General

  • Target

    30bd638ea9663bab072b4e93568a6a54d4d3359ca9d682b85795500cc919463b

  • Size

    724KB

  • Sample

    211015-rc2kzsbgcj

  • MD5

    18894c0bfa43b502f7e06f07c478a7a9

  • SHA1

    dc9956f23c76ecc8212d9c440cec21a0243793c0

  • SHA256

    30bd638ea9663bab072b4e93568a6a54d4d3359ca9d682b85795500cc919463b

  • SHA512

    dba843a2cfdd630200aa29f3399b3da7a8f53d8352fbec438b34560b1363433ca947c497715434758dd1a7d5ea8d4ad1f32250e4418261a00155ae133fa4f6bb

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      30bd638ea9663bab072b4e93568a6a54d4d3359ca9d682b85795500cc919463b

    • Size

      724KB

    • MD5

      18894c0bfa43b502f7e06f07c478a7a9

    • SHA1

      dc9956f23c76ecc8212d9c440cec21a0243793c0

    • SHA256

      30bd638ea9663bab072b4e93568a6a54d4d3359ca9d682b85795500cc919463b

    • SHA512

      dba843a2cfdd630200aa29f3399b3da7a8f53d8352fbec438b34560b1363433ca947c497715434758dd1a7d5ea8d4ad1f32250e4418261a00155ae133fa4f6bb

    • 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