General

  • Target

    b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483

  • Size

    1.8MB

  • Sample

    240428-babzjscc94

  • MD5

    fe3346ec5bed65ea2f056fb8898a2f5c

  • SHA1

    6049004590734a9ba8124d9b7779a0d8ccd0ff2b

  • SHA256

    b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483

  • SHA512

    dbed2b9a6de8a1646e167ef74db323e458cf3a7b1518cbf412f66c04db470d232018ce600f5ee0a56c6f47975e2435061a24b564814da190e5c3f2ff434991c1

  • SSDEEP

    49152:+aBIARUgsrH0gdAzgjWKKqv6eGN5US9FnGjV/5rX:9B3UgsDTmEdKqvbGNJ9dCx5r

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

      b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483

    • Size

      1.8MB

    • MD5

      fe3346ec5bed65ea2f056fb8898a2f5c

    • SHA1

      6049004590734a9ba8124d9b7779a0d8ccd0ff2b

    • SHA256

      b5973db1b5c044c534a9f809bc2c45b486373325ce1cfd75ff4600f00fd59483

    • SHA512

      dbed2b9a6de8a1646e167ef74db323e458cf3a7b1518cbf412f66c04db470d232018ce600f5ee0a56c6f47975e2435061a24b564814da190e5c3f2ff434991c1

    • SSDEEP

      49152:+aBIARUgsrH0gdAzgjWKKqv6eGN5US9FnGjV/5rX:9B3UgsDTmEdKqvbGNJ9dCx5r

    • 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