Overview

overview

10

Static

static

3

rnrwBsCuxDulkmr.exe

windows7-x64

10

rnrwBsCuxDulkmr.exe

windows10-2004-x64

10

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General

  • Target

    rnrwBsCuxDulkmr.exe

  • Size

    268KB

  • Sample

    241121-j5tf3svkhk

  • MD5

    55d0dadc4feb5873b80d1a61d7a8c622

  • SHA1

    afff011f61f629d240865389298f60465384f468

  • SHA256

    ed4e3a26d49cfdfce3c734d35bead1aef612614c1ec6ab7ce4110d936ec2e43c

  • SHA512

    1f3162c2dbf1bf040549986d256ba36c835bf8ab5aa22536cd50ae31a1c4385f1aac5412d935b2752be039ccdddb302f2e0e03edf192de67aca5a83abe0a2ce1

  • SSDEEP

    6144:n147gBGl86ggtZEvDQ9u7JaSBV+UdvrEFp7hKcR0:nmIGBggtZEvDQwJnBjvrEH7/R0

Score
10/10
floxifbackdoordiscoverytrojanupx

Malware Config

Targets

    • Target

      rnrwBsCuxDulkmr.exe

    • Size

      268KB

    • MD5

      55d0dadc4feb5873b80d1a61d7a8c622

    • SHA1

      afff011f61f629d240865389298f60465384f468

    • SHA256

      ed4e3a26d49cfdfce3c734d35bead1aef612614c1ec6ab7ce4110d936ec2e43c

    • SHA512

      1f3162c2dbf1bf040549986d256ba36c835bf8ab5aa22536cd50ae31a1c4385f1aac5412d935b2752be039ccdddb302f2e0e03edf192de67aca5a83abe0a2ce1

    • SSDEEP

      6144:n147gBGl86ggtZEvDQ9u7JaSBV+UdvrEFp7hKcR0:nmIGBggtZEvDQwJnBjvrEH7/R0

    Score
    10/10
    floxifbackdoordiscoverytrojanupx

    • Floxif family

      floxif

    • Floxif, Floodfix

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

      backdoortrojanfloxif

    • Detects Floxif payload

      backdoor

    • 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.

    • Loads dropped DLL

    • Enumerates connected drives

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

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks