floxif | aa3874dd640b90e924c5d8f7c92fa932714e436e688611a4d2e634f58122f918 | Triage™

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General

Target
c113d33c057164e295b3c3b2f9caf1b0N.exe
Size 595KB
Sample240901-gk5mhatamn
SHA256 aa3874dd640b90e924c5d8f7c92fa932714e436e688611a4d2e634f58122f918
MD5 c113d33c057164e295b3c3b2f9caf1b0
SHA1 643099c58be534bc24da2a7d035f13f25146726a
SHA512 3132f37cf11d087057f9b652a986ae040009f37d6e6680c2798391b0904e4ff950ecde4da142d8f895e0b5fe827424ce1ae55116ade1018fc7e3c0d1be26db0e
SSDEEP 12288:QUEtwm9mYUzxXMOf4fBHMQTBjvrEH7qnk:jywNxDfaMQJrEH7Uk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

floxif backdoor discovery persistence privilege_escalation trojan upx

Malware Config

Targets

- Target
  c113d33c057164e295b3c3b2f9caf1b0N.exe
- Size 595KB
- SHA256 aa3874dd640b90e924c5d8f7c92fa932714e436e688611a4d2e634f58122f918
- MD5 c113d33c057164e295b3c3b2f9caf1b0
- SHA1 643099c58be534bc24da2a7d035f13f25146726a
- SHA512 3132f37cf11d087057f9b652a986ae040009f37d6e6680c2798391b0904e4ff950ecde4da142d8f895e0b5fe827424ce1ae55116ade1018fc7e3c0d1be26db0e
- SSDEEP 12288:QUEtwm9mYUzxXMOf4fBHMQTBjvrEH7qnk:jywNxDfaMQJrEH7Uk
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

floxif backdoor discovery trojan upx persistence privilege_escalation
- Floxif, Floodfix
  Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
  backdoor trojan floxif
- 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.
  persistence privilege_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
behavioral1 behavioral2
- Target
  $PLUGINSDIR/System.dll
- Size 11KB
- SHA256 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
- MD5 bf712f32249029466fa86756f5546950
- SHA1 75ac4dc4808ac148ddd78f6b89a51afbd4091c2e
- SHA512 13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4
- SSDEEP 192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral3 behavioral4
- Target
  $PLUGINSDIR/UAC.dll
- Size 13KB
- SHA256 c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af
- MD5 a88baad3461d2e9928a15753b1d93fd7
- SHA1 bb826e35264968bbc3b981d8430ac55df1e6d4a6
- SHA512 5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a
- SSDEEP 192:qP6KdXy+Yo7e1J8qC25a5mDFmCLGUCVGpU6uNck87I0S/TDqwyTq+:q/q3Pgd5mx6VkEck87ILCTN
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral5 behavioral6
- Target
  $PLUGINSDIR/execDos.dll
- Size 5KB
- SHA256 720be35cd1b4a333264713dc146b4ad024f3a7ad0644c2d8c6fcedd3c30e8a1f
- MD5 0deb397ca1e716bb7b15e1754e52b2ac
- SHA1 fbb9bcf872c5dbb4ca4c80fb21d41519bc273ef5
- SHA512 507db0bee0897660750007e7ce674406acf9e8bf942cf26ded5654c07682757b07c9eb767bead0966478abc554dc9a6461c4288dc35d12cacfadad4c128f1bb7
- SSDEEP 96:J++xDiP4p7t7dNOt3stxtRFFXxGD6qxlnKE6ttdH3r3:Rx9pJ7jQs5toD6Cln/6tt1
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral7 behavioral8
- Target
  $PLUGINSDIR/newadvsplash.dll
- Size 8KB
- SHA256 0a70cc4b93d87ecd93e538cfbed7c9a4b8b5c6f1042c6069757bda0d1279ed06
- MD5 55a723e125afbc9b3a41d46f41749068
- SHA1 01618b26fec6b8c6bdb866e6e4d0f7a0529fe97c
- SHA512 559157fa1b3eb6ae1f9c0f2c71ccc692a0a0affb1d6498a8b8db1436d236fd91891897ac620ed5a588beba2efa43ef064211a7fcadb5c3a3c5e2be1d23ef9d4c
- SSDEEP 96:/VV0Rwtvrm2nQujIvP9dir3UniV/zRzVR3rN3k8Jd18tsPcaqhx:/VV0KtC2yH9d83BzVR53kEQFaq
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral10 behavioral9
- Target
  $PLUGINSDIR/newtextreplace.dll
- Size 11KB
- SHA256 156b9b583399faf13c4d46b89339fb0f7f38dc847ac2d7872178d8e3998b9734
- MD5 b5358341df2cb171876a5f201e31a834
- SHA1 df34750ea5504274be5ff8ddd306b49e302d04f9
- SHA512 821dc42e24fa2d44a1d4d16b26c3da2688dac0fa44a266e38da2aff706c91440d83a87abc74131930e6c38a44a0c5e627db2d045375fde147e0edd3276f4b014
- SSDEEP 192:GGhRfigbU26niqo9m+9k15AA1NrW0QfaDx3nxNLr6s+:GIwgSnhv/IaDx3n6X
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral11 behavioral12
- Target
  $PLUGINSDIR/nsExec.dll
- Size 6KB
- SHA256 d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2
- MD5 132e6153717a7f9710dcea4536f364cd
- SHA1 e39bc82c7602e6dd0797115c2bd12e872a5fb2ab
- SHA512 9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1
- SSDEEP 96:M/SspqrIYxLPEQhThvov3TE4/2Sa5P9QFFYzOx4uF3sbSEI5LP39sQvM:M/QUG7lhvov36S5FcUjliSEI5LuQ
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral13 behavioral14
- Target
  $PLUGINSDIR/registry.dll
- Size 29KB
- SHA256 acb79c55b3b9c460d032a6f3aaf6c642bf8c1d450e23279d091cc0c6ca510973
- MD5 2880bf3bbbc8dcaeb4367df8a30f01a8
- SHA1 cb5c65eae4ae923514a67c95ada2d33b0c3f2118
- SHA512 ca978702ce7aa04f8d9781a819a57974f9627e969138e23e81e0792ff8356037c300bb27a37a9b5c756220a7788a583c8e40cc23125bcbe48849561b159c4fa3
- SSDEEP 768:HsKZwhFkGOr0Ga4+8DFFHR4mmw5+64fuKwX13:HLKmGOr0Ga4+8DFFHRrmw5+m
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral15 behavioral16

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

AppInit DLLs

Privilege Escalation

Event Triggered Execution

AppInit DLLs

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

floxifbackdoordiscoverytrojanupx

behavioral2

floxifbackdoordiscoverypersistenceprivilege_escalationtrojanupx

behavioral3

behavioral4

behavioral5

behavioral6

behavioral7

behavioral8

behavioral9

behavioral10

behavioral11

behavioral12

behavioral13

behavioral14

behavioral15

behavioral16