General

  • Target

    61a3613891e418fc0918aefa630acedf.exe

  • Size

    600KB

  • Sample

    210421-rq9aqz9avn

  • MD5

    61a3613891e418fc0918aefa630acedf

  • SHA1

    13616e4c5c603900d00f2a2e042c2ffb884e6d17

  • SHA256

    b8a1b4a3338480556ea537f577d27f4506280f77eb0834f92568ae412f66cd7a

  • SHA512

    4112520d5276b07cb337d1432a0a113c678372c6093f5be393231a703eeab3dd58754bfcfcd9957be553dec3de9035360b37f36031da563f5e91b67a3a74edae

Malware Config

Targets

    • Target

      61a3613891e418fc0918aefa630acedf.exe

    • Size

      600KB

    • MD5

      61a3613891e418fc0918aefa630acedf

    • SHA1

      13616e4c5c603900d00f2a2e042c2ffb884e6d17

    • SHA256

      b8a1b4a3338480556ea537f577d27f4506280f77eb0834f92568ae412f66cd7a

    • SHA512

      4112520d5276b07cb337d1432a0a113c678372c6093f5be393231a703eeab3dd58754bfcfcd9957be553dec3de9035360b37f36031da563f5e91b67a3a74edae

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks