General

  • Target

    a1af783a19ee1d6c4081daba5f2fd8c7.exe

  • Size

    3.2MB

  • Sample

    210522-c1gx1ptf9e

  • MD5

    a1af783a19ee1d6c4081daba5f2fd8c7

  • SHA1

    db8ab65329202bd6f578f65e410d9d85866313ed

  • SHA256

    d472f0cb1d205de54297693f856eae5ad6d0d90be070a6d3e105a79987a54a06

  • SHA512

    7b167174043f34d92a391bfee03e1892eeebf309ae0494324fcb3c2b9761f91bededb9c567aee1513fc73921826e01f3382835173a367665b71eacaf944c21a4

Malware Config

Extracted

Family

vidar

Version

�U���$_OF�4��E,<�"��\] b4~+��r�k7K��E�q�}4��U�QL-."�

Botnet

0

C2

https://���?�S�����J~��}��ž����92)��.�� �U���$_OF�4��E,<�"��\] b4~+��r�k7K��E�q�}4��U�QL-."�

Attributes
  • profile_id

    0

Extracted

Family

vidar

Version

38.7

Botnet

746

C2

https://HAL9THapi.faceit.comramilgame

Attributes
  • profile_id

    746

Extracted

Family

smokeloader

Version

2020

C2

http://khaleelahmed.com/upload/

http://twvickiassociation.com/upload/

http://www20833.com/upload/

http://cocinasintonterias.com/upload/

http://masaofukunaga.com/upload/

http://gnckids.com/upload/

rc4.i32
rc4.i32

Extracted

Family

fickerstealer

C2

truzen.best:80

Targets

    • Target

      a1af783a19ee1d6c4081daba5f2fd8c7.exe

    • Size

      3.2MB

    • MD5

      a1af783a19ee1d6c4081daba5f2fd8c7

    • SHA1

      db8ab65329202bd6f578f65e410d9d85866313ed

    • SHA256

      d472f0cb1d205de54297693f856eae5ad6d0d90be070a6d3e105a79987a54a06

    • SHA512

      7b167174043f34d92a391bfee03e1892eeebf309ae0494324fcb3c2b9761f91bededb9c567aee1513fc73921826e01f3382835173a367665b71eacaf944c21a4

    • ElysiumStealer

      ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

    • Fickerstealer

      Ficker is an infostealer written in Rust and ASM.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks