General

  • Target

    53966516598a7e8a22fe9616011413e2e9d04a0c2e667466178133aa746d4712

  • Size

    658KB

  • Sample

    210921-lnq1qshaf5

  • MD5

    9af7cf75e6bf4c04d4a7064508e0f99d

  • SHA1

    4174fe792f747f706e4d9c16234a76c74ea1f2b0

  • SHA256

    53966516598a7e8a22fe9616011413e2e9d04a0c2e667466178133aa746d4712

  • SHA512

    31eafa44e0c3d81fa21442b3b27be185b1acb56c16d81b54fefe8155cb10b2978d753db8a3bae168172436e83530db38b8faca1aab14c19bb7ad1f5791ffe78a

Malware Config

Extracted

Family

vidar

Version

40.8

Botnet

828

C2

https://pavlovoler.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      53966516598a7e8a22fe9616011413e2e9d04a0c2e667466178133aa746d4712

    • Size

      658KB

    • MD5

      9af7cf75e6bf4c04d4a7064508e0f99d

    • SHA1

      4174fe792f747f706e4d9c16234a76c74ea1f2b0

    • SHA256

      53966516598a7e8a22fe9616011413e2e9d04a0c2e667466178133aa746d4712

    • SHA512

      31eafa44e0c3d81fa21442b3b27be185b1acb56c16d81b54fefe8155cb10b2978d753db8a3bae168172436e83530db38b8faca1aab14c19bb7ad1f5791ffe78a

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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