Resubmissions

22/05/2026, 11:01

260522-m41qjsht3q

22/05/2026, 01:10

260522-bjb1xaet6110

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-uk
  • resource tags

    arch:x64arch:x86image:win11-20260513-uklocale:uk-uaos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 01:10

General

  • Target
    Synaptics.exe
  • Size 764KB
  • Sample260522-bjb1xaet61
  • SHA256 4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xred

C2
  • xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family
  • asyncrat

Botnet
  • Beyond

Attributes
  • c2_url_file

    https://rentry.co/Spread4Filly/raw

  • delay

    2

  • install

    true

  • install_file

    $77svchost.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • lumma

C2
  • https://wifeplasterbakewis.shop/api

  • https://mealplayerpreceodsju.shop/api

  • https://bordersoarmanusjuw.shop/api

  • https://suitcaseacanehalk.shop/api

  • https://absentconvicsjawun.shop/api

  • https://pushjellysingeywus.shop/api

  • https://economicscreateojsu.shop/api

  • https://entitlementappwo.shop/api

  • https://palmeventeryjusk.shop/api

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Family: Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Family: Xred

    Xred is backdoor written in Delphi.

  • Async RAT payload 1 IoCs
  • Downloads MZ/PE file 7 IoCs
  • Executes dropped EXE 14 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops file in System32 directory 5 IoCs
  • 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 9 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 3 IoCs
  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\Synaptics.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
      2⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Users\Admin\AppData\Local\Temp\Files\agent.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\agent.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:4960
      • C:\Users\Admin\AppData\Local\Temp\Files\CFXBypass.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\CFXBypass.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3316
      • C:\Users\Admin\AppData\Local\Temp\Files\btpc.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\btpc.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5104
      • C:\Users\Admin\AppData\Local\Temp\Files\keepvid-pro_full2578.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\keepvid-pro_full2578.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3992
        • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
          C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1528
      • C:\Users\Admin\AppData\Local\Temp\Files\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4504
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "$77svchost" /tr '"C:\Users\Admin\AppData\Roaming\$77svchost.exe"' & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5360
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "$77svchost" /tr '"C:\Users\Admin\AppData\Roaming\$77svchost.exe"'
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2824
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp50C1.tmp.bat""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3392
          • C:\Windows\system32\timeout.exe
            timeout 3
            5⤵
            • Delays execution with timeout.exe
            PID:1768
          • C:\Users\Admin\AppData\Roaming\$77svchost.exe
            "C:\Users\Admin\AppData\Roaming\$77svchost.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:5060
      • C:\Users\Admin\AppData\Local\Temp\Files\TempSpoofer.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\TempSpoofer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5124
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3460
  • C:\ProgramData\Synaptics\Synaptics.exe
    C:\ProgramData\Synaptics\Synaptics.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\SysWOW64\._cache_Synaptics.exe
      "C:\Windows\system32\._cache_Synaptics.exe"
      2⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\Files\MDClient.exe
        "C:\Windows\System32\Files\MDClient.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2940
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:5568
  • C:\Users\Admin\AppData\Roaming\$77svchost.exe
    "C:\Users\Admin\AppData\Roaming\$77svchost.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:416

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Synaptics.dll

        • Path C:\ProgramData\Synaptics\Synaptics.dll
        • Size 15KB
        • SHA256 b9eae90f8e942cc4586d31dc484f29079651ad64c49f90d99f86932630c66af2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 764KB
        • SHA256 4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ._cache_Synaptics.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        • Size 10KB
        • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        5E585E00

        • Path C:\Users\Admin\AppData\Local\Temp\5E585E00
        • Size 27KB
        • SHA256 818dae824d346983492112add2ccbcd7458420714fbb276907ba456bc121ec9f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CFXBypass.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\CFXBypass.exe
        • Size 36KB
        • SHA256 9df11356c5ac61d2aa7b5425e6322fc016b0ed5790dacb201396500b3eee03f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Round_Setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\Round_Setup.exe
        • Size 11KB
        • SHA256 3fe61f211905422f91d8882839e74047b55862b6f2a54a7ef4669d66629eb3d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TempSpoofer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\TempSpoofer.exe
        • Size 36KB
        • SHA256 c96e2c1035a72c1bef5ff5887998c54dd5ce758707c261977347107122963d1d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        agent.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\agent.exe
        • Size 6.0MB
        • SHA256 3e88c306194019cb3aeb0407b46f208dd14c3aabdcc28e8fb5e782670ce87b90
        • MD5 SHA1 SHA512 SSDEEP TLSH

        btpc.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\btpc.exe
        • Size 52KB
        • SHA256 82b8af3573d802255bb7d5ae34021502a8e7107cf3158aaa6d7f0029f7f52984
        • MD5 SHA1 SHA512 SSDEEP TLSH

        keepvid-pro_full2578.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\keepvid-pro_full2578.exe
        • Size 9.9MB
        • SHA256 9e86e4796a51e2cae9487ec086aa2159b65a037808e70a0e7dbaf5a946a8801e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\svchost.exe
        • Size 63KB
        • SHA256 01c295a6690c48ff3196ff3ef0fef7383bdba9beaa6dadf8426e689263be5e20
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_bu1apbsi.tnq.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bu1apbsi.tnq.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        hF3Smvj2.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\hF3Smvj2.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tmp50C1.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp50C1.tmp.bat
        • Size 154B
        • SHA256 d7a28686078fb8df491ea1900f833893f97bf1950201936d16efb87681ab68ef
        • MD5 SHA1 SHA512 TLSH

        MDClient.exe

        • Path C:\Windows\SysWOW64\Files\MDClient.exe
        • Size 554KB
        • SHA256 1fa15bcc25e702d940d76b98bd402d0783c25f60c1928ae7ed3612d1b9419d45
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/692-266-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/692-280-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/692-305-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/692-292-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/692-290-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/692-131-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/692-268-0x0000000002950000-0x000000000295A000-memory.dmp

        memory/1528-442-0x0000000000ED0000-0x0000000000F1F000-memory.dmp

        memory/1528-443-0x0000000000ED0000-0x0000000000F1F000-memory.dmp

        memory/2900-202-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/2940-327-0x0000000005E50000-0x0000000005E9C000-memory.dmp

        memory/2940-324-0x0000000000FB0000-0x0000000001040000-memory.dmp

        memory/2940-325-0x0000000005BC0000-0x0000000005C3C000-memory.dmp

        memory/2940-326-0x0000000005D40000-0x0000000005E18000-memory.dmp

        memory/3316-361-0x0000000002B70000-0x0000000002B92000-memory.dmp

        memory/3316-354-0x0000000000A50000-0x0000000000A60000-memory.dmp

        memory/3992-444-0x00007FF6EDA90000-0x00007FF6EE4D6000-memory.dmp

        memory/3992-441-0x00007FF6EDA90000-0x00007FF6EE4D6000-memory.dmp

        memory/4504-407-0x0000000000B30000-0x0000000000B46000-memory.dmp

        memory/4700-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

        memory/4700-127-0x0000000000400000-0x00000000004C5000-memory.dmp

        memory/4700-0-0x0000000002200000-0x0000000002201000-memory.dmp

        memory/5024-132-0x0000000000020000-0x0000000000028000-memory.dmp

        memory/5024-136-0x0000000004B00000-0x0000000004B9C000-memory.dmp

        memory/5104-369-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/5104-375-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/5124-419-0x0000000000380000-0x0000000000390000-memory.dmp

        memory/5568-187-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-189-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-186-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-190-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-264-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-188-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-191-0x00007FF7F3AC0000-0x00007FF7F3AD0000-memory.dmp

        memory/5568-192-0x00007FF7F3AC0000-0x00007FF7F3AD0000-memory.dmp

        memory/5568-265-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-263-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp

        memory/5568-262-0x00007FF7F6110000-0x00007FF7F6120000-memory.dmp