Analysis

  • user interaction
    yes
  • max time kernel
    35s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/05/2026, 17:13

General

  • Target
    Insidious.exe
  • Size 274KB
  • Sample260507-vrvb1aby2p
  • SHA256 214612d7548b6b3d3d27077a2b738c26b66d6c3d5a0e7029a354e8e5d0d473ee
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: 44Caliber

    An open source infostealer written in C#.

  • 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Insidious.exe
    "C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4368

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Process.txt

        • Path C:\Users\Admin\AppData\Local\44\Process.txt
        • Size 1KB
        • SHA256 bc2aa49290fa58e4a8d2cc6e722eb793cf8eb94a09e2ac2565571f79732ff5cb
        • MD5 SHA1 SHA512 TLSH

        memory/4368-0-0x0000019132670000-0x00000191326BA000-memory.dmp

        memory/4368-1-0x000001914D410000-0x000001914D420000-memory.dmp

        memory/4368-109-0x00000191343A0000-0x00000191343A8000-memory.dmp

        memory/4368-108-0x0000019134340000-0x000001913434C000-memory.dmp

        memory/4368-107-0x000001914CAE0000-0x000001914D21F000-memory.dmp