General

  • Target

    5F602E4E99943FB97E71990CE6EAAB90.exe

  • Size

    2.6MB

  • Sample

    210724-gbfjy3ljy2

  • MD5

    5f602e4e99943fb97e71990ce6eaab90

  • SHA1

    aa7fd6f5ea73074ae64a989469fcc14a6ac3e2f3

  • SHA256

    3cee28ef52c59c99b841c6927f5085e483523cb8b606ff9ce5d60b3c13574545

  • SHA512

    db30274ca70ad39daf7643bf6d21ff338bdb0b39510f09e215d8440a534e47bb32460587a92c76fd8f3549a850dea43aa77b8dedb48481f221de05e451d95312

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

Ani

C2

yoshelona.xyz:80

Extracted

Family

redline

Botnet

723

C2

qumaranero.xyz:80

Targets

    • Target

      5F602E4E99943FB97E71990CE6EAAB90.exe

    • Size

      2.6MB

    • MD5

      5f602e4e99943fb97e71990ce6eaab90

    • SHA1

      aa7fd6f5ea73074ae64a989469fcc14a6ac3e2f3

    • SHA256

      3cee28ef52c59c99b841c6927f5085e483523cb8b606ff9ce5d60b3c13574545

    • SHA512

      db30274ca70ad39daf7643bf6d21ff338bdb0b39510f09e215d8440a534e47bb32460587a92c76fd8f3549a850dea43aa77b8dedb48481f221de05e451d95312

    • 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.

    • Socelars Payload

    • 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

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Loads dropped DLL

    • 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.

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks