General

  • Target

    b92625560c246d61a57b07fa793b92926260bdd983b04459f60ccd10c1cf63f2

  • Size

    7.2MB

  • Sample

    211220-rdn2aabeep

  • MD5

    8d942065370ff79150835e15d4cc409b

  • SHA1

    271cd3e2a95c82ca508f6d0f5e8750edfaa004bc

  • SHA256

    b92625560c246d61a57b07fa793b92926260bdd983b04459f60ccd10c1cf63f2

  • SHA512

    46838faca94854e539f5bdd4b29c5f433af98ba7ad8d86cea52c0adc6e085dbc4c570ad501f5682fe5ca261b626d48cf73b9633fb27cc480d1772dde63d673d5

Malware Config

Extracted

Family

socelars

C2

http://www.biohazardgraphics.com/

Extracted

Family

vidar

Version

49.1

Botnet

915

C2

https://noc.social/@sergeev46

https://c.im/@sergeev47

Attributes
  • profile_id

    915

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Targets

    • Target

      b92625560c246d61a57b07fa793b92926260bdd983b04459f60ccd10c1cf63f2

    • Size

      7.2MB

    • MD5

      8d942065370ff79150835e15d4cc409b

    • SHA1

      271cd3e2a95c82ca508f6d0f5e8750edfaa004bc

    • SHA256

      b92625560c246d61a57b07fa793b92926260bdd983b04459f60ccd10c1cf63f2

    • SHA512

      46838faca94854e539f5bdd4b29c5f433af98ba7ad8d86cea52c0adc6e085dbc4c570ad501f5682fe5ca261b626d48cf73b9633fb27cc480d1772dde63d673d5

    • 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 M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

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

      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 Stealer Client Data Upload

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks