General

  • Target

    13a8ca17d4b77f65052f928f39ef46b8.exe

  • Size

    221KB

  • Sample

    210428-fz7pb7gxvs

  • MD5

    13a8ca17d4b77f65052f928f39ef46b8

  • SHA1

    3c61930f2dfcbd798a063137629ef33f222855ca

  • SHA256

    5a38b12ebce12dde580da36ee1b4a5c0387f9e81f7f738c278b60d5781dad6eb

  • SHA512

    df7938528522073cbb95c3aee4c2c24abf519c87190f35650a41979601c6611e0c0c6cfb3208f71bfcbba4ce45ba0af65ddf5ca87d68c93848f76ddb84fdacce

Malware Config

Extracted

Family

oski

C2

5llion.com

Extracted

Family

azorult

C2

http://bengalcement.com.bd/AxPu/index.php

Targets

    • Target

      13a8ca17d4b77f65052f928f39ef46b8.exe

    • Size

      221KB

    • MD5

      13a8ca17d4b77f65052f928f39ef46b8

    • SHA1

      3c61930f2dfcbd798a063137629ef33f222855ca

    • SHA256

      5a38b12ebce12dde580da36ee1b4a5c0387f9e81f7f738c278b60d5781dad6eb

    • SHA512

      df7938528522073cbb95c3aee4c2c24abf519c87190f35650a41979601c6611e0c0c6cfb3208f71bfcbba4ce45ba0af65ddf5ca87d68c93848f76ddb84fdacce

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks