Analysis

  • max time kernel
    40s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 07:04

General

  • Target
    2026-09-30_bcd7a5861c8fe5c3020df26640394624_elex_nymaim_remcos_smoke-loader_wapomi.exe
  • Size 836KB
  • Sample261001-hv7qaavye1
  • SHA256 4077ada343dd6861365f7d41b51c5529b803c38d236cac7e1c1a544d460abb34
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • sality

C2
  • http://89.119.67.154/testo5/

  • http://kukutrustnet777.info/home.gif

  • http://kukutrustnet888.info/home.gif

  • http://kukutrustnet987.info/home.gif

  • http://www.klkjwre9fqwieluoi.info/

  • http://kukutrustnet777888.info/

Extracted

Family
  • bdaejec

C2
  • ddos.dnsnb8.net

Signatures

  • Family: Bdaejec

    Bdaejec is a backdoor written in C++.

  • Family: Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Detects Bdaejec Backdoor. 2 IoCs

    Bdaejec is backdoor written in C++.

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with ASPack 4 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 59 IoCs
  • UPX dump on OEP (original entry point) 62 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 30 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 60 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1172
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:3044
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s webthreatdefusersvc
        1⤵
          PID:3104
        • C:\Windows\System32\ShellHost.exe
          "C:\Windows\System32\ShellHost.exe"
          1⤵
            PID:3460
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3280
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4384
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4452
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
                  1⤵
                    PID:4468
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:4820
                    • C:\Windows\system32\ctfmon.exe
                      /QuitInfo:0000000000000268;000000000000026C;
                      1⤵
                        PID:4936
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
                        1⤵
                          PID:5236
                        • C:\Windows\System32\smartscreen.exe
                          C:\Windows\System32\smartscreen.exe -Embedding
                          1⤵
                            PID:5304
                          • C:\Windows\System32\SecurityHealthSystray.exe
                            "C:\Windows\System32\SecurityHealthSystray.exe"
                            1⤵
                              PID:5340
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:2684
                                • C:\Windows\explorer.exe
                                  explorer.exe /LOADSAVEDWINDOWS
                                  2⤵
                                    PID:2568
                                    • C:\Users\Admin\AppData\Local\Temp\2026-09-30_bcd7a5861c8fe5c3020df26640394624_elex_nymaim_remcos_smoke-loader_wapomi.exe
                                      "C:\Users\Admin\AppData\Local\Temp\2026-09-30_bcd7a5861c8fe5c3020df26640394624_elex_nymaim_remcos_smoke-loader_wapomi.exe"
                                      3⤵
                                      • Modifies firewall policy service
                                      • UAC bypass
                                      • Windows security bypass
                                      • Windows security modification
                                      • Checks whether UAC is enabled
                                      • Enumerates connected drives
                                      • Drops file in Windows directory
                                      • System Location Discovery: System Language Discovery
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of AdjustPrivilegeToken
                                      • Suspicious use of WriteProcessMemory
                                      • System policy modification
                                      PID:4372
                                      • C:\Users\Admin\AppData\Local\Temp\WyknlR.exe
                                        C:\Users\Admin\AppData\Local\Temp\WyknlR.exe
                                        4⤵
                                        • Modifies firewall policy service
                                        • UAC bypass
                                        • Windows security bypass
                                        • Deletes itself
                                        • Executes dropped EXE
                                        • Windows security modification
                                        • Checks whether UAC is enabled
                                        • Enumerates connected drives
                                        • Drops file in Program Files directory
                                        • Reads the TCP/IP host and domain name from the registry
                                        • System Location Discovery: System Language Discovery
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of WriteProcessMemory
                                        • System policy modification
                                        PID:1964
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4cb0519b.bat" "
                                          5⤵
                                          • Executes a command shell one-liner
                                          PID:4556
                                • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                                  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                                  1⤵
                                    PID:1972
                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                    1⤵
                                      PID:2544

                                    Network

                                          MITRE ATT&CK Enterprise v16

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          Uninstall.exe

                                          • Path C:\PROGRAM FILES\7-ZIP\Uninstall.exe
                                          • Size 106KB
                                          • SHA256 b3213e7d5109b68bcee533f91a8ff4d861954c7dc7ea2bebc49de93451096672
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          k2[1].rar

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KNMT30O2\k2[1].rar
                                          • Size 1B
                                          • SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
                                          • MD5 SHA1 SHA512

                                          3C0614F3.exe

                                          • Path C:\Users\Admin\AppData\Local\Temp\3C0614F3.exe
                                          • Size 1B
                                          • SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
                                          • MD5 SHA1 SHA512

                                          4cb0519b.bat

                                          • Path C:\Users\Admin\AppData\Local\Temp\4cb0519b.bat
                                          • Size 187B
                                          • SHA256 d4c9ddcc4bf30932850f213ebd617753bc39c3e6c8a3226c6b5ad3b7d9a178fa
                                          • MD5 SHA1 SHA512 TLSH

                                          WyknlR.exe

                                          • Path C:\Users\Admin\AppData\Local\Temp\WyknlR.exe
                                          • Size 15KB
                                          • SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          SYSTEM.INI

                                          • Path C:\Windows\SYSTEM.INI
                                          • Size 257B
                                          • SHA256 145d6b3bbbcbf34fb1e847ad03b457b8fc96f456bb859156785a030ad59d7bdd
                                          • MD5 SHA1 SHA512 TLSH

                                          ondgf.pif

                                          • Path F:\ondgf.pif
                                          • Size 100KB
                                          • SHA256 4fd45beb5ca4ff7e319b120bd9f419179b04940fceaf5c8128630611079dce4c
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          memory/1964-121-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-42-0x0000000006250000-0x0000000006251000-memory.dmp

                                          memory/1964-137-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-135-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-132-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-141-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-20-0x00000000005B0000-0x00000000005B9000-memory.dmp

                                          memory/1964-130-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-129-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-128-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-125-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-122-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-123-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-143-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-120-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-36-0x00000000005B0000-0x00000000005B9000-memory.dmp

                                          memory/1964-39-0x0000000005FA0000-0x0000000005FA2000-memory.dmp

                                          memory/1964-139-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-118-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-117-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-105-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-41-0x0000000005FA0000-0x0000000005FA2000-memory.dmp

                                          memory/1964-115-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-110-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-145-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-114-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-148-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-113-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-112-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-111-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-108-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-63-0x00000000005B0000-0x00000000005B9000-memory.dmp

                                          memory/1964-107-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-109-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/1964-211-0x0000000006BA0000-0x0000000007C2E000-memory.dmp

                                          memory/4372-26-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-80-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-77-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-81-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-82-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-92-0x0000000002560000-0x0000000002562000-memory.dmp

                                          memory/4372-103-0x0000000000400000-0x00000000005BB000-memory.dmp

                                          memory/4372-88-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-84-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-72-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-68-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-65-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-62-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-60-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-58-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-57-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-48-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-47-0x0000000002560000-0x0000000002562000-memory.dmp

                                          memory/4372-45-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-43-0x0000000000400000-0x00000000005BB000-memory.dmp

                                          memory/4372-37-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-35-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-34-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-0-0x0000000000400000-0x00000000005BB000-memory.dmp

                                          memory/4372-25-0x00000000004A0000-0x00000000004A1000-memory.dmp

                                          memory/4372-9-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-23-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-24-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-14-0x0000000002560000-0x0000000002562000-memory.dmp

                                          memory/4372-15-0x0000000004510000-0x0000000004511000-memory.dmp

                                          memory/4372-17-0x0000000002560000-0x0000000002562000-memory.dmp

                                          memory/4372-16-0x0000000002560000-0x0000000002562000-memory.dmp

                                          memory/4372-13-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-11-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-12-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-8-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-10-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-5-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-6-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-7-0x0000000002580000-0x000000000360E000-memory.dmp

                                          memory/4372-3-0x0000000002580000-0x000000000360E000-memory.dmp