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General

  • Target

    44b840309d763ca08dc04c62daf30cdf9b282a990ff52572591eb0c004a44b34

  • Size

    1.8MB

  • Sample

    240802-266rxavbmj

  • MD5

    6b1be5003973052d34deb0f0b6c0ecd5

  • SHA1

    3d47ab3e4d475097982a56686ba3298982f8a225

  • SHA256

    44b840309d763ca08dc04c62daf30cdf9b282a990ff52572591eb0c004a44b34

  • SHA512

    9e2006a743a6f401c42f37f0253a105b7ef0814a5c1667dbe28a1f395f80e788afa20159132b90477d89199c4255d2b56b2a1b405ff2a1ff3c2a307a6fbd9971

  • SSDEEP

    49152:wwDx2gHYSoASYs9VCRpMGvnnonwe6smtZq:wwDx28oA+V0JvCwfsmtZ

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default

C2

http://185.215.113.24

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      44b840309d763ca08dc04c62daf30cdf9b282a990ff52572591eb0c004a44b34

    • Size

      1.8MB

    • MD5

      6b1be5003973052d34deb0f0b6c0ecd5

    • SHA1

      3d47ab3e4d475097982a56686ba3298982f8a225

    • SHA256

      44b840309d763ca08dc04c62daf30cdf9b282a990ff52572591eb0c004a44b34

    • SHA512

      9e2006a743a6f401c42f37f0253a105b7ef0814a5c1667dbe28a1f395f80e788afa20159132b90477d89199c4255d2b56b2a1b405ff2a1ff3c2a307a6fbd9971

    • SSDEEP

      49152:wwDx2gHYSoASYs9VCRpMGvnnonwe6smtZq:wwDx28oA+V0JvCwfsmtZ

    • 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.

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks