General

  • Target

    a731929ca0a9a20edebbb0bba21c8cb5.exe

  • Size

    2.5MB

  • Sample

    210723-pts12cp7pe

  • MD5

    a731929ca0a9a20edebbb0bba21c8cb5

  • SHA1

    c94fc1e14aeedbcc5f7ed7dec6fdebf81fc39fdb

  • SHA256

    21aad53d28c5415465bef9cd7b36d0d4708f22b57d77f7d6aca5e2de371c1bb5

  • SHA512

    9bd925810b0852445577d565eafc379a646ef3d49f5517a7fbd898873245db28564d5542fb485f97f7eaf7b716090e9e0062fdc5ef14f1a8e10280642c2d23e3

Malware Config

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.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

redline

Botnet

NEW_STAB

C2

45.14.49.71:18845

Extracted

Family

vidar

Version

39.7

Botnet

865

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    865

Extracted

Family

vidar

Version

39.7

Botnet

903

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    903

Extracted

Family

fickerstealer

C2

37.0.8.225:80

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      a731929ca0a9a20edebbb0bba21c8cb5.exe

    • Size

      2.5MB

    • MD5

      a731929ca0a9a20edebbb0bba21c8cb5

    • SHA1

      c94fc1e14aeedbcc5f7ed7dec6fdebf81fc39fdb

    • SHA256

      21aad53d28c5415465bef9cd7b36d0d4708f22b57d77f7d6aca5e2de371c1bb5

    • SHA512

      9bd925810b0852445577d565eafc379a646ef3d49f5517a7fbd898873245db28564d5542fb485f97f7eaf7b716090e9e0062fdc5ef14f1a8e10280642c2d23e3

    • Fickerstealer

      Ficker is an infostealer written in Rust and ASM.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • suricata: ET MALWARE Win32/Ficker Stealer Activity M3

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

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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 Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks