Resubmissions

14-03-2024 11:45

240314-nw4b5sbb5v 10

13-03-2024 15:01

240313-sdxtvsfh9x 10

13-03-2024 14:22

240313-rpjkyagg56 10

General

  • Target

    c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.bin

  • Size

    242KB

  • Sample

    240314-nw4b5sbb5v

  • MD5

    8f44c565b6605afccbab295faaf420b8

  • SHA1

    a9fc5e1ca19b7034f846b12ee2e5890d8c64f3b3

  • SHA256

    c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0

  • SHA512

    cdbf40c2def3a3dc45ac006f99ebff60d936eff53d2b16236f0424285a1749e847ee1180daa0e9e256bd86e44e76cdbc2b83d5afd1e8db1edb699d0b95900206

  • SSDEEP

    3072:sY1hNzde2qx1Y7CzY8hv2BXhssNPhslWeQYmbd/5NOVAAC:11Twx2uzYvVhsspSlWbYId

Malware Config

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

4.17

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

redline

Botnet

LiveTraffic

C2

20.218.68.91:7690

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.bin

    • Size

      242KB

    • MD5

      8f44c565b6605afccbab295faaf420b8

    • SHA1

      a9fc5e1ca19b7034f846b12ee2e5890d8c64f3b3

    • SHA256

      c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0

    • SHA512

      cdbf40c2def3a3dc45ac006f99ebff60d936eff53d2b16236f0424285a1749e847ee1180daa0e9e256bd86e44e76cdbc2b83d5afd1e8db1edb699d0b95900206

    • SSDEEP

      3072:sY1hNzde2qx1Y7CzY8hv2BXhssNPhslWeQYmbd/5NOVAAC:11Twx2uzYvVhsspSlWbYId

    • Amadey

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

    • Detect ZGRat V1

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • 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.

    • Deletes itself

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks