General

  • Target

    NL Brute.exe

  • Size

    7.8MB

  • Sample

    241108-fme9ysvpes

  • MD5

    aa7a175b442aa64c84fb306979a4320b

  • SHA1

    a7cd106acbc7675337977f55387b92145190eb1c

  • SHA256

    b3c4140104b09723a786c120c921b9e46d7b50be5fb0bd4afa7bbb23069948de

  • SHA512

    bab9d021d7d1efb24298cb66f29d1d2b716a8ea24e44891cc01a1a3249cf32bfdf1688cac70e33f336c2e70b967ae3e22f3855c9dafdeb2d1f67e6e98adb4295

  • SSDEEP

    196608:CfP0p8Y4DFbBJ5dIa82Vou2j09a3XAydVdODHMD16UAsdf6:CO8YwFV/dIa8wp2j09qXAyYDHMDYrsdi

Malware Config

Targets

    • Target

      NL Brute.exe

    • Size

      7.8MB

    • MD5

      aa7a175b442aa64c84fb306979a4320b

    • SHA1

      a7cd106acbc7675337977f55387b92145190eb1c

    • SHA256

      b3c4140104b09723a786c120c921b9e46d7b50be5fb0bd4afa7bbb23069948de

    • SHA512

      bab9d021d7d1efb24298cb66f29d1d2b716a8ea24e44891cc01a1a3249cf32bfdf1688cac70e33f336c2e70b967ae3e22f3855c9dafdeb2d1f67e6e98adb4295

    • SSDEEP

      196608:CfP0p8Y4DFbBJ5dIa82Vou2j09a3XAydVdODHMD16UAsdf6:CO8YwFV/dIa8wp2j09qXAyYDHMDYrsdi

    • 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

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

    • 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

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks