Analysis

  • max time kernel
    150s
  • max time network
    115s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 01:59

General

  • Target
    2026-05-28_10e0daeb19ffca4b02aa23ecd2c5960d_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
  • Size 27.7MB
  • Sample260528-cej2dse15s
  • SHA256 66b5429caaf1df60c4a0c6d59160af52330cba4f1f08a6c898ca55fd2be6b08c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-28_10e0daeb19ffca4b02aa23ecd2c5960d_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_10e0daeb19ffca4b02aa23ecd2c5960d_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\temp0a1.exe
      "C:\Windows\temp0a1.exe" ejecuta
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Users\Admin\AppData\Local\Temp\2026-05-28_10e0daeb19ffca4b02aa23ecd2c5960d_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
        C:\Users\Admin\AppData\Local\Temp\2026-05-28_10e0daeb19ffca4b02aa23ecd2c5960d_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
        3⤵
        • Executes dropped EXE
        PID:4952
  • C:\Windows\syswin.exe
    C:\Windows\syswin.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3476
    • C:\Windows\temp0a1.exe
      "C:\Windows\temp0a1.exe" ejecuta
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5988
      • C:\Windows\syswin.exe
        C:\Windows\syswin.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2720

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-05-28_10e0daeb19ffca4b02aa23ecd2c5960d_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-28_10e0daeb19ffca4b02aa23ecd2c5960d_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
        • Size 47KB
        • SHA256 1a85e0235f7f0f810b2b8c2b81351ab631dab5b351ffa30a49606682c8869a9c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bb.ico

        • Path C:\Windows\SysWOW64\bb.ico
        • Size 4KB
        • SHA256 823cbf89390733bd09d5541839786670d748064e50ff235928abd9e2433192b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 136B
        • SHA256 ae6acedf932451f3c99da4a2d15c70195783c395518d5acc8b19f68e0548a943
        • MD5 SHA1 SHA512 TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 21B
        • SHA256 13a086726f127d8d2684ff116268e09c4b485361c1baa427466f34461a454b15
        • MD5 SHA1 SHA512

        syswin.exe

        • Path C:\Windows\syswin.exe
        • Size 4.1MB
        • SHA256 332eee2e0c6d24704b8c805b890f48e0b21be5c041e7147258ddd3dbc2d1ec92
        • MD5 SHA1 SHA512 SSDEEP TLSH

        syswin.exe

        • Path C:\Windows\syswin.exe
        • Size 27.6MB
        • SHA256 4c9aa9aef24b32e787ee66b9b6831baeb98153370bb5158b401eedccbe3f0f52
        • MD5 SHA1 SHA512 SSDEEP TLSH

        temp0a1.exe

        • Path C:\Windows\temp0a1.exe
        • Size 27.7MB
        • SHA256 66b5429caaf1df60c4a0c6d59160af52330cba4f1f08a6c898ca55fd2be6b08c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2468-9-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3476-30-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/4952-15-0x00000189AB100000-0x00000189AB10E000-memory.dmp

        memory/5004-21-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5988-38-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5988-39-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5988-69-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5988-70-0x0000000000400000-0x0000000000414000-memory.dmp