General

  • Target

    d5fab1031a7fd6d642bf23846b82a29e4ed708c19987dd29e8db2c749eb9e29f

  • Size

    7.1MB

  • Sample

    211220-rc7f8sbedp

  • MD5

    589a3c71f1c0d919875f371a073da632

  • SHA1

    859c4c305af9f2a1f3e423f24de1f919b3353e0d

  • SHA256

    d5fab1031a7fd6d642bf23846b82a29e4ed708c19987dd29e8db2c749eb9e29f

  • SHA512

    cc95f95eecfa16d76d491ddba72e640eeeb39e8bcdaf8c5570ed87c84c6b63dc5fd8b4f726d8c136d6635d294a213b8b9038a5fa6513315a89031bc26f93d582

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

Extracted

Family

redline

Botnet

media18n

C2

65.108.69.168:13293

Extracted

Family

redline

Botnet

v3user1

C2

159.69.246.184:13127

Targets

    • Target

      d5fab1031a7fd6d642bf23846b82a29e4ed708c19987dd29e8db2c749eb9e29f

    • Size

      7.1MB

    • MD5

      589a3c71f1c0d919875f371a073da632

    • SHA1

      859c4c305af9f2a1f3e423f24de1f919b3353e0d

    • SHA256

      d5fab1031a7fd6d642bf23846b82a29e4ed708c19987dd29e8db2c749eb9e29f

    • SHA512

      cc95f95eecfa16d76d491ddba72e640eeeb39e8bcdaf8c5570ed87c84c6b63dc5fd8b4f726d8c136d6635d294a213b8b9038a5fa6513315a89031bc26f93d582

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

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

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks