General

  • Target

    bb32125bb6cc6920bb1b1a899745e38e876f15a3e322831047ed2a7cf5e85e14

  • Size

    1.8MB

  • Sample

    240329-zw2dbsad82

  • MD5

    59375c9976851824720f1effd2dd5912

  • SHA1

    66a58728049927a9b260ed543a63b9441f0f6d76

  • SHA256

    bb32125bb6cc6920bb1b1a899745e38e876f15a3e322831047ed2a7cf5e85e14

  • SHA512

    0fa7a67f8b668b5ded3dc1092afbeeb98a6e48e1260819bf33e448968b836429dfaf3ac75995f505a0d16e5433383a4f0119f9a1cb173dcc39186f2d052318f5

  • SSDEEP

    49152:h1B5O4tkn3Iiwa85Gftt1J4KfRtsquXiP2boM4:Dtk34botFN5tspyub74

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Targets

    • Target

      bb32125bb6cc6920bb1b1a899745e38e876f15a3e322831047ed2a7cf5e85e14

    • Size

      1.8MB

    • MD5

      59375c9976851824720f1effd2dd5912

    • SHA1

      66a58728049927a9b260ed543a63b9441f0f6d76

    • SHA256

      bb32125bb6cc6920bb1b1a899745e38e876f15a3e322831047ed2a7cf5e85e14

    • SHA512

      0fa7a67f8b668b5ded3dc1092afbeeb98a6e48e1260819bf33e448968b836429dfaf3ac75995f505a0d16e5433383a4f0119f9a1cb173dcc39186f2d052318f5

    • SSDEEP

      49152:h1B5O4tkn3Iiwa85Gftt1J4KfRtsquXiP2boM4:Dtk34botFN5tspyub74

    • 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