Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/05/2026, 14:50

General

  • Target
    put34b.dll
  • Size 4.4MB
  • Sample260506-r7nbvads21
  • SHA256 639e8f4d707aa97d8d768ef238e485e0c5f25b13546eb9a73f30058e992e9806
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • snappyclient

Attributes
  • additional_fields

    false

  • buildID

    Dang

  • cache_directory

    ifeapspaithy

  • default_directory

    %LOCALAPPDATA%\SonarServiceWr

  • directory

    Didi

  • events_db

    Vukirah

  • keylogger_file

    Gore

  • shared_memory

    true

  • software_db

    Tayu

  • tag

    Dang

Signatures

  • Family: SnappyClient

    SnappyClient is a C2 framework with information stealing capabilities, written in C++.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs
  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 14 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3128
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\put34b.dll,#1
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1872
        • C:\Windows\SysWOW64\dllhost.exe
          C:\Windows\SysWOW64\dllhost.exe
          3⤵
            PID:4376
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe
          2⤵
          • Badlisted process makes network request
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2536
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            C:\Program Files\Google\Chrome\Application\chrome.exe
            3⤵
              PID:4520
            • C:\Windows\SysWOW64\dllhost.exe
              "C:\Windows\SysWOW64\dllhost.exe"
              3⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3736
            • C:\Windows\SysWOW64\dllhost.exe
              "C:\Windows\SysWOW64\dllhost.exe"
              3⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4092
          • C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\vlc.exe
            "C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\vlc.exe"
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:4340
            • C:\Windows\SysWOW64\explorer.exe
              "C:\Windows\SysWOW64\explorer.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: AddClipboardFormatListener
              • Suspicious behavior: EnumeratesProcesses
              PID:808
          • C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\pythonw.exe
            "C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\pythonw.exe" "C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\helper.py"
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:1388
        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
          1⤵
            PID:1064
          • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
            "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
            1⤵
              PID:4944
            • C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\vlc.exe
              C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\vlc.exe
              1⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:1004
              • C:\Windows\SysWOW64\explorer.exe
                "C:\Windows\SysWOW64\explorer.exe"
                2⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                PID:14140
            • C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\pythonw.exe
              C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\pythonw.exe
              1⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:15876

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  dllhost.exe.log

                  • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dllhost.exe.log
                  • Size 1KB
                  • SHA256 591221b615bc82e00b77e5e46777bb7c12b019e677dc1baba8c1122066c22dc9
                  • MD5 SHA1 SHA512 TLSH

                  _ctypes.pyd

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\_ctypes.pyd
                  • Size 122KB
                  • SHA256 ddaf9dcd69a2c34c53e18c53127009c070a8773ee668c975cb0b174ca24b4f11
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  dfrqwqxjx.zip

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\dfrqwqxjx.zip
                  • Size 2.8MB
                  • SHA256 1e663406ce56626f169de287f8747cc05813a7c986707ed3b251e017f4ad2c49
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  helper.py

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\helper.py
                  • Size 4.3MB
                  • SHA256 a5691a4fc69faa4f0fe08f12347783e1dde3c617552be7efd1c5ed89a793e885
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  libffi-8.dll

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\libffi-8.dll
                  • Size 34KB
                  • SHA256 b982741576a050860c3f3608c7b269dbd35ab296429192b8afa53f1f190069c0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  libvlc.dll

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\libvlc.dll
                  • Size 179KB
                  • SHA256 a27fcf98acdaa19cc3363846b6d66a3183fcf1cae778aca1dcc10552f738afb7
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  libvlccore.dll

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\libvlccore.dll
                  • Size 6.9MB
                  • SHA256 46add4a5fb2da6fe12759a06fe1c6bc43e987da3ea7c28bff0a7f2a349088f0d
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  python3.DLL

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\python3.DLL
                  • Size 72KB
                  • SHA256 6e18677c3575cc0271644a51d916bc77477085c66bf94532e11388634746a27f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  python315._pth

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\python315._pth
                  • Size 80B
                  • SHA256 c7f3432f90e8f04c78ff2cef76cf51e50a13ed922f0bcc63fa34aa4decc5770c
                  • MD5 SHA1 SHA512 TLSH

                  python315.dll

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\python315.dll
                  • Size 6.1MB
                  • SHA256 fe9ea3f981b17e53f1e68d2538fb7238f6219fa02c4ee0dcc41045caa4f36cc0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  python315.zip

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\python315.zip
                  • Size 4.5MB
                  • SHA256 4b217540ae27def5a1dd31bdc21d3d6ed5aa94285f44786ddfd9004d02d405e0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  pythonw.exe

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\pythonw.exe
                  • Size 99KB
                  • SHA256 621840d8a08954eb2eb76eb5ef155028892ffd74727928cbbdb4c8445a7c510d
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  vcruntime140.dll

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\vcruntime140.dll
                  • Size 88KB
                  • SHA256 bf33857f46e56ea7930c1eea25c5f7175a6aaa3df36bf8301a785e6ca726a0b9
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  vlc.exe

                  • Path C:\Users\Admin\AppData\Roaming\Sun\Java\04990D5B\vlc.exe
                  • Size 1009KB
                  • SHA256 a0706de5c6c1b2845c0730135628e05bfcf536fea5f7c64d3681ce289cfa410f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  ~DFE6A039C8.tmp

                  • Path C:\Windows\Temp\~DFE6A039C8.tmp
                  • Size 3.7MB
                  • SHA256 d47cdff901bba808d52c4249730f02b326e1ac05cb9fde904d966544d4c9c0f1
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/1872-35-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-48-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-31-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-30-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-29-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-28-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-27-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-26-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-25-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-24-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-23-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-22-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-21-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-20-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-19-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-18-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-17-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-16-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-15-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-14-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-10-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-9-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-8-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-36-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-39-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-38-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-37-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-34-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-41-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-54-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-53-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-52-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-51-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-50-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-49-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-33-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-45-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-40-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-47-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-55-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-46-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-44-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-43-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-42-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-56-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-57-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-59-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-58-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-61-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-62-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-60-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-63-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-0-0x000001AA8FE50000-0x000001AA8FE51000-memory.dmp

                  memory/1872-32-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-11-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-12-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-13-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-4-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-5-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-6-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-7-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-3-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-1-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/1872-2-0x000001AAD69D0000-0x000001AAD69D1000-memory.dmp

                  memory/3736-2346-0x0000000004B80000-0x0000000004BBE000-memory.dmp

                  memory/3736-2350-0x0000000004D30000-0x0000000004DA6000-memory.dmp

                  memory/3736-2351-0x0000000005100000-0x000000000511E000-memory.dmp

                  memory/3736-2352-0x00000000053F0000-0x0000000005402000-memory.dmp

                  memory/4092-2348-0x0000000002EF0000-0x0000000002F58000-memory.dmp

                  memory/4092-2349-0x0000000002FB0000-0x0000000002FB6000-memory.dmp