Resubmissions

28-03-2024 19:02

240328-xpx18aef83 10

28-03-2024 18:58

240328-xmvs3sdf7v 10

28-03-2024 18:54

240328-xj7cpsde5w 10

General

  • Target

    31be2f115f41edc9983d957c33008b68.exe

  • Size

    1.8MB

  • Sample

    240328-xpx18aef83

  • MD5

    31be2f115f41edc9983d957c33008b68

  • SHA1

    12a8ac48d6ca6917d872c1c96e5d277c4dd842b3

  • SHA256

    9a1479bac1f3c4652a9b14798f3e5d2ec2cd4839ad40415d079619d21a812c64

  • SHA512

    c7bb8e85167fc06cabc095a895d953c8e0a6a0eb21e23431c26a866f22e8266e989b1c273cda667836c90fce36c30ced59b46e2cce6d2d996bb2aa6ee6e41f90

  • SSDEEP

    49152:ynktmVBAjAVQLaStMDTBf0Qizoq+4Q9l80UAoxLs:k6OVupkBMQgXp

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

      31be2f115f41edc9983d957c33008b68.exe

    • Size

      1.8MB

    • MD5

      31be2f115f41edc9983d957c33008b68

    • SHA1

      12a8ac48d6ca6917d872c1c96e5d277c4dd842b3

    • SHA256

      9a1479bac1f3c4652a9b14798f3e5d2ec2cd4839ad40415d079619d21a812c64

    • SHA512

      c7bb8e85167fc06cabc095a895d953c8e0a6a0eb21e23431c26a866f22e8266e989b1c273cda667836c90fce36c30ced59b46e2cce6d2d996bb2aa6ee6e41f90

    • SSDEEP

      49152:ynktmVBAjAVQLaStMDTBf0Qizoq+4Q9l80UAoxLs:k6OVupkBMQgXp

    • 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