General

  • Target

    7d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d

  • Size

    2.4MB

  • Sample

    240701-pp14wavfmk

  • MD5

    b58a3998f5ce749fd2dd6b8651fde46c

  • SHA1

    94bac5909d2b5f2313d810f04587db3c67c9dd5a

  • SHA256

    7d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d

  • SHA512

    db074390fe7b8dfa26a10d0dcca56f3d66d72eba96ddc6b7650e7b8c45e0de58805abe43d8f93e3291687ff075d900676552d6a3f7ac3c7b2d388c9f52111da4

  • SSDEEP

    49152:z9hJ4NktFt2HtfCdk11Twmv7HjUYqG/jZ2h1gd6X0145:/WNkLEJC8T9LnqG70h1fX014

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Targets

    • Target

      7d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d

    • Size

      2.4MB

    • MD5

      b58a3998f5ce749fd2dd6b8651fde46c

    • SHA1

      94bac5909d2b5f2313d810f04587db3c67c9dd5a

    • SHA256

      7d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d

    • SHA512

      db074390fe7b8dfa26a10d0dcca56f3d66d72eba96ddc6b7650e7b8c45e0de58805abe43d8f93e3291687ff075d900676552d6a3f7ac3c7b2d388c9f52111da4

    • SSDEEP

      49152:z9hJ4NktFt2HtfCdk11Twmv7HjUYqG/jZ2h1gd6X0145:/WNkLEJC8T9LnqG70h1fX014

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

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

    • Downloads MZ/PE file

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Tasks