Resubmissions

04/11/2026, 19:12

261104-xwzhmatzbs10

29/10/2026, 08:21

261029-j8981aav8y10

29/10/2026, 08:19

261029-j8as5sxze1

29/10/2026, 08:19

261029-j797lsxzez

15/08/2026, 21:19

260815-z592tshg57

12/05/2026, 09:30

260512-lghqsah14t

12/05/2026, 09:29

260512-lf4a4ad17m

11/05/2026, 13:07

260511-qcln4aaw4z

09/05/2026, 21:41

260509-1j69gsdv7w10

09/05/2026, 21:41

260509-1jyx4sdv7s

Analysis

  • max time kernel
    150s
  • max time network
    164s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/06/2025, 17:28

General

  • Target
    HYDRA.exe
  • Size 2.6MB
  • Sample250627-v1z9lsstdw
  • SHA256 f8c17cb375e8ccad5b0e33dae65694a1bd628f91cac6cf65dd11f50e91130c2d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2017

C2
  • http://92.53.105.14/

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HYDRA.exe
    "C:\Users\Admin\AppData\Local\Temp\HYDRA.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Roaming\yaya.exe
      C:\Users\Admin\AppData\Roaming\yaya.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5256
      • C:\Windows\Temp\{1945BBS40-8571-3DA1-BB29-HYDRA7A13A1E}\starter.exe
        "C:\Windows\Temp\{1945BBS40-8571-3DA1-BB29-HYDRA7A13A1E}\starter.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5332
        • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\lcgn37cc.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1700
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES91E1.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC91E0.tmp"
            5⤵
              PID:5320
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe"
            4⤵
              PID:4128
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe"
              4⤵
                PID:5692
          • C:\Users\Admin\AppData\Roaming\va.exe
            C:\Users\Admin\AppData\Roaming\va.exe
            2⤵
            • Drops startup file
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5972
          • C:\Users\Admin\AppData\Roaming\ufx.exe
            C:\Users\Admin\AppData\Roaming\ufx.exe
            2⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5252
            • C:\ProgramData\ucp\usc.exe
              "C:\ProgramData\ucp\usc.exe" /ucp/usc.exe
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2188
              • C:\Windows\SysWOW64\SCHTASKS.exe
                SCHTASKS /Create /SC MINUTE /MO 10 /F /TN SystemOptimize /TR C:\ProgramData\ucp\usc.exe
                4⤵
                • System Location Discovery: System Language Discovery
                • Scheduled Task/Job: Scheduled Task
                PID:4820
          • C:\Users\Admin\AppData\Roaming\sant.exe
            C:\Users\Admin\AppData\Roaming\sant.exe
            2⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:4840
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              3⤵
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              PID:6088
          • C:\Users\Admin\AppData\Roaming\power.exe
            C:\Users\Admin\AppData\Roaming\power.exe
            2⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4816
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:5856
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\hfgjereg\cwajufrj.exe
          1⤵
            PID:3176

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                usc.exe

                • Path C:\ProgramData\ucp\usc.exe
                • Size 4.0MB
                • SHA256 84d7fd0a93d963e9808212917f79fe2d485bb7fbc94ee374a141bbd15da725b7
                • MD5 SHA1 SHA512 SSDEEP

                RES91E1.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\RES91E1.tmp
                • Size 1KB
                • SHA256 13a5329935d4328325b7d50205e34072c37b7fdbc34de40adf1854b588c0d47f
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_gvktpucj.z3y.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gvktpucj.z3y.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                lcgn37cc.dll

                • Path C:\Users\Admin\AppData\Local\Temp\lcgn37cc.dll
                • Size 5KB
                • SHA256 f21bb894e2dad2e18a808c4b3c1f7a8b9580d5d5cde8722005f3758afbafeecc
                • MD5 SHA1 SHA512 SSDEEP

                lcgn37cc.pdb

                • Path C:\Users\Admin\AppData\Local\Temp\lcgn37cc.pdb
                • Size 7KB
                • SHA256 6f00a81b0554b0840ca4067ce7d7383562dc9c8551baaa99307ddbe4441e5db9
                • MD5 SHA1 SHA512 SSDEEP

                power.exe

                • Path C:\Users\Admin\AppData\Roaming\power.exe
                • Size 507KB
                • SHA256 1bee45423044b5a6bf0ad0dd2870117824b000784ce81c5f8a1b930bb8bc0465
                • MD5 SHA1 SHA512 SSDEEP

                sant.exe

                • Path C:\Users\Admin\AppData\Roaming\sant.exe
                • Size 12KB
                • SHA256 3fd826fc0c032721466b94ab3ec7dcfe006cc284e16132af6b91dfbc064b0907
                • MD5 SHA1 SHA512 SSDEEP

                ufx.exe

                • Path C:\Users\Admin\AppData\Roaming\ufx.exe
                • Size 960KB
                • SHA256 9e3826138bacac89845c26278f52854117db1652174c1c76dbb2bd24f00f4973
                • MD5 SHA1 SHA512 SSDEEP

                va.exe

                • Path C:\Users\Admin\AppData\Roaming\va.exe
                • Size 88KB
                • SHA256 3139bf3c4b958c3a019af512aecdb8161b9d6d7432d2c404abda3f42b63f34f1
                • MD5 SHA1 SHA512 SSDEEP

                yaya.exe

                • Path C:\Users\Admin\AppData\Roaming\yaya.exe
                • Size 1.7MB
                • SHA256 5c32e0d2a69fd77e85f2eecaabeb677b6f816de0d82bf7c29c9d124a818f424f
                • MD5 SHA1 SHA512 SSDEEP

                starter.exe

                • Path C:\Windows\Temp\{1945BBS40-8571-3DA1-BB29-HYDRA7A13A1E}\starter.exe
                • Size 80KB
                • SHA256 990dffdc0694858514d6d7ff7fff5dc9f48fab3aa35a4d9301d94fc57e346446
                • MD5 SHA1 SHA512 SSDEEP

                CSC91E0.tmp

                • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC91E0.tmp
                • Size 652B
                • SHA256 5ceaaf0b3bfea485e3501539cd82644a0e0dde5e5d84bc267d3e3e76e83a703b
                • MD5 SHA1 SHA512

                lcgn37cc.0.cs

                • Path \??\c:\Users\Admin\AppData\Local\Temp\lcgn37cc.0.cs
                • Size 4KB
                • SHA256 0b3a3f8f11eb6f50fe67943f2b73c5824614f31c2e0352cc234927d7cb1a52e0
                • MD5 SHA1 SHA512 SSDEEP

                lcgn37cc.cmdline

                • Path \??\c:\Users\Admin\AppData\Local\Temp\lcgn37cc.cmdline
                • Size 309B
                • SHA256 b323c307035989974a5e708528a00f1198f7ad6cfe919929d2913a4a17be7896
                • MD5 SHA1 SHA512

                memory/4816-78-0x0000000000400000-0x0000000000485000-memory.dmp

                memory/4816-100-0x0000000000400000-0x0000000000485000-memory.dmp

                memory/4840-88-0x0000000000400000-0x0000000000404000-memory.dmp

                memory/4840-87-0x0000000000460000-0x000000000046A000-memory.dmp

                memory/4840-36-0x0000000000460000-0x000000000046A000-memory.dmp

                memory/4840-22-0x0000000000460000-0x000000000046A000-memory.dmp

                memory/4840-18-0x0000000000400000-0x0000000000404000-memory.dmp

                memory/4840-79-0x0000000000460000-0x000000000046A000-memory.dmp

                memory/5256-48-0x0000000000400000-0x000000000047B000-memory.dmp

                memory/5332-58-0x000000001C020000-0x000000001C4EE000-memory.dmp

                memory/5332-60-0x000000001BB30000-0x000000001BB38000-memory.dmp

                memory/5332-74-0x000000001C5A0000-0x000000001C5A8000-memory.dmp

                memory/5332-59-0x000000001C4F0000-0x000000001C58C000-memory.dmp

                memory/5856-102-0x0000000005610000-0x0000000005C3A000-memory.dmp

                memory/5856-106-0x0000000005E80000-0x00000000061D7000-memory.dmp

                memory/5856-117-0x0000000006940000-0x0000000006986000-memory.dmp

                memory/5856-116-0x0000000006410000-0x000000000645C000-memory.dmp

                memory/5856-115-0x0000000006380000-0x000000000639E000-memory.dmp

                memory/5856-101-0x0000000002B80000-0x0000000002BB6000-memory.dmp

                memory/5856-104-0x0000000005DA0000-0x0000000005E06000-memory.dmp

                memory/5856-103-0x0000000005C40000-0x0000000005C62000-memory.dmp

                memory/5856-105-0x0000000005E10000-0x0000000005E76000-memory.dmp

                memory/5972-21-0x0000000000400000-0x000000000041C000-memory.dmp

                memory/6088-82-0x00000000010D0000-0x00000000010DA000-memory.dmp

                memory/6088-81-0x00000000009A0000-0x0000000000DCC000-memory.dmp

                memory/6088-80-0x00000000009A0000-0x0000000000DCC000-memory.dmp

                memory/6088-94-0x00000000010D0000-0x00000000010DA000-memory.dmp

                memory/6088-92-0x00000000010D0000-0x00000000010DA000-memory.dmp