General

  • Target

    f8779af577c68ff3add11db6f6e63e8e.exe

  • Size

    6.8MB

  • Sample

    210522-nksdsyjcn6

  • MD5

    f8779af577c68ff3add11db6f6e63e8e

  • SHA1

    d687be4410485a26c766edb253aa6d572e322bc1

  • SHA256

    cb3c387163302fbf8ddb4c13e9d786c1070a4185a74bdd3faebd1649d02b2b30

  • SHA512

    0605a1b28e4d0ad2975167c613687c8933ab4b0f5c9388d3158a582a25824aaf1663544cdb6a9697cb82abc281c600092d51f07180812170289fcf99bc5aab84

Malware Config

Extracted

Family

vidar

Version

38.8

Botnet

827

C2

https://HAL9THapi.faceit.comlegomind

Attributes
  • profile_id

    827

Extracted

Family

redline

Botnet

BBS1

C2

87.251.71.193:80

Targets

    • Target

      f8779af577c68ff3add11db6f6e63e8e.exe

    • Size

      6.8MB

    • MD5

      f8779af577c68ff3add11db6f6e63e8e

    • SHA1

      d687be4410485a26c766edb253aa6d572e322bc1

    • SHA256

      cb3c387163302fbf8ddb4c13e9d786c1070a4185a74bdd3faebd1649d02b2b30

    • SHA512

      0605a1b28e4d0ad2975167c613687c8933ab4b0f5c9388d3158a582a25824aaf1663544cdb6a9697cb82abc281c600092d51f07180812170289fcf99bc5aab84

    • 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.

    • RedLine Payload

    • 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

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks