MALICIOUS — virussign.com_437745667d74d92a09819b9fb2cc8380.vir
MALICIOUS — virussign.com_437745667d74d92a09819b9fb2cc8380.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (78/100), attributed to the Azov family. 5 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
fda2280e0ac06489d223297bc6fe36955b78b2b767a87e7d965fcd983769487a - SHA-1:
69777a39f3e67d4c8e65f32682fcf7132546a959 - MD5:
437745667d74d92a09819b9fb2cc8380 - imphash:
46c86421d03855f22048c22182f40032 - ssdeep:
3072:iYf6brnonp8BPzU39Kl6VSkHteWpooCYzo21TiNgwX4c5s7cL:qH2pys9pDD7CCo2IjocxL - TLSH:
T128426CA4806F7342E2F7D864B87146DC8825B90CA1B2AFCD5303D16A40F6F7B85768E5 - Submitted as: virussign.com_437745667d74d92a09819b9fb2cc8380.vir
- File type: pe · Size: 205725 bytes
- Verdict: malicious (78/100) · Family: Azov
Source: VirusSign · first seen 2026-08-18T00:00:00.000Z · SHA-256 verified
Detections (5 of 55 engines)
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Ransom:Win64/Azov.psyA!MTB
- Emsisoft (Emergency Kit): Trojan.Ransom.Azov.1
- Trellix Stinger (McAfee): Trojan-FXIH!437745667D74
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 78/100 is the fusion of 6 weighted signals:
- Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Contacted 28 external host(s) at runtime (18 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
26 behavior events · 0 ATT&CK techniques · 1 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
- licensing.mp.microsoft.com
- windows.msn.com
- msedge.api.cdp.microsoft.com
- oneocsp.microsoft.com
Dropped files
- 42d3219a363d5411df0c0864f2f371b2f2c3440024437f221624d6f47aca646b -
42d3219a363d5411df0c0864f2f371b2f2c3440024437f221624d6f47aca646b
Embedded URLs
- http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
- http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
- 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=1787744964&P2=404&P3=2&P4=e%2fr2%2f3av4mxt0fMQABW1Rj7JCf9xP2PsTj0PCV2i0qd2zzw7PpcwRS3uCKWzam%2f%2bbT07%2beywyfVB1eSmMEjqug%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
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787744987&P2=404&P3=2&P4=SnsDFVEBXNNJe6btHKW8SXhMzCJiq0HhyCzJ%2b%2f%2fOYS8mPHLeZpHedJajsWfeNhVC2ocD%2f5muZcymrFlVKJUh2Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- crl.microsoft.com
- www.microsoft.com
Embedded IP addresses
- 203.26.79.13
- 135.233.95.80
- 52.110.12.4
- 51.132.193.104
- 52.110.12.15
- 52.123.252.244
- 52.123.252.212
- 4.144.132.223
- 172.215.188.225
- 4.230.171.124
- 52.123.252.227
- 135.232.92.137
- 135.233.95.135
- 20.50.201.201
- 52.123.252.218
- 52.168.117.168
- 20.231.239.246
- 52.123.129.14
- 40.99.134.2
- 52.123.128.14
- 52.123.252.224
- 135.233.45.223
- 20.184.175.6
- 52.148.114.188
- 52.110.12.16
More Azov samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report