MALICIOUS — 28403d16fcedbcc95b7608bb3921ecd48b1e9216e5d71be4961f9ee7d8c71153.bin

MALICIOUS — 28403d16fcedbcc95b7608bb3921ecd48b1e9216e5d71be4961f9ee7d8c71153.bin is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 28403d16fcedbcc95b7608bb3921ecd48b1e9216e5d71be4961f9ee7d8c71153
SHA-1: e3ffe776e4e4ba4bab7cf510435534ef1d5a16ff
MD5: ae40f78ce85b161a1e0db2cfc51c20a4
ssdeep: 49152:1iyHtwDatTjqTIyK0/RJ8OQB8zMuvv8mxMQ35wAiyHtwDatTjqTIyK0/RJ8OQB8J:T
TLSH: T15D62C86CB55AB27F1C7122A87D121445867EF6EFC801491CA0ABEE4E0DD7AC7CC58C4A
Submitted as: 28403d16fcedbcc95b7608bb3921ecd48b1e9216e5d71be4961f9ee7d8c71153.bin
File type: script · Size: 4248081 bytes
Verdict: malicious (91/100)

Source: MalShare · first seen 2026-08-19T06:42:26.444Z · SHA-256 verified

Detections (3 of 53 engines)

ClamAV feed: SaneSecurity foxhole_generic: Sanesecurity.Rogue.0hr.20260818-1233.UNOFFICIAL
Microsoft Defender: Trojan:JS/AgentTesla.GT!MTB
Kaspersky (KVRT): HEUR:Trojan.Script.Generic

MITRE ATT&CK

Why this verdict

The malicious score of 91/100 is the fusion of 2 weighted signals:

ClamAV feed: SaneSecurity foxhole_generic flagged Sanesecurity.Rogue.0hr.20260818-1233.UNOFFICIAL (rule Sanesecurity.Rogue.0hr.20260818-1233.UNOFFICIAL) - engine signal, weight 0.90, confidence 0.95
Obfuscated powershell script: dynamic-exec, wmi, defense-evasion (layers: base64) (rule script-deobfuscation) - static signal, weight 0.55, confidence 0.75

Dynamic analysis (windows)

15661 behavior events · 2 ATT&CK techniques · 2 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
250.255.255.239.in-addr.arpa
desktop-hsgcbep._dosvc._tcp.local
ntp.ubuntu.com
desktop-hsgcbep
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=1787726829&P2=404&P3=2&P4=ezXwp%2fC9Pa1gksmxRQIHlerqqpg6B3cQmSiaaEdqZcKQwbvWZTuWycoR7kbG3IzVmm91aAoTOWCnm8InQuzzww%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
23.40.52.209

Dropped files

C:\Temp\ps_lNj23ZO90jIU_1787147168761.ps1 - 04fc598c2e7dd7fcaa7b595ff8b72d72b416cdf245490c69ab39e227eadcf5c8
2feeda6090d26c471b29c079a90dee73482564def8d3ccb104ca731cefff3b7a - 2feeda6090d26c471b29c079a90dee73482564def8d3ccb104ca731cefff3b7a

Embedded URLs

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=1787726829&P2=404&P3=2&P4=ezXwp%2fC9Pa1gksmxRQIHlerqqpg6B3cQmSiaaEdqZcKQwbvWZTuWycoR7kbG3IzVmm91aAoTOWCnm8InQuzzww%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded IP addresses

172.172.255.216
4.247.188.224
135.232.92.137
172.172.255.217
40.84.85.40
20.42.179.192
74.178.232.29
52.123.252.244
4.144.132.223
52.110.12.19
4.230.171.124
74.178.240.61
74.178.240.51
52.123.129.14
52.178.17.2
135.232.92.34
72.153.5.128
135.234.160.245
203.26.79.13
57.150.192.97
135.233.45.221
52.123.252.226
52.123.252.229
52.148.114.188

File paths

C:\x5cTemp\x5c

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report