Overview

overview

10

Static

static

5

f2879faf87...57.exe

windows10-2004-x64

10

f2879faf87...57.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 10:33

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General

  • Target
    f2879faf8797dd9b9263ba313d4051393b72dba7b89ad29391ced81b14c44557.exe
  • Size 3.8MB
  • Sample261030-mlwc4sec25
  • SHA256 f2879faf8797dd9b9263ba313d4051393b72dba7b89ad29391ced81b14c44557
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryxmrigminerpersistenceprivilege_escalationspywarestealerupx

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • XMRig Miner payload 2 IoCs
    miner
  • Downloads MZ/PE file 1 IoCs
  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

    persistence
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • 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.

  • Drops file in System32 directory 21 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 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
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2879faf8797dd9b9263ba313d4051393b72dba7b89ad29391ced81b14c44557.exe
    "C:\Users\Admin\AppData\Local\Temp\f2879faf8797dd9b9263ba313d4051393b72dba7b89ad29391ced81b14c44557.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Roaming\240695734.tmp
      "C:\Users\Admin\AppData\Roaming\240695734.tmp"
      2⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Users\Admin\AppData\Local\Temp\smzonnsi.exe
        "C:\Users\Admin\AppData\Local\Temp\smzonnsi.exe"
        3⤵
        • Sets service image path in registry
        • Executes dropped EXE
        • Modifies registry class
        PID:1640

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Component Object Model Hijacking

        1
        T1546.015

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Component Object Model Hijacking

        1
        T1546.015

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Credentials from Password Stores

        1
        T1555

        Credentials from Web Browsers

        1
        T1555.003

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        System Network Configuration Discovery

        1
        T1016

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Web Service

        1
        T1102

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        45E8366EE34F5F79.dll
        • Path C:\ProgramData\314b2df66bf5b10b\45E8366EE34F5F79\45E8366EE34F5F79.dll
        • Size 3.6MB
        • SHA256 41a326b73e5366b72ef3cf64da5cc0380ee74b0679a8252be0c38325d69aecd1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        smzonnsi.exe
        • Path C:\Users\Admin\AppData\Local\Temp\smzonnsi.exe
        • Size 3.8MB
        • SHA256 6d0bcc54c16636963ce0c53962db2ab42815be0161b925e660031fabfe04b7d7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        240695734.tmp
        • Path C:\Users\Admin\AppData\Roaming\240695734.tmp
        • Size 42KB
        • SHA256 4bb459fa7fb3e451db2ce2f7967484d719f64dd12b8cf9cb1a6d12c54259b401
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2500-0-0x000002AD4F460000-0x000002AD4F4E4000-memory.dmp
        Download

        memory/2500-3-0x000002AD4F460000-0x000002AD4F4E4000-memory.dmp
        Download

        memory/2500-2-0x00007FF63A410000-0x00007FF63A669000-memory.dmp
        Download

        memory/2500-24-0x00007FF63A410000-0x00007FF63A669000-memory.dmp
        Download