MALICIOUS — fbc654b5bf03c229c0c6b8a829e2aa0457c15ec6e5fa29424b86a1eda8a655e5.bin
MALICIOUS — fbc654b5bf03c229c0c6b8a829e2aa0457c15ec6e5fa29424b86a1eda8a655e5.bin is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the HUILoader family. 2 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
fbc654b5bf03c229c0c6b8a829e2aa0457c15ec6e5fa29424b86a1eda8a655e5 - SHA-1:
0520ea4e64620da785c5f7a194fec4884b35041c - MD5:
2ac13e91ea31783e978a03e91955c1e1 - imphash:
18d60425fd93eccbd964ff66b826efa1 - ssdeep:
196608:K7U25VFfS3KpI66XSZweQX2WtnItxveWEK22bzFsFOPSZl5D:6U2Fa3KiFXo8m6na8Wa2aM6bD - TLSH:
T1AB6B22CE520E2521E7AD93902560BE7E06FFE8473B7A4C8CC1F18B5ED5D442F12A119A - Submitted as: fbc654b5bf03c229c0c6b8a829e2aa0457c15ec6e5fa29424b86a1eda8a655e5.bin
- File type: pe · Size: 10488530 bytes
- Verdict: malicious (97/100) · Family: HUILoader
Source: MalShare · first seen 2026-08-18T06:35:49.709Z · SHA-256 verified
Detections (2 of 55 engines)
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Hash: MalShare: known-malicious-hash
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 5 weighted signals:
- Hash: MalShare flagged known-malicious-hash (rule
known-malicious-hash) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload (Container): tsk_620e0a752abc4743.tmp - dynamic signal, weight 0.62, confidence 0.90
- Contacted 29 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://jrsoftware.org/ishelp/index.php?topic=setupcmdline - static signal, weight 0.35, confidence 0.60
Dynamic analysis (windows)
973 behavior events · 0 ATT&CK techniques · 4 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\is-RSMMC.tmp\_isetup\_setup64.tmp -
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95 - C:\Users\analyst\AppData\Local\Temp\is-8VFUM.tmp\tsk_620e0a752abc4743.tmp -
3e5ee620d7f1bc4966166066d01066cdcab8ad2f9b6831cf6c0224861635e7f2 - 28a86f38645103568faead79184a5ac4e34d747a77d7c532e5d55f914fdf75b6 -
28a86f38645103568faead79184a5ac4e34d747a77d7c532e5d55f914fdf75b6 - 2d7f9675a1d04088ab2c487d1f60641ba7398737d09341b96220222645a157c5 -
2d7f9675a1d04088ab2c487d1f60641ba7398737d09341b96220222645a157c5
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- https://jrsoftware.org/ishelp/index.php?topic=setupcmdline
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787643620&P2=404&P3=2&P4=fKUOHzgf2IaSVMJWFiOG8t1aNj%2bc2k6EDM%2byY9dhAl0S%2beF3FiUfmjMnb3B0SX6Oj%2byDd4uOLZevz0wzgBk%2beg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/45cd9142-6feb-4946-89e7-63e58fada30a?P1=1787643665&P2=404&P3=2&P4=iGCuqnmGCPljY2OK0U66NITThmHCzAQh56Q3nwyJbYImhF%2frCkVCeNFEij7VRcXnNK049Z7Muluj9pMxs%2bQxqg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
- y.es
- z.de
- 5.cf
- di.in
- jrsoftware.org
Embedded IP addresses
- 20.42.65.91
- 4.247.188.233
- 4.230.171.124
- 52.253.84.76
- 74.179.77.204
- 20.89.1.10
- 20.165.94.54
- 52.123.129.14
- 20.231.239.246
- 52.110.12.19
- 52.110.12.49
- 203.26.79.13
- 74.178.76.128
- 135.232.92.137
- 172.178.240.161
- 52.123.252.215
- 20.165.94.46
- 52.123.252.225
- 52.123.252.203
- 52.148.114.188
- 4.150.223.109
- 4.150.223.97
- 92.223.78.30
- 72.154.7.98
- 172.178.240.163
File paths
- r:\d;
- d:\2
- k:\mIa
- L:\L
- x:\dirname
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report