General

  • Target

    44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123

  • Size

    1.9MB

  • Sample

    240328-gw8hjaef6v

  • MD5

    d4daf2b0fd5a90ea95067e4cb98befdc

  • SHA1

    03abe4de859e462bcaab0b1861fb852588946e3a

  • SHA256

    44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123

  • SHA512

    6181843c9ebf447f54c121b5fc12cb87a57a28cec913abcac5e57a71bc49848764135766a94b6789ad436fe6e2f9287a1bcc515e9f5386a11e727f5af852c6f1

  • SSDEEP

    49152:MVFQzzTb1Ed/X+KZHEpooKERXUs32kCTgT:Mb4TbzOH07bVUs32Jg

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

      44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123

    • Size

      1.9MB

    • MD5

      d4daf2b0fd5a90ea95067e4cb98befdc

    • SHA1

      03abe4de859e462bcaab0b1861fb852588946e3a

    • SHA256

      44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123

    • SHA512

      6181843c9ebf447f54c121b5fc12cb87a57a28cec913abcac5e57a71bc49848764135766a94b6789ad436fe6e2f9287a1bcc515e9f5386a11e727f5af852c6f1

    • SSDEEP

      49152:MVFQzzTb1Ed/X+KZHEpooKERXUs32kCTgT:Mb4TbzOH07bVUs32Jg

    • 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