General

  • Target

    362aadbd9dc628c321bc33892046b8c1.bin

  • Size

    2.3MB

  • Sample

    240630-b43pcsvgqj

  • MD5

    57004232eb885d71f38a74ef61d6c096

  • SHA1

    202213df94d2410141d778a74b97bf68e01f88ed

  • SHA256

    d363eecdcdb2fb1ffc8b07973fe1411f1714db4b87a3bc4c5771cf5ca5a07dc2

  • SHA512

    0578a29f6c24403201f888e6aa048ea8e31d53944765d1dc1de32a2cd2698d186589bb37b13a6eab060b57094b46f35948e7a9791b54150791317c094311e829

  • SSDEEP

    49152:LweNG0Av2wJC4uZB2qOeBe9G5A8dzbKj5dlLQvEFDUOpcJp:kTSWuZlOeU9Gq0vECJp

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

      11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

    • Size

      2.3MB

    • MD5

      362aadbd9dc628c321bc33892046b8c1

    • SHA1

      f8831ff7c1fa70f4d56985b08daada57758c3171

    • SHA256

      11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e

    • SHA512

      03a8100cd8cbd9a519e19922a1f29dfed84514b029e3e7dc6e6f76d45078deeb2703c074f8b8faaac9103302fc90a93d26a9302967f9b9c992b3ecd82437c9e9

    • SSDEEP

      49152:Cy78p6FyspLM6JZID0V1/VvzkUrJyORGcR5cD/96lehH8kRyMx:x78k/pLV7IozClcPY/wsZ1Z

    • 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