MALICIOUS — virussign.com_2723891fffb1f21201b13d5180e06820.vir
MALICIOUS — virussign.com_2723891fffb1f21201b13d5180e06820.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Aenjaris family. 6 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.
Identification
- SHA-256:
53969a4889fda7d603269f1cc8669b66f6b6ada482cc04cc4f5e751c4097628d - SHA-1:
e6390c5c1c8f8cfb9f085a8b0ae4c6eda52e33d9 - MD5:
2723891fffb1f21201b13d5180e06820 - imphash:
8c235e3a9d7f61224225c532f7c9583a - ssdeep:
3072:gaJUoAbFDs6HdqpQj8u7DcYuHwTs9CLkeaqM7OBv04NLthEjQT6j:7ajFIyqpm8ukYTs9skLqMSBv0QEj1 - TLSH:
T125428DE4AE382B50CE7DE0CCEE21644E9421745D283DAA4E87C785A204D367FD978C5B - Submitted as: virussign.com_2723891fffb1f21201b13d5180e06820.vir
- File type: pe · Size: 212992 bytes
- Verdict: malicious (99/100) · Family: Aenjaris
Source: VirusSign · first seen 2026-08-18T00:00:00.000Z · SHA-256 verified
Detections (6 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Razy-9759519-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Trojan:Win32/Aenjaris.AL!bit
- Emsisoft (Emergency Kit): Trojan.Agent.DCBC
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Razy-9759519-0 (rule
Win.Malware.Razy-9759519-0) - 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 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 31 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497, T1497.001, T1082 - dynamic signal, weight 0.40, confidence 0.75
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - persist via registry run key (rule
persist via registry run key) - capa signal, weight 0.35, confidence 0.60 - Dropped 10 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
39028 behavior events · 2 ATT&CK techniques · 10 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:\Windows\System\JXPJT.exe -
1a6381f7156d59766090489819b1f4385030ee51fb9bf20a43dad0a534b6fba6 - C:\Windows\System32\FRFUD.exe -
f8a2545d8ef12579a24c6d721fa2aff6119eea66f8295fa372a852d2e4792be5 - C:\Windows\XNON.exe -
e445242c3f573a9c5185482ef574f4919ae39bf375d6c805691f22f548fd62cc - C:\Windows\XDII.exe -
78162ff63aad7444ba154442c3a7287e22b1ffaa88200a279d6a118131e0e96a - C:\Windows\JJRAR.exe -
ed03d034981f669ee9c0735673315c40b7770b6dbdc25eb82eb78f0ba39b9f2b - C:\Windows\GJMS.exe -
788314be1928902962516079d2584c4f2de9f7695ca5ac9e54a3155cbbe59627 - C:\Windows\BFPAF.exe -
6913c4e6974ec0162f591e626e1647437c5d72e8f695f5aa6589eed455fbd3a6 - C:\Windows\System\GFILMOS.exe -
ffd02d26d10c2d464383a2f6cb399ce5d2514efa881d7232f9d9b699be21c1cf - C:\Windows\IBKWLV.exe -
495ead92baf04f5a02081445801dd8d562db0b8f51b10d06ea133081accba7e5 - C:\Windows\ONQH.exe -
b020da4c649a5e3655c749f675917f390f603751f4d4e4b7ce3cade8af198942
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=1787730767&P2=404&P3=2&P4=ekn71rySXQ21GP6DYSBDudi2BAUFndpYjqtaIys4vXDRG2gykH1P%2f1%2bGpmgaAzY4Brw7MnIlDF5dFc0ST9uc9g%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=1787730871&P2=404&P3=2&P4=QCSwg2GFBFje3NGHfWWprnR0oBk6z7XH2qZko%2byRNjHc0uD9rm9P1CHaOwtgJHO8dIHlp6EVNXc0eOjcZysMDw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 203.26.79.13
- 4.150.223.114
- 52.123.252.238
- 57.154.63.210
- 4.230.171.124
- 20.247.184.142
- 135.233.95.144
- 135.233.95.135
- 20.184.175.9
- 20.42.65.94
- 52.123.129.14
- 20.236.44.162
- 52.123.128.14
- 52.123.252.231
- 172.178.240.163
- 57.155.104.224
- 40.84.85.40
- 162.159.142.9
- 135.233.45.223
- 172.178.240.162
- 52.148.114.188
- 135.234.160.246
- 135.234.160.245
- 4.150.223.112
- 74.178.232.29
File paths
- f:\rtm\vctools\vc7libs\ship\atlmfc\include\afxwin2.inl
- C:\windows\%s
- C:\windows\system32\%s
- C:\windows\system\%s
- c:\stop-adw.txt
More Aenjaris samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report