Overview

overview

10

Static

static

3

client.exe

windows11-21h2-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    54s
  • max time network
    32s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/10/2026, 14:18

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General

  • Target
    client.exe
  • Size 1.7MB
  • Sample261028-rmkp8acy2w
  • SHA256 5fa17def0c0596ed950f9bc37002f95da91a1208a94ec59d9d2383a20b0a22f2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryxorium_stealerstealer

Malware Config

Extracted

Family

  • xorium_stealer

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Signatures

  • Family: XoriumStealer

    XoriumStealer is an information stealer written in C#.

    stealerxorium_stealer
  • Executes dropped EXE 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\client.exe
    "C:\Users\Admin\AppData\Local\Temp\client.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Users\Admin\AppData\Local\Temp\vs5IzRZVop.exe
      "C:\Users\Admin\AppData\Local\Temp\vs5IzRZVop.exe"
      2⤵
      • Executes dropped EXE
      PID:3592

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        vanilla_c0.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_c0.shard.vanilla
        • Size 7B
        • SHA256 c47a1a96a2dc7bda58843e41aa26b2cd0fbe503d91b8b5772d95d3ea05814b26
        • MD5 SHA1 SHA512
        Submit Download

        vanilla_c1.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_c1.shard.vanilla
        • Size 7B
        • SHA256 0a737f1d4d9d7643a60171d462cbf3035d769c6ffe60e1e1b1f155d18e54089d
        • MD5 SHA1 SHA512
        Submit Download

        vanilla_c2.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_c2.shard.vanilla
        • Size 7B
        • SHA256 bd2b72d1f858e1926c4f744bfd293b20eed615ad4392de05b5b0c9130bd0a229
        • MD5 SHA1 SHA512
        Submit Download

        vanilla_c3.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_c3.shard.vanilla
        • Size 5B
        • SHA256 842393ffeda47dcf30c58b95933ce662250efc75ce41d37666f35d76916b5768
        • MD5 SHA1 SHA512
        Submit Download

        vanilla_t0.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_t0.shard.vanilla
        • Size 16B
        • SHA256 31b038e9fea0d72e007bc3245a078e29803eb6e13d4487f7ab5eec4cd8882a85
        • MD5 SHA1 SHA512
        Submit Download

        vanilla_t1.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_t1.shard.vanilla
        • Size 16B
        • SHA256 b0b7419fe31ca3ac552ff9ba3fe815bea9c52da5abf7aa19ee2d479937134410
        • MD5 SHA1 SHA512
        Submit Download

        vanilla_t2.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_t2.shard.vanilla
        • Size 16B
        • SHA256 c615abcd91400a8acd3c3f40e8984e4454a08cadbac3272312bb0dd00a4f35d4
        • MD5 SHA1 SHA512
        Submit Download

        vanilla_t3.shard.vanilla
        • Path C:\Users\Admin\AppData\Local\Temp\vanilla_t3.shard.vanilla
        • Size 14B
        • SHA256 fa7816a0503b733f4b7f3e1d30dc8e3e6e095029858d7ead32226a9f6e482b1a
        • MD5 SHA1 SHA512
        Submit Download

        vs5IzRZVop.exe
        • Path C:\Users\Admin\AppData\Local\Temp\vs5IzRZVop.exe
        • Size 267KB
        • SHA256 8c2a04ce8753c26732145520d5c3e0f45d9df574a5474d8b7d664ef033909367
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3592-20-0x00000256A45C0000-0x00000256A4606000-memory.dmp
        Download

        memory/3592-21-0x00000256BFA30000-0x00000256BFA40000-memory.dmp
        Download