General

  • Target

    98a30293d97ff1b2f0ce8daaded19581.bin

  • Size

    1.7MB

  • Sample

    240330-b1l77seh97

  • MD5

    81127eabf61b5d4dd349e193f318513d

  • SHA1

    a729b89a84c41242e266d7398f6c915d04d5cb51

  • SHA256

    cb94411d255bbaefedc592811fb9c6e3c2739efbdcf9ec98bbe13042a10f5abd

  • SHA512

    e8fd4c54c6b44543dcd5a818c3dd9c35112f3ed1ac5a9840ee8d2e6b6178c64eac9510ef0d9a3eb84081e6a9c293d81f6cd57ebb26ab48ad0e1939197eacb7b4

  • SSDEEP

    49152:zKdDkFEKY8CS13U0Kc54tr9rgAJODcPXch:zKDktYO13UNd9rgqbvch

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

      58a33e0f77235b76006f2d94b21377c3c259afc612cd44df0d707d70645cc194.exe

    • Size

      1.8MB

    • MD5

      98a30293d97ff1b2f0ce8daaded19581

    • SHA1

      1df329a7a3b12c7e3ec9a7c1906be6db82c1aa8e

    • SHA256

      58a33e0f77235b76006f2d94b21377c3c259afc612cd44df0d707d70645cc194

    • SHA512

      fea45608c22986e814154c98a6ee30b3a99360e337d7bb3c3d344a36a4d89d756dc68ffa3d60152fd3f1e63f9fa4ef1ac8b0d5193648f3781a49dce4a47e6de7

    • SSDEEP

      24576:hHp1iKHep8p+qTwp07IXRMGIyOpL5aaNPGlUN1Z9cnywODwkE2fqPva:8KK8pHTw27GfIyOpNa6rSyDPE5

    • 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