MALICIOUS — virussign.com_1482275385861d3d67759fc404ecf730.vir
MALICIOUS — virussign.com_1482275385861d3d67759fc404ecf730.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Guap family. 6 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.
Identification
- SHA-256:
0dbece7efcb60b2c88539365aba42222e147f63cfd59eae21c99d52a9ca96587 - SHA-1:
c7d82d1654c5baf2cc790bdd4bb3f69e194cb13d - MD5:
1482275385861d3d67759fc404ecf730 - imphash:
b6230692891661869cecd581561a21f4 - ssdeep:
12288:zW6n3sX4yCFr2ZemYOpSPIsGWeKZl4q7sioXR:zW6ncoyqOp6IsTl/mXR - TLSH:
T1204CBEC8BAC7DD54E8E97B86E45544BDD68BD12F186D2E8F0392C2386F812F3A471112 - Submitted as: virussign.com_1482275385861d3d67759fc404ecf730.vir
- File type: pe · Size: 533240 bytes
- Verdict: malicious (100/100) · Family: Guap
Source: VirusSign · first seen 2026-08-18T00:00:00.000Z · SHA-256 verified
Detections (6 of 55 engines)
- ClamAV (daily): Win.Worm.Guap-4
- YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
- YARA: MalwareAnalyser community pack: TL_Windows_Persistence_RunKey
- Microsoft Defender: Trojan:Win32/Fsysna!pz
- Emsisoft (Emergency Kit): Gen:Heur.Spesr.VB.1
- Kaspersky (KVRT): Trojan.Win32.Fsysna.gevi
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 12 weighted signals:
- ClamAV (daily) flagged Win.Worm.Guap-4 (rule
Win.Worm.Guap-4) - engine signal, weight 0.90, confidence 0.95 - 1 behavioral detection(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Observed at runtime: Registry Run Key Persistence (T1547.001) (rule
Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 20 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule
DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_Windows_Persistence_RunKey (rule
TL_Windows_Persistence_RunKey) - 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 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Dropped 16 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)
64502 behavior events · 3 ATT&CK techniques · 24 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
- config.edge.skype.com
- v20.events.data.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- settings-win.data.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\WPWLFELUKPHYPDO\service.exe -
4a1adc50405b4c1248cdca146e1818c8f2ade4dabbd1d39a6146c97524e34ae8 - C:\Users\analyst\AppData\Local\Temp\XQPXLKMHFMIXLSB\service.exe -
ad33ea29f14e1912aa02741e28ca90b9854bd687349a70ed668e3d53dd71d547 - C:\Users\analyst\AppData\Local\TempDRYHT.bat -
45105333c07e4e9014f01ed5cabf60fea8b626705eaa7862d3f2a051c8c9f11e - C:\Users\analyst\AppData\Local\TempSUPIL.bat -
e0c4128f97c9c67b1201276f0f57f7829bbf215a5a5bc355d4a6b8f5e09dc69c - C:\Users\analyst\AppData\Local\TempQYKRV.bat -
08260485ffa190773bb77cb55e50ae13ce0d27cbf8fefc8d97fd2ac69b6a9249 - C:\Users\analyst\AppData\Local\Temp\WRCONOJIOKANVEP\service.exe -
9813d8c629bb7e11fddd8b12b4e5ac7d908b2ae53a92ef2f7bc27781b9593125 - C:\Users\analyst\AppData\Local\Temp\ILXWAYTRAYTJXFN\service.exe -
9b62323a8fc75e3b917031bc31441491862ee9889ed3c16692085e2c741b6c8a - C:\Users\analyst\AppData\Local\TempFGWPS.bat -
3098d8b43196b9a6e646000bc2d0d353641710a5a0a62ad59830cbbdee801bce - C:\Users\analyst\AppData\Local\TempGEIWA.bat -
a196e1cd5d19227cf65788296679248cf7e920d72987db0c6935331bb3892376 - C:\Users\analyst\AppData\Local\TempPFSAJ.bat -
b16bf37e718e410b1d2034081ac9396b560920f06e7568717cd06997dc674af7 - C:\Users\analyst\AppData\Local\TempWESRD.bat -
bde6981323a39decd9ca4d09a14d17b6b3b1adde2e72b7e1ee9c0118daac9904 - C:\Users\analyst\AppData\Local\Temp\ORGAXGPFLNSXEEC\service.exe -
aa6557e9c6b2cffee147b30fb2ce5786fcbeccb5ebba9b1ba784cfb8d8878cc8 - C:\Users\analyst\AppData\Local\TempDABKY.bat -
cbb7fba5c86bb00082ff621f539289f88ef49e936daa1d04484f841784cb279a - C:\Users\analyst\AppData\Local\Temp\XQPXLLMHFMIYLSC\service.exe -
c546e831023d8719c2bb79f5869938246faa5c46b16224d16dca60ff58b33140 - C:\Users\analyst\AppData\Local\Temp\MFUEMABVBRMAHCG\service.exe -
3a2d1a8ae27a7c772b82a5a78abfbde7152f952f1fbfb43aa20b43d231db9d55
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=1787739758&P2=404&P3=2&P4=HKsDGd1MSxXYXp5uqPSh6Z1ux5doKH0C%2bbEfMQojrIbPyT0qhan59ZzBcZUtWxS8JTSUdwLVEUXRK5cBz1LevQ%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=1787739882&P2=404&P3=2&P4=HPsej%2f1v%2fMfAzOFU9kiUKohRM9YBZrxGJPnxtkYvxq%2f21z%2fVDsFhp7jzso4NRIe%2fzwu1095%2f3VJ3LaIB7qKSHQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- server.com
- tsymantec.com
- tsecurityresponse.symantec.com
- tsarc.com
- twww.sarc.com
- twww.sophos.com
- tsophos.com
- twww.mcafee.com
- tmcafee.com
- tliveupdate.symantecliveupdate.com
- twww.viruslist.com
- tviruslist.com
- tf-secure.com
- twww.f-secure.com
- tf-prot.com
- twww.f-prot.com
- tkaspersky.com
- tkaspersky-labs.com
- twww.avp.com
- tavp.com
- twww.kaspersky.com
- twww.networkassociates.com
- tnetworkassociates.com
- twww.ca.com
- tca.com
Embedded IP addresses
- 20.42.73.24
- 20.247.184.197
- 57.155.101.212
- 4.230.171.124
- 74.178.76.128
- 20.165.94.54
- 13.89.179.15
- 20.236.44.162
- 52.123.128.14
- 92.223.78.30
- 203.26.79.13
- 172.178.240.163
- 135.233.45.221
- 52.148.114.188
- 20.165.94.46
- 20.42.179.204
- 72.154.7.96
- 135.232.92.34
- 52.110.12.40
- 52.110.12.31
Registry keys
- HKCU\Software\Microsoft\Windows\CurrentVersion\Run
File paths
- C:\Program
- C:\WINDOWS\system32\drivers\etc\hosts
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report