MALICIOUS — virussign.com_4838ddf90d579b561d840487ca37b970.vir
MALICIOUS — virussign.com_4838ddf90d579b561d840487ca37b970.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the AntiDebug family. 5 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
c5df5058508f90954d1d570fc5091cd54da9ee3e59a4898cbc5ec4f3299f8ee8 - SHA-1:
39a326e7827b39007b94d075ad659a26959444de - MD5:
4838ddf90d579b561d840487ca37b970 - imphash:
d41d8cd98f00b204e9800998ecf8427e - ssdeep:
196608:h9Fp3AnmCA1SE7xtLIuniAborEXiHAKfJ458UD:3XAnmlHNJrnpkoD584 - TLSH:
T1B86922A2000761B2D5F7CD5AA42E85ED8063F05895728B6F9007E41E429C3BFF7F68A5 - Submitted as: virussign.com_4838ddf90d579b561d840487ca37b970.vir
- File type: pe · Size: 8532992 bytes
- Verdict: malicious (97/100) · Family: AntiDebug
Source: VirusSign · first seen 2026-08-25T00:00:00.000Z · SHA-256 verified
Detections (5 of 56 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text,.datawcp,.rdataiz,.tlsjcyb
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): Trojan.GenericKDZ.119183
- Kaspersky (KVRT): HEUR:Trojan.Win64.Convagent.gen
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 10 weighted signals:
- Microsoft Defender flagged flagged (rule
flagged) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Trojan.GenericKDZ.119183 (rule
Trojan.GenericKDZ.119183) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan.Win64.Convagent.gen (rule
HEUR:Trojan.Win64.Convagent.gen) - engine signal, weight 0.55, confidence 0.85 - Contacted 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:.text,.datawcp,.rdataiz,.tlsjcyb (rule
high-entropy-sections:.text,.datawcp,.rdataiz,.tlsjcyb) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-sections:.text,.datawcp,.rdataiz,.tlsjcyb - static signal, weight 0.25, confidence 0.55
- enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
877 behavior events · 0 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- officeclient.microsoft.com
- www.msn.com
- odc.officeapps.live.com
- assets.msn.com
- www.bing.com
- fe3cr.delivery.mp.microsoft.com
- th.bing.com
- v10.events.data.microsoft.com
- settings-win.data.microsoft.com
Dropped files
- 7be28f288f86663b17607ae7f9bf0def2dbd3620a04c8587ff6f258c174cb2cc -
7be28f288f86663b17607ae7f9bf0def2dbd3620a04c8587ff6f258c174cb2cc - 7adbd08ce55fa06c092ca4e1855445c5abf1594e4dc673e21509b11160421017 -
7adbd08ce55fa06c092ca4e1855445c5abf1594e4dc673e21509b11160421017
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- e.uk
- h.mx
- hx.gq
- bsb.us
Embedded IP addresses
- 20.42.65.93
- 20.247.185.124
- 4.230.171.124
- 135.232.92.97
- 52.168.117.170
- 172.215.188.232
- 74.179.77.204
- 172.64.154.167
- 4.247.188.233
- 52.110.12.2
- 52.110.12.11
File paths
- y:\E
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report