Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 09:09

General

  • Target
    2026-04-15_1af2357c0ecbbce7625a7afa9ef6a0dc_amadey_avoslocker_darkgate_elex_glassworm_helldown_hijac.exe
  • Size 14.0MB
  • Sample260415-k4kcfsdv2x
  • SHA256 1b2d9ff7cb8507828d4026cd159871b746d80bff363034bffbf0546ef96f86cf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 3 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-15_1af2357c0ecbbce7625a7afa9ef6a0dc_amadey_avoslocker_darkgate_elex_glassworm_helldown_hijac.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-15_1af2357c0ecbbce7625a7afa9ef6a0dc_amadey_avoslocker_darkgate_elex_glassworm_helldown_hijac.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Users\Admin\AppData\Local\Temp\PDFSuite20\20.0.10.3169\A0A77282-5E24-45F1-8A97-C9AB6CD0627A\PDFSuite20.exe
      "C:\Users\Admin\AppData\Local\Temp\PDFSuite20\20.0.10.3169\A0A77282-5E24-45F1-8A97-C9AB6CD0627A\PDFSuite20.exe" /update=start /welcome
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5204
      • C:\Users\Admin\AppData\Local\Temp\PDFSuite20\20.0.52.3306\C9A26A8E-BBB3-4E21-BB44-07D0E5C760E5\PDFSuite20.exe
        "C:\Users\Admin\AppData\Local\Temp\PDFSuite20\20.0.52.3306\C9A26A8E-BBB3-4E21-BB44-07D0E5C760E5\PDFSuite20.exe" /update=finish /welcome
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5312

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        updates-info.json

        • Path C:\ProgramData\PDF Suite 20\Installation\updates-info.json
        • Size 2KB
        • SHA256 f1f1c2eb2fbac3a402e349e66159249773fabe6e8e14dd15d5a94d584a810786
        • MD5 SHA1 SHA512 TLSH

        8B2B9A00839EED1DFDCCC3BFC2F5DF12

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Size 1KB
        • SHA256 71ccd39de69ec147afd8ad4337a36829dcababbf40897250380c7770de551242
        • MD5 SHA1 SHA512 TLSH

        B46811C17859FFB409CF0E904A4AA8F8

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
        • Size 528B
        • SHA256 d2bb091268ade68ad8121d2184d0fbce128070156304bd4de312e6fbd267409c
        • MD5 SHA1 SHA512 TLSH

        8B2B9A00839EED1DFDCCC3BFC2F5DF12

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Size 174B
        • SHA256 c7adcfa57ff5bd76dde3f7b015955da4ddac2a7e04415291a9c57f946962f5a3
        • MD5 SHA1 SHA512 TLSH

        B46811C17859FFB409CF0E904A4AA8F8

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
        • Size 170B
        • SHA256 f4ccd56520877d3e3cf0f54b0a3c0c1787da079eb74b7b144b4213a2ab7ac165
        • MD5 SHA1 SHA512 TLSH

        PDFSuite20.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PDFSuite20\20.0.10.3169\A0A77282-5E24-45F1-8A97-C9AB6CD0627A\PDFSuite20.exe
        • Size 14.0MB
        • SHA256 1b2d9ff7cb8507828d4026cd159871b746d80bff363034bffbf0546ef96f86cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PDFSuite20.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PDFSuite20\20.0.52.3306\C9A26A8E-BBB3-4E21-BB44-07D0E5C760E5\PDFSuite20.exe
        • Size 12.4MB
        • SHA256 1fe48ed611690ccee1dade9c9ff9b52fe2c817b54a913ecc79b59acc9bfe6d74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5204-22-0x0000000004130000-0x0000000004150000-memory.dmp

        memory/5204-20-0x0000000004190000-0x00000000041B8000-memory.dmp

        memory/5204-21-0x0000000004B30000-0x0000000004B52000-memory.dmp

        memory/5204-62-0x0000000004190000-0x00000000041B8000-memory.dmp

        memory/5204-64-0x0000000004130000-0x0000000004150000-memory.dmp

        memory/5204-63-0x0000000004B30000-0x0000000004B52000-memory.dmp

        memory/5312-66-0x0000000004750000-0x000000000475E000-memory.dmp

        memory/5312-65-0x0000000004740000-0x0000000004748000-memory.dmp