General

  • Target

    1BD71C308FE8A1DC8BCD05C011D19F97.exe

  • Size

    2.7MB

  • Sample

    210714-qekf5e5yte

  • MD5

    1bd71c308fe8a1dc8bcd05c011d19f97

  • SHA1

    79b7d25e1bdce5b535e04383a9d2d96a8c668f96

  • SHA256

    356e6444780389e9a1432eb575cea622a01bab5d8331f1c3b13046ca8209d06b

  • SHA512

    8eb03be97c47e88d912d65e49945ea81fcc8284d4a7d517e1f9420a20cbf403016b383203fc03eadc547831f22d7caa2d0b229234de0c6b349dfd1d584abb985

Malware Config

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

vidar

Version

39.4

Botnet

933

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.5

Botnet

903

C2

https://olegf9844.tumblr.com/

Attributes
  • profile_id

    903

Targets

    • Target

      1BD71C308FE8A1DC8BCD05C011D19F97.exe

    • Size

      2.7MB

    • MD5

      1bd71c308fe8a1dc8bcd05c011d19f97

    • SHA1

      79b7d25e1bdce5b535e04383a9d2d96a8c668f96

    • SHA256

      356e6444780389e9a1432eb575cea622a01bab5d8331f1c3b13046ca8209d06b

    • SHA512

      8eb03be97c47e88d912d65e49945ea81fcc8284d4a7d517e1f9420a20cbf403016b383203fc03eadc547831f22d7caa2d0b229234de0c6b349dfd1d584abb985

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • Executes dropped EXE

    • 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 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • 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

    • 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