General

  • Target

    bc6ca29ebc9460bfbd2d01913a31a73c0f75fe66d3bb515813fd66b46527a0e8.zip

  • Size

    1.8MB

  • Sample

    250209-mlqsmavjav

  • MD5

    b3833b0f99812fee7635b8cee26d0974

  • SHA1

    89d1608c4bcbd30b5e81b4bce2fb0ce4dec677ce

  • SHA256

    356c422e531ec2eebc158f3a86798f24510cd629584ad10f575d574b031659e5

  • SHA512

    d9bb8090d5707fcaf8b90900feb629059b1427cc08d1a2d6403ffd7fe53314092131f4eb4c70c9e699293d7cbc80eb3ff8d3131691d6ef75c9d5f67f4c1438c5

  • SSDEEP

    49152:3tMNfqu9VmKAhe205PSjCAra5Zmib0lw6Js9V:dgqu3mfM5rAra/mhlpJs9V

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      bc6ca29ebc9460bfbd2d01913a31a73c0f75fe66d3bb515813fd66b46527a0e8.exe

    • Size

      2.0MB

    • MD5

      1c2a965503442aefec5a31cc9a77bc8a

    • SHA1

      c789388b2281acb363f903d4b34a245e8276df67

    • SHA256

      bc6ca29ebc9460bfbd2d01913a31a73c0f75fe66d3bb515813fd66b46527a0e8

    • SHA512

      f799bde5edbdda7fd81ab832df8362e48b65977205a2bbea9aed7c651921b45fa0ed60f03080ee4401bbddacb9a7e2ce4f56fa948984d9391790a2b485ec5de3

    • SSDEEP

      49152:tMWZUA6jGrqAu8CfGy2JxISM/B6/wPe+YrnAVqoizLlf5nGU3n:hf+uFbISMY/wPeDAYzL/nGU

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks