Overview

overview

10

Static

static

3

5dd07f0dfd...2N.exe

windows7-x64

10

5dd07f0dfd...2N.exe

windows10-2004-x64

10

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General

  • Target

    5dd07f0dfddb6aabee22f8a31ba392a87adc53c98c05e0539d2f5cc81c773c42N.exe

  • Size

    864KB

  • Sample

    250111-bsl78swrhy

  • MD5

    fb9b45f241ce99412b0ef80a71bd06a0

  • SHA1

    4eb6e1c1a42791bb3210a07b6ccfb98277e07622

  • SHA256

    5dd07f0dfddb6aabee22f8a31ba392a87adc53c98c05e0539d2f5cc81c773c42

  • SHA512

    afde9fbdf790598db0905990dd02b5c7ca0d3869b2f32ca9f9411098d8fcd8ecd71f5154b842171ee20ba1233404797fda66234b0de82c0cefb2775fa8ddd7f4

  • SSDEEP

    24576:aXwOrR9VrvETBjZB17JjWf4smDriPgkRhTj9SrTiIYxrEH7J:agwR7ETBjZpm4sgrUfSr+IF

Score
10/10
floxifbackdoorbootkitdefense_evasiondiscoverypersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      5dd07f0dfddb6aabee22f8a31ba392a87adc53c98c05e0539d2f5cc81c773c42N.exe

    • Size

      864KB

    • MD5

      fb9b45f241ce99412b0ef80a71bd06a0

    • SHA1

      4eb6e1c1a42791bb3210a07b6ccfb98277e07622

    • SHA256

      5dd07f0dfddb6aabee22f8a31ba392a87adc53c98c05e0539d2f5cc81c773c42

    • SHA512

      afde9fbdf790598db0905990dd02b5c7ca0d3869b2f32ca9f9411098d8fcd8ecd71f5154b842171ee20ba1233404797fda66234b0de82c0cefb2775fa8ddd7f4

    • SSDEEP

      24576:aXwOrR9VrvETBjZB17JjWf4smDriPgkRhTj9SrTiIYxrEH7J:agwR7ETBjZpm4sgrUfSr+IF

    Score
    10/10
    floxifbackdoorbootkitdefense_evasiondiscoverypersistenceprivilege_escalationtrojanupx

    • Floxif family

      floxif

    • Floxif, Floodfix

      Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

      backdoortrojanfloxif

    • Detects Floxif payload

      backdoor

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

      persistenceprivilege_escalation

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks