Overview

overview

10

Static

static

1

47b4387dcc...31.exe

windows7-x64

10

47b4387dcc...31.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631

  • Size

    2.1MB

  • Sample

    230924-cfzs8sbg5t

  • MD5

    5fcbabd5a95705ff761a2b41b5971e67

  • SHA1

    1ab7f5a42be348c9d3bc96f5d6805e70ac9888c0

  • SHA256

    47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631

  • SHA512

    23ec990521e8b4ceea5306735c309dd7d88663990883fcf364c0870aca110c62e594a36ed9cd8fcaf9da9006f99e190ee04ae2185c6a64638e3e93d657c2b708

  • SSDEEP

    49152:JbEpdIgOGOaSOFl4KK5+pq1UvM0iTnDJJZk425V/zaBM3Sbawwtl/:JsjOTOI5U4UvMba4aBN3SbA/

Score
10/10
fatalratevasioninfostealerpersistencerat

Malware Config

Targets

    • Target

      47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631

    • Size

      2.1MB

    • MD5

      5fcbabd5a95705ff761a2b41b5971e67

    • SHA1

      1ab7f5a42be348c9d3bc96f5d6805e70ac9888c0

    • SHA256

      47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631

    • SHA512

      23ec990521e8b4ceea5306735c309dd7d88663990883fcf364c0870aca110c62e594a36ed9cd8fcaf9da9006f99e190ee04ae2185c6a64638e3e93d657c2b708

    • SSDEEP

      49152:JbEpdIgOGOaSOFl4KK5+pq1UvM0iTnDJJZk425V/zaBM3Sbawwtl/:JsjOTOI5U4UvMba4aBN3SbA/

    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