General

  • Target

    2b7127086b7beea0eb7ad0f2b94535703df297933f456b9cacc8b41ab2058a18

  • Size

    1.8MB

  • Sample

    240425-lv15aahe95

  • MD5

    0c66ce6d36fb1683f1bb3c17f65f8249

  • SHA1

    e6f362272c3712881e68ceb7fd11cfba1e4e802e

  • SHA256

    2b7127086b7beea0eb7ad0f2b94535703df297933f456b9cacc8b41ab2058a18

  • SHA512

    837012e208c784d71e1589d0a01e9451921a90c2edd378bdc825687a2357ac979b2447a49792d3c07e54b959bb2669cf8f1763df69942a6b5d8086351c827430

  • SSDEEP

    49152:02SfKBX+aZamDY0uAzw4oZ+MqKplnm7D3AAX+07qCPrRF+q:7Z+aNDY0uAzw4HKDC3H7qCPrR

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      2b7127086b7beea0eb7ad0f2b94535703df297933f456b9cacc8b41ab2058a18

    • Size

      1.8MB

    • MD5

      0c66ce6d36fb1683f1bb3c17f65f8249

    • SHA1

      e6f362272c3712881e68ceb7fd11cfba1e4e802e

    • SHA256

      2b7127086b7beea0eb7ad0f2b94535703df297933f456b9cacc8b41ab2058a18

    • SHA512

      837012e208c784d71e1589d0a01e9451921a90c2edd378bdc825687a2357ac979b2447a49792d3c07e54b959bb2669cf8f1763df69942a6b5d8086351c827430

    • SSDEEP

      49152:02SfKBX+aZamDY0uAzw4oZ+MqKplnm7D3AAX+07qCPrRF+q:7Z+aNDY0uAzw4HKDC3H7qCPrR

    • Amadey

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

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

    • Blocklisted process makes network request

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

2
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks