General

  • Target

    3a2b1790ee5ab220c01bbd0920a3ff22cb9740131f619c72f2f9dd365ef34274

  • Size

    1.8MB

  • Sample

    240328-nkmv1sha74

  • MD5

    0825a3a1ac4f06d48dcdd1e83d64cf4b

  • SHA1

    a8faa7d4589d22a8c68dd1b8f7908f92f636a26f

  • SHA256

    3a2b1790ee5ab220c01bbd0920a3ff22cb9740131f619c72f2f9dd365ef34274

  • SHA512

    161c344a5b33c4bdb282aed5e2688e7329666ffe6914a4f01883114861ae2d24d419e8788562b3e5550780db85bec11e398a3cc8327b7b0e43f145c5b97817c5

  • SSDEEP

    24576:swoqmCVsWvRLeAIxd6Ap/mJavuRFGOBe+b7plMns1FhqdYmHHfPQ4lFRxXerQLr:v/1sWJ3Ib6AfWzR7pl0ChnmH//nerS

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

      3a2b1790ee5ab220c01bbd0920a3ff22cb9740131f619c72f2f9dd365ef34274

    • Size

      1.8MB

    • MD5

      0825a3a1ac4f06d48dcdd1e83d64cf4b

    • SHA1

      a8faa7d4589d22a8c68dd1b8f7908f92f636a26f

    • SHA256

      3a2b1790ee5ab220c01bbd0920a3ff22cb9740131f619c72f2f9dd365ef34274

    • SHA512

      161c344a5b33c4bdb282aed5e2688e7329666ffe6914a4f01883114861ae2d24d419e8788562b3e5550780db85bec11e398a3cc8327b7b0e43f145c5b97817c5

    • SSDEEP

      24576:swoqmCVsWvRLeAIxd6Ap/mJavuRFGOBe+b7plMns1FhqdYmHHfPQ4lFRxXerQLr:v/1sWJ3Ib6AfWzR7pl0ChnmH//nerS

    • 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