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Overview

overview

10

Static

static

1

39fbaf3322...74.exe

windows7-x64

10

39fbaf3322...74.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    39fbaf33223cf1420da5ee4badd313d2fbd0b087714dd09b09132ebf8101de74

  • Size

    2.1MB

  • Sample

    231014-27254scd7x

  • MD5

    08c7b4532ef227cfa186f591572769da

  • SHA1

    7481a96a7756aff20a893ebc1a037d3ab91356dd

  • SHA256

    39fbaf33223cf1420da5ee4badd313d2fbd0b087714dd09b09132ebf8101de74

  • SHA512

    c1cfa72cf16d2574ab7bc9c5318e64acc2434922363092aff19468ff251a149d737d0249a404716227be9fe6133d39aa110fcb7833b6232bcd3bf4889a3dd331

  • SSDEEP

    49152:+bCsqGs57WcQgDO+Ivam8M0iTnDJJZk425V/zaBM3Sbawwtl:+3e57UgSZ8Mba4aBN3SbA

Score
10/10
fatalratevasioninfostealerpersistencerat

Malware Config

Targets

    • Target

      39fbaf33223cf1420da5ee4badd313d2fbd0b087714dd09b09132ebf8101de74

    • Size

      2.1MB

    • MD5

      08c7b4532ef227cfa186f591572769da

    • SHA1

      7481a96a7756aff20a893ebc1a037d3ab91356dd

    • SHA256

      39fbaf33223cf1420da5ee4badd313d2fbd0b087714dd09b09132ebf8101de74

    • SHA512

      c1cfa72cf16d2574ab7bc9c5318e64acc2434922363092aff19468ff251a149d737d0249a404716227be9fe6133d39aa110fcb7833b6232bcd3bf4889a3dd331

    • SSDEEP

      49152:+bCsqGs57WcQgDO+Ivam8M0iTnDJJZk425V/zaBM3Sbawwtl:+3e57UgSZ8Mba4aBN3SbA

    Score
    10/10
    fatalratevasioninfostealerpersistencerat

    • FatalRat

      FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

      infostealerratfatalrat

    • Fatal Rat payload

      ratinfostealer

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

      evasion

    • 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.

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks