General

  • Target

    91ee6b5a2720871083146d835a6b9ed92344761d94a6c1b2ea3b01b140a0bca3.exe

  • Size

    1.8MB

  • Sample

    240921-bwanlsyfpq

  • MD5

    156de7093f2e1e1b64380df69e061482

  • SHA1

    97412367b23ee5acc56ac1b57713aad3b749ec40

  • SHA256

    91ee6b5a2720871083146d835a6b9ed92344761d94a6c1b2ea3b01b140a0bca3

  • SHA512

    a7bf067b1956c6f107a49cf542418762326c77155ca633b0b189cfbee4848bc9a96a85cf89e890c6cf8646e87bb19d13f91847a3483d033c65b9934c78aa0df4

  • SSDEEP

    49152:4XA2cytA3kEGQwZbReaFD5hgKZuBxkrsQ+0VmJG:4JftkwQibReaF9hgVB6rsQ+EmJG

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Extracted

Family

stealc

Botnet

dear

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      91ee6b5a2720871083146d835a6b9ed92344761d94a6c1b2ea3b01b140a0bca3.exe

    • Size

      1.8MB

    • MD5

      156de7093f2e1e1b64380df69e061482

    • SHA1

      97412367b23ee5acc56ac1b57713aad3b749ec40

    • SHA256

      91ee6b5a2720871083146d835a6b9ed92344761d94a6c1b2ea3b01b140a0bca3

    • SHA512

      a7bf067b1956c6f107a49cf542418762326c77155ca633b0b189cfbee4848bc9a96a85cf89e890c6cf8646e87bb19d13f91847a3483d033c65b9934c78aa0df4

    • SSDEEP

      49152:4XA2cytA3kEGQwZbReaFD5hgKZuBxkrsQ+0VmJG:4JftkwQibReaF9hgVB6rsQ+EmJG

    • 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

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks