdf.exe

  • Size

    712KB

  • MD5

    c7df9d8848c6c6dea9e0292ebdaad137

  • SHA1

    c4442176ea93ddb86d1fba5753ba55225ee2c796

  • SHA256

    1133c1d7d534c7b57c50869c73c5ac1c5bf2f9b2cf4fabadb7a0d3b4cac52754

  • SHA512

    5a4efb04841a0955e4c1c36b00a028e72b8f18c51cbf98738ac8d27164f76492cb9e4e4b72882b4eba879f63d368dd5df5051c24125dd109cf2bbe97342062ee

Score
10/10

Malware Config

Extracted

Family

remcos

Version

3.1.5 Pro

Botnet

NEWS

C2

catomaaaaa.freedynamicdns.org:6603

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-670V4G

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remittance Copy_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Remittance Copy_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    PID:3368
    • C:\Users\Admin\AppData\Local\Temp\Remittance Copy_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Remittance Copy_pdf.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3496
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\Photo"
      2⤵
        PID:2640
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\Photo\Photo.exe'" /f
        2⤵
          PID:3932
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\Photo\Photo.exe'" /f
            3⤵
            • Creates scheduled task(s)
            PID:4236
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\Remittance Copy_pdf.exe" "C:\Users\Admin\AppData\Roaming\Photo\Photo.exe"
          2⤵
            PID:3756
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe"
          1⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1924
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffe5afd4f50,0x7ffe5afd4f60,0x7ffe5afd4f70
            2⤵
              PID:4036
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1684 /prefetch:8
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:816
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1636 /prefetch:2
              2⤵
                PID:820
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2260 /prefetch:8
                2⤵
                  PID:3356
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2840 /prefetch:1
                  2⤵
                    PID:188
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2708 /prefetch:1
                    2⤵
                      PID:1200
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3672 /prefetch:1
                      2⤵
                        PID:1008
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4456 /prefetch:8
                        2⤵
                          PID:3516
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4604 /prefetch:8
                          2⤵
                            PID:3112
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4576 /prefetch:8
                            2⤵
                              PID:2164
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4900 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2640
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1628,3568438641921688660,11745318548024246447,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4832 /prefetch:8
                              2⤵
                                PID:2460

                            Network

                            MITRE ATT&CK Matrix ATT&CK v6

                            Execution

                            Scheduled Task

                            1
                            T1053

                            Persistence

                            Scheduled Task

                            1
                            T1053

                            Privilege Escalation

                            Scheduled Task

                            1
                            T1053

                            Discovery

                            Query Registry

                            1
                            T1012

                            System Information Discovery

                            1
                            T1082

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • \??\pipe\crashpad_1924_SONUNQOVVUMTCGOC
                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/2640-169-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/2640-171-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/2640-179-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/2640-175-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/2640-166-0x0000000000000000-mapping.dmp
                            • memory/3368-152-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-136-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-125-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-126-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-127-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-128-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-129-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-155-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-131-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-132-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-133-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-134-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-135-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-156-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-137-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-138-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-139-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-157-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-141-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-142-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-143-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-144-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-145-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-146-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-147-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-148-0x0000000000D50000-0x0000000000E08000-memory.dmp
                              Filesize

                              736KB

                            • memory/3368-149-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-150-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-151-0x0000000004ED0000-0x00000000053CE000-memory.dmp
                              Filesize

                              5.0MB

                            • memory/3368-117-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-123-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-154-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-130-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-124-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-140-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-158-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-159-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-160-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-161-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-162-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-163-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-118-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-119-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-122-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-178-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-120-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3368-121-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3496-182-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3496-165-0x000000000042F075-mapping.dmp
                            • memory/3496-167-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3496-168-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3496-185-0x0000000000400000-0x0000000000479000-memory.dmp
                              Filesize

                              484KB

                            • memory/3496-176-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3496-243-0x0000000000400000-0x0000000000479000-memory.dmp
                              Filesize

                              484KB

                            • memory/3496-164-0x0000000000400000-0x0000000000479000-memory.dmp
                              Filesize

                              484KB

                            • memory/3496-187-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3496-173-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3756-183-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3756-186-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3756-180-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3756-172-0x0000000000000000-mapping.dmp
                            • memory/3932-184-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3932-170-0x0000000000000000-mapping.dmp
                            • memory/3932-181-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3932-174-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/3932-177-0x0000000077C50000-0x0000000077DDE000-memory.dmp
                              Filesize

                              1.6MB

                            • memory/4236-217-0x0000000000000000-mapping.dmp