MALICIOUS — a5805a3ecbea1d1846a2700d86a7c5b0729cf5d8a6bb8dc432d038d0fa9cf308
MALICIOUS — a5805a3ecbea1d1846a2700d86a7c5b0729cf5d8a6bb8dc432d038d0fa9cf308 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Fileinfector family. 4 of 55 detection engines flagged it.
Identification
- SHA-256:
a5805a3ecbea1d1846a2700d86a7c5b0729cf5d8a6bb8dc432d038d0fa9cf308 - SHA-1:
cae8d5717feac00e08a6ba539077dd5493101884 - MD5:
11ccbcc9603cd58a74177af53b3cf20a - imphash:
2f820fb95cbee51c5ae3e38684577626 - ssdeep:
98304:6hVcZKSzRhVcZKSzRhVcZKSz/hVcZKSz:6VSrHVSrHVSrZVSr - TLSH:
T14E668ED53369B3C2D8B1DA90E4015E0EA5A394A522BE2DDC4243C06F37FDDB701A725A - Submitted as: a5805a3ecbea1d1846a2700d86a7c5b0729cf5d8a6bb8dc432d038d0fa9cf308
- File type: pe · Size: 6333986 bytes
- Verdict: malicious (97/100) · Family: Fileinfector
Detections (4 of 55 engines)
- ClamAV (daily): Win.Malware.Fileinfector-9834127-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: Trojan:Win32/Vindor!pz
Why this verdict
The malicious score of 97/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Malware.Fileinfector-9834127-0 (rule
Win.Malware.Fileinfector-9834127-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Contacted 22 external host(s) at runtime (17 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 - LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70
Dynamic analysis (windows)
108 behavior events · 0 ATT&CK techniques · 0 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
Embedded URLs
- http://www.microsoft.com/pki/certs/CSPCA.crt0
- http://www.microsoft.com/pki/certs/tspca.crt0
- http://www.microsoft.com/directx0
- 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=1787789766&P2=404&P3=2&P4=WqswNBL66QNqExKrohxgbiU31oyvLLB1DEmNMw7nX8eDDT%2b0UYQ8yHlfNJxMNVRCXuOxIBXZ%2fjO7L%2bTRXfgJbA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- crl.microsoft.com
- www.microsoft.com
Embedded IP addresses
- 20.184.175.23
- 52.123.252.213
- 57.155.101.212
- 4.230.171.124
- 20.247.184.142
- 135.233.95.144
- 52.182.143.212
- 74.179.77.164
- 20.112.250.133
- 52.123.129.14
- 52.123.128.14
- 203.26.79.13
- 52.123.252.216
- 74.178.232.29
- 135.233.45.221
- 52.123.252.215
- 52.110.12.50
- 52.148.114.188
- 52.110.12.14
- 72.153.5.131
- 52.110.12.16
- 52.110.12.15
File paths
- H:\:d:@;T;\;h;
- H:\:d:@;h;
- P:\:h:t:
- X:\:`:d:h:l:p:t:x:
- X:\:`:d:h:l:
- X:\:`:d:h:l:p:t:x:0
More Fileinfector samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report