Analysis

  • max time kernel
    1048s
  • max time network
    1034s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2024 13:11

General

  • Target

    jhl_service.exe

  • Size

    3.5MB

  • MD5

    2e5655f2cfebe6357e6388e678f3c073

  • SHA1

    f1d6b68d73a8da906368837c1cde74a26a900858

  • SHA256

    3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d

  • SHA512

    13477f0bc9a73809e7b069dc441c7fb0023178811f4fe3f39ccbc4b4c412516b612439d8025b0c79c33201c791b343cdcf7dec4a3fe7eabcd3e28b1cf520747f

  • SSDEEP

    98304:cUROmKjJqajychmAfNKcA+hv5r61JD4XEdGic/7FW:TsqzcEAfhrr0D4UdGb/hW

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.101.172:9674

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

    Log

  • keylog_path

    %Temp%

  • mouse_option

    false

  • mutex

    Rmc-54ZTI0

  • 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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 1 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 30 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 30 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
    "C:\Users\Admin\AppData\Local\Temp\jhl_service.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
      C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\awirqordrk"
      2⤵
        PID:2168
      • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
        C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\cqobrgjxfsoed"
        2⤵
          PID:2872
        • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
          C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\nstuszuytagjgreoa"
          2⤵
            PID:2428
          • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
            C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\scuepyrec"
            2⤵
              PID:2300
            • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
              C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\uwzpqicfqmvu"
              2⤵
                PID:1932
              • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\fynhqbnzevnzpsp"
                2⤵
                  PID:2328
                • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                  C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\zfbz"
                  2⤵
                    PID:1412
                  • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                    C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\jhgroas"
                    2⤵
                      PID:2668
                    • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                      C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\mbtkoscfch"
                      2⤵
                        PID:3020
                      • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                        C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\gqhblrxrpefdzhbhgmkcoizzlumuqf"
                        2⤵
                          PID:2756
                        • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                          C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\rtumlkhtdmxibvxlxxwvzntqubvdrqnfa"
                          2⤵
                            PID:1624
                          • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                            C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\bnaem"
                            2⤵
                              PID:1912
                            • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                              C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\vcowibeyfrugycpdimxqsbsho"
                              2⤵
                                PID:780
                              • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\gwbojtpztzmtaidhrwkjdomqozbz"
                                2⤵
                                  PID:1552
                                • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                  C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\iyghkmitpheykwzlihelgshgxgsifdgg"
                                  2⤵
                                    PID:2276
                                  • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                    C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\nhhjhdfgqlawzdsvtexfggf"
                                    2⤵
                                      PID:2420
                                    • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                      C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\ybnbivqaeusjjkozcpszrlagrey"
                                      2⤵
                                        PID:2952
                                      • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                        C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\aesujoabscknlqcltaeauyuxatimtp"
                                        2⤵
                                          PID:2432
                                        • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                          C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\utomfuvngyohxrhrme"
                                          2⤵
                                            PID:2324
                                          • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                            C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\fntegnggcggmifvvepfvvm"
                                            2⤵
                                              PID:2292
                                            • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                              C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\phzpgxqiqoyyklrznzsoyrnxu"
                                              2⤵
                                                PID:1556
                                              • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\kwugdeltdldswm"
                                                2⤵
                                                  PID:2008
                                                • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                  C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\myazdwvnrtvxgskjx"
                                                  2⤵
                                                    PID:1480
                                                  • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                    C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\wsnrepgpfbnbjggnphnc"
                                                    2⤵
                                                      PID:1648
                                                    • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                      C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\rhbjbosat"
                                                      2⤵
                                                        PID:444
                                                      • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                        C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\bcgbbgdupgja"
                                                        2⤵
                                                          PID:1604
                                                        • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                          C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\eeumczovcobnhum"
                                                          2⤵
                                                            PID:1892
                                                          • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                            C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\jnvwzqt"
                                                            2⤵
                                                              PID:1540
                                                            • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                              C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\thaoaiecsb"
                                                              2⤵
                                                                PID:952
                                                              • C:\Users\Admin\AppData\Local\Temp\jhl_service.exe
                                                                C:\Users\Admin\AppData\Local\Temp\jhl_service.exe /stext "C:\Users\Admin\AppData\Local\Temp\vjfzbbowgjicqv"
                                                                2⤵
                                                                  PID:2632

                                                              Network

                                                              MITRE ATT&CK Enterprise v15

                                                              Replay Monitor

                                                              Loading Replay Monitor...

                                                              Downloads

                                                              • C:\Users\Admin\AppData\Local\Temp\Log\logs.dat

                                                                Filesize

                                                                230B

                                                                MD5

                                                                817ad332ae9bf624907988bceb5714cb

                                                                SHA1

                                                                172ccd6f67e49f809d021923bc323d75ad5d0f8e

                                                                SHA256

                                                                2f60f6b98bbbd5f80f61b170d6236fc5fd3becb69e3a2402cd9533030f06ee97

                                                                SHA512

                                                                d1a8e57720684a10dbe7bdefe1cab939edb529ae52575b249069e83ed6d31a0900dce66831ed6441ebc0d096521642695f87ae6f3202394abebd3d849aeb6d4b

                                                              • C:\Users\Admin\AppData\Local\Temp\Log\logs.dat

                                                                Filesize

                                                                144B

                                                                MD5

                                                                907e962b1333c14ca86c60f9c4127c5e

                                                                SHA1

                                                                5916a7ce491d32718c80b78f52ed9add0763fc6e

                                                                SHA256

                                                                6bd0009e2a96d0aadcebabef56f60056a245cd8344d3ffdaabb3c8f3cd6f102c

                                                                SHA512

                                                                ebaa4a57fbadb34a92c9e319c011c16d43c2bfd646ebbdf39832ad2283dcc66689dc126a40ba87f22b88b8b14b92a950dfeacfc3ee25ded74123d791028f0e77

                                                              • \Users\Admin\AppData\Local\Temp\57613b55.dll

                                                                Filesize

                                                                8KB

                                                                MD5

                                                                e1db733e43aa8d065fb7e8669db76524

                                                                SHA1

                                                                3f9c62ee28959959271632fdc7f5387d539a1d23

                                                                SHA256

                                                                9e65d9e8ebb895f3b03c95ce64f044c70251fff444a4bcbee83f558b599a614d

                                                                SHA512

                                                                3f6106f32932e72d197865f7b796eba072c8ab20c22b4d205f27de9b9fc6c139be8450ae25541fbdac37a06bc3ec2d1fab3f9b3216201a9231b70fcde6fb8eb3

                                                              • memory/2168-58-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/2168-60-0x0000000000400000-0x0000000000478000-memory.dmp

                                                                Filesize

                                                                480KB

                                                              • memory/2300-69-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/2428-66-0x0000000000400000-0x0000000000424000-memory.dmp

                                                                Filesize

                                                                144KB

                                                              • memory/2796-41-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-44-0x00000000000E0000-0x0000000000A42000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-22-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-21-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-20-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-19-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-18-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-15-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-14-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-13-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-12-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-11-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-10-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-9-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-8-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-7-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-6-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-4-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-3-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-37-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-42-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-0-0x00000000000E0000-0x0000000000A42000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-38-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-36-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-25-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-23-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-43-0x00000000000E0000-0x0000000000A42000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-46-0x0000000076301000-0x0000000076302000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/2796-45-0x00000000000E0000-0x0000000000A42000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-48-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-47-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-50-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-49-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-52-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-56-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-57-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-24-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-16-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-1-0x0000000076301000-0x0000000076302000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/2796-17-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-67-0x0000000007E80000-0x00000000087E2000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-5-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-75-0x0000000007E80000-0x00000000087E2000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-76-0x0000000007E80000-0x00000000087E2000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-85-0x0000000007E80000-0x00000000087E2000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-86-0x0000000007E80000-0x00000000087E2000-memory.dmp

                                                                Filesize

                                                                9.4MB

                                                              • memory/2796-2-0x00000000762F0000-0x0000000076400000-memory.dmp

                                                                Filesize

                                                                1.1MB

                                                              • memory/2796-112-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2796-113-0x0000000010000000-0x000000001007F000-memory.dmp

                                                                Filesize

                                                                508KB

                                                              • memory/2872-63-0x0000000000400000-0x0000000000462000-memory.dmp

                                                                Filesize

                                                                392KB