General

  • Target

    ba8a76d8f6d92b38766df5cea014b76a.bin

  • Size

    4.2MB

  • Sample

    241119-b3fs7sybpe

  • MD5

    c24451465e206d6f1acc58539ce9b62e

  • SHA1

    eebe6649942c474abbd63cf1db4365183523bffd

  • SHA256

    d453508a9a2ee0133e4369dc8741067d5cbbd2f0e7db48afcee808af1efb1da1

  • SHA512

    651f0064a7f5a3addb3966a4fdbafefe48615d91ea923119e77b416fa4c6e052c3c6758aa50033f6cc86db130a22015cac94ce58a3500c1d902d6275c232edf6

  • SSDEEP

    98304:03V95nkyfVEGOmfsMBB6GICT+4NZ8D249OV+c/pOg8a:095kvmfsMBB6HgK9q+MOa

Malware Config

Targets

    • Target

      e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe

    • Size

      4.2MB

    • MD5

      ba8a76d8f6d92b38766df5cea014b76a

    • SHA1

      9da75fe4e75b7e2b3707e655f6e08f9f884267e5

    • SHA256

      e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b

    • SHA512

      61c739e26f0f9ae87ac670643249aebc15f0ac8bb3e9f9fde7fceca52dba147db1760aa381e2a70fd16f39479ca4c3d1b3065e7ae949cddbbe7667ca742a8be1

    • SSDEEP

      98304:uJfoz9MYZSWpViPAChkEwLICpLdyukr1BlqnuvXi/6plU:8foTN7iPsRTWr1BlqcXt

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks