General

  • Target

    f0a0ccf33628d9aa836215c7754752e0.exe

  • Size

    600KB

  • Sample

    210421-2y4wd8yxbx

  • MD5

    f0a0ccf33628d9aa836215c7754752e0

  • SHA1

    a20ba4181c193067d2b6004e53fb8ccf9f417865

  • SHA256

    6e103abcfb4169053025991dbb9032edde3809fc42403f5d107d0d29237ba971

  • SHA512

    d49331892236e316ff2e236ee14866bc4286671b0b8dfcff0a6710b2620e90c1b096d51456aab6cacc0b6d1f840b44df1d1b4374fdb8b5b184bf9a9595dfbc70

Malware Config

Targets

    • Target

      f0a0ccf33628d9aa836215c7754752e0.exe

    • Size

      600KB

    • MD5

      f0a0ccf33628d9aa836215c7754752e0

    • SHA1

      a20ba4181c193067d2b6004e53fb8ccf9f417865

    • SHA256

      6e103abcfb4169053025991dbb9032edde3809fc42403f5d107d0d29237ba971

    • SHA512

      d49331892236e316ff2e236ee14866bc4286671b0b8dfcff0a6710b2620e90c1b096d51456aab6cacc0b6d1f840b44df1d1b4374fdb8b5b184bf9a9595dfbc70

    • 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