General

  • Target

    79fbd35cae4148d9053cd4590b6d41c0.exe

  • Size

    1.8MB

  • Sample

    240328-xn7h9sdg3w

  • MD5

    79fbd35cae4148d9053cd4590b6d41c0

  • SHA1

    3548d8fa1f242206447224068c16ffd30278ede3

  • SHA256

    9c1751ba73fe53ed9385f24750212c6e785843e4c63dbafec8f95d3e6a5088ef

  • SHA512

    babf970ee423976f68864c67d9ec7a0771be65465b4ea3c498fd9a9ab98f08124be2a0ec16f7952b237d27d778ef49ef9f48fe8ad66dd9a3f840ffc9a5658a40

  • SSDEEP

    49152:rOixuZfOJofYPg+EevCu7OgYZkwtOc/Xe+vv:rOgIfOJosF/jYZk/cv

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      79fbd35cae4148d9053cd4590b6d41c0.exe

    • Size

      1.8MB

    • MD5

      79fbd35cae4148d9053cd4590b6d41c0

    • SHA1

      3548d8fa1f242206447224068c16ffd30278ede3

    • SHA256

      9c1751ba73fe53ed9385f24750212c6e785843e4c63dbafec8f95d3e6a5088ef

    • SHA512

      babf970ee423976f68864c67d9ec7a0771be65465b4ea3c498fd9a9ab98f08124be2a0ec16f7952b237d27d778ef49ef9f48fe8ad66dd9a3f840ffc9a5658a40

    • SSDEEP

      49152:rOixuZfOJofYPg+EevCu7OgYZkwtOc/Xe+vv:rOgIfOJosF/jYZk/cv

    • 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