General

  • Target

    be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d

  • Size

    1.8MB

  • Sample

    240330-x8jmyacg7t

  • MD5

    4554e58442693ece01d406c8e11167d7

  • SHA1

    4b11b68a0bc9c9e0b92c97cc06942adb0f193272

  • SHA256

    be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d

  • SHA512

    8af5a0a9ac119eeaae11fb7b43cb3a6434d4bb8cc576333066556b6eda6855e14b2ece88babbf916f64e97a6ec0b1df85d32faf7464149a8def0ddfe4e2d4fea

  • SSDEEP

    49152:WZGOkVTcJXpSkGhP+vo8s928aahhv+SCJzQPsKH/3B4:RbgJ0y07sK/B

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

      be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d

    • Size

      1.8MB

    • MD5

      4554e58442693ece01d406c8e11167d7

    • SHA1

      4b11b68a0bc9c9e0b92c97cc06942adb0f193272

    • SHA256

      be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d

    • SHA512

      8af5a0a9ac119eeaae11fb7b43cb3a6434d4bb8cc576333066556b6eda6855e14b2ece88babbf916f64e97a6ec0b1df85d32faf7464149a8def0ddfe4e2d4fea

    • SSDEEP

      49152:WZGOkVTcJXpSkGhP+vo8s928aahhv+SCJzQPsKH/3B4:RbgJ0y07sK/B

    • 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