General

  • Target

    21cd7586b33a785b66ecded76d05c238.bin

  • Size

    1.8MB

  • Sample

    240327-bt8gvsha75

  • MD5

    7a9be94873aa51893240b462bc4ed069

  • SHA1

    7719da7ebe2f496247c604b17f68423e5689690d

  • SHA256

    20ae443a1f3603f13d11f495108d0d74afcdf3c9c1aac96a56e9a7b0eca22bf5

  • SHA512

    fba5d6cfe305d13a58254e1efbf19094c287157610e3dc11631f975e740f7430a4ff6d0cc4a6378c661ec59656e2219d146ea026f3935b766207c4842e623fe4

  • SSDEEP

    49152:PHGSYWzDc8UlUurKsQ/RzoLe/K1ySbQSahYCgu9Bz:iSc3Db+ueXJSyYCgu9Bz

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

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

redline

Botnet

LiveTraffic

C2

4.185.137.132:1632

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

4.12

C2

http://185.172.128.19

Attributes
  • install_dir

    cd1f156d67

  • install_file

    Utsysc.exe

  • strings_key

    0dd3e5ee91b367c60c9e575983554b30

  • url_paths

    /ghsdh39s/index.php

rc4.plain

Targets

    • Target

      682e5a143bf1041ee0d8cf47c9d8c0aad22cb9fa2cd353dbe367a80011e9a158.exe

    • Size

      1.8MB

    • MD5

      21cd7586b33a785b66ecded76d05c238

    • SHA1

      d2a004ee0d3355acd845acc8b5a02d78be29884c

    • SHA256

      682e5a143bf1041ee0d8cf47c9d8c0aad22cb9fa2cd353dbe367a80011e9a158

    • SHA512

      9b0a45877e9a4a51e8632c22b23e985aaf9277100142f1f90a109f12b38209400e45903970fb4f608774bb17ab34625414e7b5cf917023c4a5cc13fd1433ee98

    • SSDEEP

      24576:Foo0BavrjK/btvFFdVLNZCNSrlBfc0b3LAoI+RF4YOXfQkYzPi1w4EWUz0T9Z0/4:50D7f9CqK0b3NYdYzs9EkE

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect ZGRat V1

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks