General

  • Target

    c8bbd42095114a10831ebd50c9277750N.exe

  • Size

    1.8MB

  • Sample

    240913-jrfcasscnl

  • MD5

    c8bbd42095114a10831ebd50c9277750

  • SHA1

    c297ee628697e7ff043ec4f29a39091811f716df

  • SHA256

    638175129f017c1f0035cef4d432f07134bdf1e0564539cfc832e14229fe2be0

  • SHA512

    cc4f5ef6041e624823ac2a86364f0880783353c525d6c39272e3f79d07ce3b1702ba6e0df4faa5a34527b368d59d20e51f5e6c44dd4837e3d500d53954de4ca6

  • SSDEEP

    49152:9FNHLo362/P4hLrf1FAhqAc4eBmY8vZpY1yd8agRP5MtwpAc:9rHkx/ghLrfBAc4KmYU+8d8agB5M0

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

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      c8bbd42095114a10831ebd50c9277750N.exe

    • Size

      1.8MB

    • MD5

      c8bbd42095114a10831ebd50c9277750

    • SHA1

      c297ee628697e7ff043ec4f29a39091811f716df

    • SHA256

      638175129f017c1f0035cef4d432f07134bdf1e0564539cfc832e14229fe2be0

    • SHA512

      cc4f5ef6041e624823ac2a86364f0880783353c525d6c39272e3f79d07ce3b1702ba6e0df4faa5a34527b368d59d20e51f5e6c44dd4837e3d500d53954de4ca6

    • SSDEEP

      49152:9FNHLo362/P4hLrf1FAhqAc4eBmY8vZpY1yd8agRP5MtwpAc:9rHkx/ghLrfBAc4KmYU+8d8agB5M0

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks