General

  • Target

    a18b2338e696e78ff21d7fd811a66773.exe

  • Size

    3.1MB

  • Sample

    210523-egjvbpajme

  • MD5

    a18b2338e696e78ff21d7fd811a66773

  • SHA1

    48714e09243222f52fbcee2f9ba2f93f396381bf

  • SHA256

    ec606c6695e9c2716c8b3eb6c8b45d085caa03658274366a846ad37c452bd65f

  • SHA512

    72a3a2645d778cc0053a072bbd1604ef3fc4290eb14f6876020d689654dc7d86d327e1b5a5b4565a4697f6aa5aaf5ffb8524dfec52b0d2ff0498983108288866

Malware Config

Extracted

Family

vidar

Version

38.8

Botnet

746

C2

https://HAL9THapi.faceit.comlegomind

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

Targets

    • Target

      a18b2338e696e78ff21d7fd811a66773.exe

    • Size

      3.1MB

    • MD5

      a18b2338e696e78ff21d7fd811a66773

    • SHA1

      48714e09243222f52fbcee2f9ba2f93f396381bf

    • SHA256

      ec606c6695e9c2716c8b3eb6c8b45d085caa03658274366a846ad37c452bd65f

    • SHA512

      72a3a2645d778cc0053a072bbd1604ef3fc4290eb14f6876020d689654dc7d86d327e1b5a5b4565a4697f6aa5aaf5ffb8524dfec52b0d2ff0498983108288866

    • ElysiumStealer

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

    • RedLine

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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 2FA software files, possible credential harvesting

    • 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.

    • 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.

    • Program crash

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks