General

  • Target

    ec21adf9c15c15820f6251703808ae664a69b53d172d3bb2933bde49105757cf

  • Size

    224KB

  • Sample

    211025-nx1yeaghhp

  • MD5

    72d70a10c657658b7432cef7c38887a7

  • SHA1

    2c74d28cfe6a3583e653c76cd358032c2645d5a5

  • SHA256

    ec21adf9c15c15820f6251703808ae664a69b53d172d3bb2933bde49105757cf

  • SHA512

    95428f5c45f8ca78fba3034ddb393e53f7432a4121cddb4cbb2a06ebac3b5740287a6ada643f2f1b92e37d57cb9a078a02faa6df96f731a70dc522012969a2ed

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gejajoo7.top/

http://sysaheu9.top/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

41.5

Botnet

754

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    754

Targets

    • Target

      ec21adf9c15c15820f6251703808ae664a69b53d172d3bb2933bde49105757cf

    • Size

      224KB

    • MD5

      72d70a10c657658b7432cef7c38887a7

    • SHA1

      2c74d28cfe6a3583e653c76cd358032c2645d5a5

    • SHA256

      ec21adf9c15c15820f6251703808ae664a69b53d172d3bb2933bde49105757cf

    • SHA512

      95428f5c45f8ca78fba3034ddb393e53f7432a4121cddb4cbb2a06ebac3b5740287a6ada643f2f1b92e37d57cb9a078a02faa6df96f731a70dc522012969a2ed

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

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

Tasks