General

  • Target

    3abcef1753adf9814fe251e7ea578d14

  • Size

    2.6MB

  • Sample

    220107-pf3akscfdp

  • MD5

    3abcef1753adf9814fe251e7ea578d14

  • SHA1

    570711b8ab7fb5a837261d9c2128851c0cec5c6f

  • SHA256

    33058aed960aee7a6c3df8f0dee358b3ca819c4ce9553afdd22bea022c6801b9

  • SHA512

    60d9326bb61cd5e7eb58a721ba4d092acb9af7e3873345795f9e371606d050583b1198102269f2821babd2eed77877f9abdacc0ab11030171b9e00ff638be39b

Malware Config

Extracted

Family

cryptbot

C2



zyoenm52.top

morlse05.top

Attributes
  • payload_url

    http://yapome07.top/download.php?file=combir.exe

Targets

    • Target

      3abcef1753adf9814fe251e7ea578d14

    • Size

      2.6MB

    • MD5

      3abcef1753adf9814fe251e7ea578d14

    • SHA1

      570711b8ab7fb5a837261d9c2128851c0cec5c6f

    • SHA256

      33058aed960aee7a6c3df8f0dee358b3ca819c4ce9553afdd22bea022c6801b9

    • SHA512

      60d9326bb61cd5e7eb58a721ba4d092acb9af7e3873345795f9e371606d050583b1198102269f2821babd2eed77877f9abdacc0ab11030171b9e00ff638be39b

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks