General

  • Target

    39fafb8f7ba8a9ccb86445b81a84aa05fd21b9582810a137e78ff0775af8ebbc

  • Size

    744KB

  • Sample

    211013-deb68adcer

  • MD5

    177becf08315ed2c2dd8def71890fb4d

  • SHA1

    5f4f2dccc63b3421489aa74b9bc300dcf0cd2b3b

  • SHA256

    39fafb8f7ba8a9ccb86445b81a84aa05fd21b9582810a137e78ff0775af8ebbc

  • SHA512

    3fc42dd51e3e882b11084c97617f4cfb42676ba05ce6970daca68b9a85c79da4eef3bebc4046bef61559f3bb5300bcd39e86df873d1ea3ae8c2b09bbb0c5b759

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      39fafb8f7ba8a9ccb86445b81a84aa05fd21b9582810a137e78ff0775af8ebbc

    • Size

      744KB

    • MD5

      177becf08315ed2c2dd8def71890fb4d

    • SHA1

      5f4f2dccc63b3421489aa74b9bc300dcf0cd2b3b

    • SHA256

      39fafb8f7ba8a9ccb86445b81a84aa05fd21b9582810a137e78ff0775af8ebbc

    • SHA512

      3fc42dd51e3e882b11084c97617f4cfb42676ba05ce6970daca68b9a85c79da4eef3bebc4046bef61559f3bb5300bcd39e86df873d1ea3ae8c2b09bbb0c5b759

    • 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

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

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks