General

  • Target

    AtomicWallet_Setup.bat

  • Size

    22KB

  • Sample

    220801-str9baahe3

  • MD5

    3004914cdfa67357410e6f0c9a091655

  • SHA1

    dfdbb09661ee90ad4e88e7b0510653c93485a4b2

  • SHA256

    33d0d9fe89f0dba2b89347a0e2e6deb22542476d98676187f8c1eb529cb3997f

  • SHA512

    8f03d8c5a99dc85500e81ca613453ae886050f7e8303b39f6bc83f18db9e20596a743049d24f663c9c0ffd357b013480f6bc997deece1d15def3486429f3f49e

Malware Config

Extracted

Family

arkei

Botnet

Default

Targets

    • Target

      AtomicWallet_Setup.bat

    • Size

      22KB

    • MD5

      3004914cdfa67357410e6f0c9a091655

    • SHA1

      dfdbb09661ee90ad4e88e7b0510653c93485a4b2

    • SHA256

      33d0d9fe89f0dba2b89347a0e2e6deb22542476d98676187f8c1eb529cb3997f

    • SHA512

      8f03d8c5a99dc85500e81ca613453ae886050f7e8303b39f6bc83f18db9e20596a743049d24f663c9c0ffd357b013480f6bc997deece1d15def3486429f3f49e

    • Arkei

      Arkei is an infostealer written in C++.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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.

MITRE ATT&CK Enterprise v6

Tasks