MALICIOUS — ca1bace4b905eb8da10a6f69c87839f326dd4fa291c51f625318f09c48373e17
MALICIOUS — ca1bace4b905eb8da10a6f69c87839f326dd4fa291c51f625318f09c48373e17 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Zusy family. 5 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
ca1bace4b905eb8da10a6f69c87839f326dd4fa291c51f625318f09c48373e17 - SHA-1:
370e851dd77d2824a26a583d60d06eec34381b02 - MD5:
eb2a5549e423c61a46b4393ab33c5f21 - imphash:
858aee865f44703f181e0ac78825594b - ssdeep:
24576:sY4G2qLMJalsnqShyoo77lUabuSvbDQOOdIxJsG99:B3XZynV4oDabuWbDQOcIxJJ99 - TLSH:
T1CB51230B32524BEBE768A73E0E5F6D6E6C5EC6391851A5CD6A27FA433DC20430213674 - Submitted as: ca1bace4b905eb8da10a6f69c87839f326dd4fa291c51f625318f09c48373e17
- File type: pe · Size: 835593 bytes
- Verdict: malicious (96/100) · Family: Zusy
Detections (5 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:L2bHL
- ClamAV (daily): Win.Malware.Fragtor-9909039-0
- Microsoft Defender: Trojan:Win32/Zusy.EM!MTB
- Emsisoft (Emergency Kit): Gen:Variant.Zusy.465014
- Kaspersky (KVRT): HEUR:Packed.Win32.Vemply.gen
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Malware.Fragtor-9909039-0 (rule
Win.Malware.Fragtor-9909039-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 3 finding(s), e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.55, confidence 0.85 - Contacted 20 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: high-entropy-sections:L2bHL - static signal, weight 0.25, confidence 0.55
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
141 behavior events · 0 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
- 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\1E0F0F0C120C156B155A15D0A0B160F0E160C.exe -
8253d7b13a04786671e21d0ee602e49b59f838410de48a138eef7083d359e4c5 - 8931595a5a9d36f6824b967c93fc2a885a4879fcbd6d6f3a4a923bcb1b6fee6a -
8931595a5a9d36f6824b967c93fc2a885a4879fcbd6d6f3a4a923bcb1b6fee6a
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787895682&P2=404&P3=2&P4=Qajp6N6lqJ7cR7VOLeiaibzFPsS9aEBA0avgp4C44Ze8FP7dzLOqinYAtTAHARVkAcNFiYoc88qcIfLfgIQFWA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.150.223.113
- 4.144.132.223
- 4.230.171.124
- 40.84.97.4
- 74.179.77.204
- 135.233.95.135
- 52.182.143.212
- 52.123.128.14
- 20.236.44.162
- 52.123.129.14
- 40.104.4.2
- 172.178.240.163
- 4.150.223.102
- 203.26.79.13
- 92.223.78.30
- 72.145.35.107
- 74.178.232.29
- 52.148.114.188
- 52.110.12.21
- 52.110.12.5
File paths
- t:\c
More Zusy samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report