General

  • Target

    dba045ff9399749f8c0d73f2d66f41003b73ec53729bebfbc2be482223bd7ec2

  • Size

    1.8MB

  • Sample

    240425-m2xwwaaa8x

  • MD5

    ac338e13157044447ee1c51026e46584

  • SHA1

    91a659ab9b0279345daec05f0d4c01547b3739c1

  • SHA256

    dba045ff9399749f8c0d73f2d66f41003b73ec53729bebfbc2be482223bd7ec2

  • SHA512

    9a2a86841c9d316df37895bb58a08fe2085da47a1a8c808df224a08bbae3b535b306f68ccd7175438f5f9092aa37e7a9f77e7270b04fdea537fd387fbd9e05a5

  • SSDEEP

    24576:7CaPGA5Mz3gou4URP4elIVUNdlpXWba1cnSenUm3UIcsP3VdWvOlCdykY6LP1SlT:7Dv5MzQoTYN0baSfn0ILfbWW4dyq1U6

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      dba045ff9399749f8c0d73f2d66f41003b73ec53729bebfbc2be482223bd7ec2

    • Size

      1.8MB

    • MD5

      ac338e13157044447ee1c51026e46584

    • SHA1

      91a659ab9b0279345daec05f0d4c01547b3739c1

    • SHA256

      dba045ff9399749f8c0d73f2d66f41003b73ec53729bebfbc2be482223bd7ec2

    • SHA512

      9a2a86841c9d316df37895bb58a08fe2085da47a1a8c808df224a08bbae3b535b306f68ccd7175438f5f9092aa37e7a9f77e7270b04fdea537fd387fbd9e05a5

    • SSDEEP

      24576:7CaPGA5Mz3gou4URP4elIVUNdlpXWba1cnSenUm3UIcsP3VdWvOlCdykY6LP1SlT:7Dv5MzQoTYN0baSfn0ILfbWW4dyq1U6

    • 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