General

  • Target

    eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

  • Size

    9.5MB

  • Sample

    241218-hz1grsymcw

  • MD5

    e41f3a29ca07952e1662819f0e835e10

  • SHA1

    8556e8a459ce836608dabbf6d233349e54ca0cf1

  • SHA256

    eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592b

  • SHA512

    9abdf193a81aa145fe0146b37ab66e90a580dd0733a3f73baf48c0317343004d293125ef9a375b0759d9de91cbd2de3d019c338d25becb330c74ca5be3ea51f2

  • SSDEEP

    196608:jSxCXFu0XtVa4c1kOcbx8+CwTVlj0Ovq8EccovnaW6f8WnsLt+V:9XFxI4c10TTzIh8EcZE8WnC4

Malware Config

Targets

    • Target

      eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

    • Size

      9.5MB

    • MD5

      e41f3a29ca07952e1662819f0e835e10

    • SHA1

      8556e8a459ce836608dabbf6d233349e54ca0cf1

    • SHA256

      eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592b

    • SHA512

      9abdf193a81aa145fe0146b37ab66e90a580dd0733a3f73baf48c0317343004d293125ef9a375b0759d9de91cbd2de3d019c338d25becb330c74ca5be3ea51f2

    • SSDEEP

      196608:jSxCXFu0XtVa4c1kOcbx8+CwTVlj0Ovq8EccovnaW6f8WnsLt+V:9XFxI4c10TTzIh8EcZE8WnC4

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Neshta family

    • 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

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks