Overview

overview

10

Static

static

3

351005b4b7...34.exe

windows7-x64

10

351005b4b7...34.exe

windows10-2004-x64

10

$PLUGINSDI...fo.dll

windows7-x64

3

$PLUGINSDI...fo.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...os.dll

windows7-x64

3

$PLUGINSDI...os.dll

windows10-2004-x64

3

$PLUGINSDI...sh.dll

windows7-x64

1

$PLUGINSDI...sh.dll

windows10-2004-x64

1

$PLUGINSDI...ce.dll

windows7-x64

3

$PLUGINSDI...ce.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ry.dll

windows7-x64

3

$PLUGINSDI...ry.dll

windows10-2004-x64

3

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General

  • Target

    351005b4b75c99a659012947472d1611fb149633c97d64b51cf81e451b063534.exe

  • Size

    290KB

  • Sample

    240705-eb4mqssaql

  • MD5

    0d751453de328b964f9c6548c25e4d80

  • SHA1

    8393d331a899041b8322de33d3cf4c124075fa82

  • SHA256

    351005b4b75c99a659012947472d1611fb149633c97d64b51cf81e451b063534

  • SHA512

    9b2ac2675b58e134cdcf226fa52bcf8bb69de7f20784242b86df92eb5a8c04f07bbc206f788512ba1e25714d07bf253cbcb0bcea0e2d2cea1795324c606e1d71

  • SSDEEP

    6144:Y4EUXfbN0SblTPZSqeRpyH5eTbze6N5wW3eWzbkVgTBV+UdvrEFp7hK+2:Y4EWbm+PZKOH5Sze6N5wW3eW3lBjvrEA

Score
10/10
floxifbackdoorpersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      351005b4b75c99a659012947472d1611fb149633c97d64b51cf81e451b063534.exe

    • Size

      290KB

    • MD5

      0d751453de328b964f9c6548c25e4d80

    • SHA1

      8393d331a899041b8322de33d3cf4c124075fa82

    • SHA256

      351005b4b75c99a659012947472d1611fb149633c97d64b51cf81e451b063534

    • SHA512

      9b2ac2675b58e134cdcf226fa52bcf8bb69de7f20784242b86df92eb5a8c04f07bbc206f788512ba1e25714d07bf253cbcb0bcea0e2d2cea1795324c606e1d71

    • SSDEEP

      6144:Y4EUXfbN0SblTPZSqeRpyH5eTbze6N5wW3eWzbkVgTBV+UdvrEFp7hK+2:Y4EWbm+PZKOH5Sze6N5wW3eW3lBjvrEA

    Score
    10/10
    floxifbackdoorpersistenceprivilege_escalationtrojanupx

    • 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.

    • Loads dropped DLL

    • UPX packed file

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

      upx
    behavioral1behavioral2

    • Target

      $PLUGINSDIR/MoreInfo.dll

    • Size

      7KB

    • MD5

      bd393029cc49b415b6c9aeb8a4936516

    • SHA1

      c67fd92fffd18941bed41bfd6ac4f3b04fd123df

    • SHA256

      227a4fc9408a44faa5eca608a974bd536814f97b8a4d28b4cac479727167b026

    • SHA512

      3bb8e5cf4bea7e8adaa62196e58fff9031f49fd4efa78e5bd3e4b9c4e9ba1523864567521793053595d90abec719761a5964ff3abe04b93b24d52e5ffa4c1f96

    • SSDEEP

      96:LEjAlUFPxXJugoImuaKbkBSEPTpsxKaVQ4Ad:gjAiFPxXJugoImJKQk8yxKaVVe

    Score
    3/10
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      bf712f32249029466fa86756f5546950

    • SHA1

      75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

    • SHA256

      7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

    • SHA512

      13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

    • SSDEEP

      192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/

    Score
    3/10
    behavioral5behavioral6

    • Target

      $PLUGINSDIR/execDos.dll

    • Size

      5KB

    • MD5

      0deb397ca1e716bb7b15e1754e52b2ac

    • SHA1

      fbb9bcf872c5dbb4ca4c80fb21d41519bc273ef5

    • SHA256

      720be35cd1b4a333264713dc146b4ad024f3a7ad0644c2d8c6fcedd3c30e8a1f

    • SHA512

      507db0bee0897660750007e7ce674406acf9e8bf942cf26ded5654c07682757b07c9eb767bead0966478abc554dc9a6461c4288dc35d12cacfadad4c128f1bb7

    • SSDEEP

      96:J++xDiP4p7t7dNOt3stxtRFFXxGD6qxlnKE6ttdH3r3:Rx9pJ7jQs5toD6Cln/6tt1

    Score
    3/10
    behavioral7behavioral8

    • Target

      $PLUGINSDIR/newadvsplash.dll

    • Size

      8KB

    • MD5

      55a723e125afbc9b3a41d46f41749068

    • SHA1

      01618b26fec6b8c6bdb866e6e4d0f7a0529fe97c

    • SHA256

      0a70cc4b93d87ecd93e538cfbed7c9a4b8b5c6f1042c6069757bda0d1279ed06

    • SHA512

      559157fa1b3eb6ae1f9c0f2c71ccc692a0a0affb1d6498a8b8db1436d236fd91891897ac620ed5a588beba2efa43ef064211a7fcadb5c3a3c5e2be1d23ef9d4c

    • SSDEEP

      96:/VV0Rwtvrm2nQujIvP9dir3UniV/zRzVR3rN3k8Jd18tsPcaqhx:/VV0KtC2yH9d83BzVR53kEQFaq

    Score
    1/10
    behavioral10behavioral9

    • Target

      $PLUGINSDIR/newtextreplace.dll

    • Size

      11KB

    • MD5

      b5358341df2cb171876a5f201e31a834

    • SHA1

      df34750ea5504274be5ff8ddd306b49e302d04f9

    • SHA256

      156b9b583399faf13c4d46b89339fb0f7f38dc847ac2d7872178d8e3998b9734

    • SHA512

      821dc42e24fa2d44a1d4d16b26c3da2688dac0fa44a266e38da2aff706c91440d83a87abc74131930e6c38a44a0c5e627db2d045375fde147e0edd3276f4b014

    • SSDEEP

      192:GGhRfigbU26niqo9m+9k15AA1NrW0QfaDx3nxNLr6s+:GIwgSnhv/IaDx3n6X

    Score
    3/10
    behavioral11behavioral12

    • Target

      $PLUGINSDIR/nsExec.dll

    • Size

      6KB

    • MD5

      132e6153717a7f9710dcea4536f364cd

    • SHA1

      e39bc82c7602e6dd0797115c2bd12e872a5fb2ab

    • SHA256

      d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2

    • SHA512

      9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1

    • SSDEEP

      96:M/SspqrIYxLPEQhThvov3TE4/2Sa5P9QFFYzOx4uF3sbSEI5LP39sQvM:M/QUG7lhvov36S5FcUjliSEI5LuQ

    Score
    3/10
    behavioral13behavioral14

    • Target

      $PLUGINSDIR/registry.dll

    • Size

      29KB

    • MD5

      2880bf3bbbc8dcaeb4367df8a30f01a8

    • SHA1

      cb5c65eae4ae923514a67c95ada2d33b0c3f2118

    • SHA256

      acb79c55b3b9c460d032a6f3aaf6c642bf8c1d450e23279d091cc0c6ca510973

    • SHA512

      ca978702ce7aa04f8d9781a819a57974f9627e969138e23e81e0792ff8356037c300bb27a37a9b5c756220a7788a583c8e40cc23125bcbe48849561b159c4fa3

    • SSDEEP

      768:HsKZwhFkGOr0Ga4+8DFFHR4mmw5+64fuKwX13:HLKmGOr0Ga4+8DFFHRrmw5+m

    Score
    3/10
    behavioral15behavioral16

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Privilege Escalation

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks