General

  • Target

    bf1f9c2ec24b60a4dafc6816693ed21de7261152661559d4e68ebd0c08e63c96

  • Size

    1.8MB

  • Sample

    240326-m8cjhsgg38

  • MD5

    c61db8b750df7c45aa638ca299e00522

  • SHA1

    6e3bd53752f013bdbe517c6ac1209e2f31bca8df

  • SHA256

    bf1f9c2ec24b60a4dafc6816693ed21de7261152661559d4e68ebd0c08e63c96

  • SHA512

    ba4f0244d84d1621581aa19f477a9cc8632e34cd38cd61284028583cdda95f15cb9d32945b5350117f347db281f6958a6f5e025ed75a861999e38a553531e8f5

  • SSDEEP

    49152:M/pUJx662gxVV2Ek5FNK3q6mpbN1+WjaS1N:M/Cx60xVV12FNKq60b7zaS

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

      bf1f9c2ec24b60a4dafc6816693ed21de7261152661559d4e68ebd0c08e63c96

    • Size

      1.8MB

    • MD5

      c61db8b750df7c45aa638ca299e00522

    • SHA1

      6e3bd53752f013bdbe517c6ac1209e2f31bca8df

    • SHA256

      bf1f9c2ec24b60a4dafc6816693ed21de7261152661559d4e68ebd0c08e63c96

    • SHA512

      ba4f0244d84d1621581aa19f477a9cc8632e34cd38cd61284028583cdda95f15cb9d32945b5350117f347db281f6958a6f5e025ed75a861999e38a553531e8f5

    • SSDEEP

      49152:M/pUJx662gxVV2Ek5FNK3q6mpbN1+WjaS1N:M/Cx60xVV12FNKq60b7zaS

    • 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.

    • 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

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks