Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 23:23

General

  • Target
    2026-07-27_ab220bd756874cc7d55959e4ac3200be_cobalt-strike_elex_icedid_njrat_vidar.exe
  • Size 4.8MB
  • Sample260727-3dd2vstbmd
  • SHA256 45511834a81d879998752fe3088296dca45e60aca5e9a68f45c73ffbe1c0be48
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 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 6 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 WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-27_ab220bd756874cc7d55959e4ac3200be_cobalt-strike_elex_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_ab220bd756874cc7d55959e4ac3200be_cobalt-strike_elex_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5076
    • 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
      PID:3312
  • C:\Windows\monW32.exe
    C:\Windows\monW32.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5496
    • 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
      PID:2108

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        IntegratedOffice.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe
        • Size 8.9MB
        • SHA256 8b6493f96e08716ff91b111de8ad9b780cf5d85fa330f6768ebe6ad17da1d459
        • 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 119B
        • SHA256 5d2aa89a508a8bca015553fbf85ee63e4f2c0d7d38052a9439468c2e7544f95a
        • MD5 SHA1 SHA512 TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 21B
        • SHA256 cc16f679be68c082fa2134815ed893029cf8c237def8b3c6a094b853ae2a24c6
        • MD5 SHA1 SHA512

        monW32.exe

        • Path C:\Windows\monW32.exe
        • Size 4.8MB
        • SHA256 e8b322b5457317af425f04d0ff77b10ec801fd7792664ab0e43159a1308bdf2e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        temp0a1.exe

        • Path C:\Windows\temp0a1.exe
        • Size 4.8MB
        • SHA256 45511834a81d879998752fe3088296dca45e60aca5e9a68f45c73ffbe1c0be48
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2108-12-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2108-13-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2108-14-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2108-41-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2108-45-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3312-7-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5076-2-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5496-10-0x0000000000400000-0x0000000000414000-memory.dmp