Overview

overview

10

Static

static

3

541b6fee0d...be.exe

windows10-2004-x64

10

541b6fee0d...be.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    12/05/2026, 05:30

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General

  • Target
    541b6fee0d3a29a5e837e1b3d0376b3d06d3dd368ee7b820075ab1246622b2be.exe
  • Size 320KB
  • Sample260512-f7f2zsbs8m
  • SHA256 541b6fee0d3a29a5e837e1b3d0376b3d06d3dd368ee7b820075ab1246622b2be
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
botnetdiscoverymylobotpersistence

Malware Config

Extracted

Family

  • mylobot

C2

  • pqrqtaz.ru:9879

  • pickcas.ru:6464

  • quwkbin.ru:3496

  • rkbupij.ru:6653

  • pcqmayq.ru:3629

  • mmuliwe.ru:3541

  • stoizji.ru:5189

  • sfdfrhh.ru:3511

  • ynciazz.ru:4127

  • mkglhnw.ru:1946

  • njeeili.ru:9987

  • dldzeoo.ru:7525

  • tkbiqjq.ru:5145

  • uenosbl.ru:2935

  • faayshc.ru:9865

  • nttfazc.ru:6761

  • nfwsyog.ru:7172

  • uyfusxm.ru:7372

  • hxkclwx.ru:1294

  • zgoysam.ru:2338

Signatures

  • Family: Mylobot

    Botnet which first appeared in 2017 written in C++.

    botnetmylobot
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\541b6fee0d3a29a5e837e1b3d0376b3d06d3dd368ee7b820075ab1246622b2be.exe
    "C:\Users\Admin\AppData\Local\Temp\541b6fee0d3a29a5e837e1b3d0376b3d06d3dd368ee7b820075ab1246622b2be.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Local\Temp\541b6fee0d3a29a5e837e1b3d0376b3d06d3dd368ee7b820075ab1246622b2be.exe
      "C:\Users\Admin\AppData\Local\Temp\541b6fee0d3a29a5e837e1b3d0376b3d06d3dd368ee7b820075ab1246622b2be.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • Deletes itself
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3304

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        9124ad3c.exe
        • Path C:\ProgramData\{3C9B7DA3-35C1-AFB8-606D-52FEDC6E2561}\9124ad3c.exe
        • Size 320KB
        • SHA256 541b6fee0d3a29a5e837e1b3d0376b3d06d3dd368ee7b820075ab1246622b2be
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1652-1-0x0000000000400000-0x0000000000436000-memory.dmp
        Download

        memory/1652-2-0x0000000000400000-0x0000000000436000-memory.dmp
        Download

        memory/1652-3-0x0000000000400000-0x0000000000436000-memory.dmp
        Download

        memory/1652-12-0x0000000000400000-0x0000000000436000-memory.dmp
        Download

        memory/1652-14-0x0000000002300000-0x00000000023FE000-memory.dmp
        Download

        memory/2572-0-0x0000000000540000-0x0000000000541000-memory.dmp
        Download

        memory/2572-10-0x00000000008A0000-0x00000000008A1000-memory.dmp
        Download

        memory/3304-16-0x0000000000CC0000-0x0000000000CC1000-memory.dmp
        Download

        memory/4032-4-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download

        memory/4032-9-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download

        memory/4032-8-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download

        memory/4032-7-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download

        memory/4032-6-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download

        memory/4032-11-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download

        memory/4032-17-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download

        memory/4032-19-0x0000000003D80000-0x0000000003DBB000-memory.dmp
        Download

        memory/4032-5-0x00000000010E0000-0x0000000001116000-memory.dmp
        Download