MALICIOUS — 6d829bf9f687a251a8246c0febc6c29a5a7bd8497f9e0fb4adfc02f2f8f6b29b

MALICIOUS — 6d829bf9f687a251a8246c0febc6c29a5a7bd8497f9e0fb4adfc02f2f8f6b29b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Fsysna family. 6 of 52 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: 6d829bf9f687a251a8246c0febc6c29a5a7bd8497f9e0fb4adfc02f2f8f6b29b
SHA-1: 5c2b1a80229dd550a78fb1d427a7fcd32a9b6bae
MD5: 7c0aadc558e9d02762125597e59967a5
imphash: b6230692891661869cecd581561a21f4
ssdeep: 12288:zW6n3sX4yCFr2ZemYOpSPIsGWeKZl4q7sioXr:zW6ncoyqOp6IsTl/mXr
TLSH: T1DA4CBED87AC7CD54E8E97B86E44554BDD68BD12F582D2E8F0392C2386F812F3A472112
Submitted as: 6d829bf9f687a251a8246c0febc6c29a5a7bd8497f9e0fb4adfc02f2f8f6b29b
File type: pe · Size: 534770 bytes
Verdict: malicious (100/100) · Family: Fsysna

Detections (6 of 52 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 13 weighted signals:

ClamAV (daily) flagged Win.Worm.Guap-4 (rule Win.Worm.Guap-4) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Fsysna!pz (rule Trojan:Win32/Fsysna!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Heur.Spesr.VB.1 (rule Gen:Heur.Spesr.VB.1) - engine signal, weight 0.55, confidence 0.85
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 32 external host(s) at runtime (14 HTTP) - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001 - dynamic signal, weight 0.40, confidence 0.75
Extracted BlackShades config (0 C2) - engine signal, weight 0.45, confidence 0.60
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
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

81094 behavior events · 2 ATT&CK techniques · 30 dropped files.

Dropped files

/opt/CAPEv2/storage/analyses/7650/files/ae144b1e5055a7c237de39b946de85eb0d09fd4b6e393a50957adf69ab96a363 - ae144b1e5055a7c237de39b946de85eb0d09fd4b6e393a50957adf69ab96a363
/opt/CAPEv2/storage/analyses/7650/files/c4854ea6d65719d0b8ccda58809fa9ea4948b8fa3ef1057c6b9c43b29c907ea9 - c4854ea6d65719d0b8ccda58809fa9ea4948b8fa3ef1057c6b9c43b29c907ea9
/opt/CAPEv2/storage/analyses/7650/files/335f12f5365a9d385341a66c65f52715e85378635cfece344aa431549c224dfe - 335f12f5365a9d385341a66c65f52715e85378635cfece344aa431549c224dfe
/opt/CAPEv2/storage/analyses/7650/files/fae2e41dbe09a5f3692af17a88023d37f213d9d42278785df3848a71fc0efb70 - fae2e41dbe09a5f3692af17a88023d37f213d9d42278785df3848a71fc0efb70
/opt/CAPEv2/storage/analyses/7650/files/ec6d196dba494c84158fd65b2c85dabba4b9eb8347ecef9c7f36086ceaebc561 - ec6d196dba494c84158fd65b2c85dabba4b9eb8347ecef9c7f36086ceaebc561
/opt/CAPEv2/storage/analyses/7650/files/271ed262fb8255cd61f34164f4bdf82e0dfe11dc5fb8c3a353432bc9f3f104b4 - 271ed262fb8255cd61f34164f4bdf82e0dfe11dc5fb8c3a353432bc9f3f104b4
/opt/CAPEv2/storage/analyses/7650/files/98edf129ca2e9d17b12b4a0fbb6ffb35cbecf862b9fc3965e2717c0613c471bc - 98edf129ca2e9d17b12b4a0fbb6ffb35cbecf862b9fc3965e2717c0613c471bc
/opt/CAPEv2/storage/analyses/7650/files/a59be5a53369893d1fa8302937243fa75b054be4b14d4ea3138f8f1ed010f407 - a59be5a53369893d1fa8302937243fa75b054be4b14d4ea3138f8f1ed010f407
/opt/CAPEv2/storage/analyses/7650/files/1134f82b1509f7bf1f3e6fc1711b539e3c92891cace53b8a23fdde489efe0a14 - 1134f82b1509f7bf1f3e6fc1711b539e3c92891cace53b8a23fdde489efe0a14
/opt/CAPEv2/storage/analyses/7650/files/0e9fefec51a3d73e73c987ca3c2b871737bc19a4a36df5500341bd8bc1819fcf - 0e9fefec51a3d73e73c987ca3c2b871737bc19a4a36df5500341bd8bc1819fcf
/opt/CAPEv2/storage/analyses/7650/files/a622b54a778cc6c228099f698e4a0bc82cad4551bea7b9a7ccf6b0da0a03e2fb - a622b54a778cc6c228099f698e4a0bc82cad4551bea7b9a7ccf6b0da0a03e2fb
/opt/CAPEv2/storage/analyses/7650/files/4d2f8b913a92c656bae04813b87683c58324d7f35125743ee57fc67ad93dbe96 - 4d2f8b913a92c656bae04813b87683c58324d7f35125743ee57fc67ad93dbe96
/opt/CAPEv2/storage/analyses/7650/files/b2d3914cc6ccd1a046d571dec1113193344c2c32ff559c53ab9ebd5333b5156e - b2d3914cc6ccd1a046d571dec1113193344c2c32ff559c53ab9ebd5333b5156e
/opt/CAPEv2/storage/analyses/7650/files/cb24b54620b53cad66b504165f0bf8989524dd72920e0a8e850b75a5b62e28be - cb24b54620b53cad66b504165f0bf8989524dd72920e0a8e850b75a5b62e28be
/opt/CAPEv2/storage/analyses/7650/files/df3b54dca3bf2f0acbebcffe812b0618fee2dfe5296e017b473f86e94a9e2cf8 - df3b54dca3bf2f0acbebcffe812b0618fee2dfe5296e017b473f86e94a9e2cf8

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://203.26.79.13/filestreamingservice//files/736bdc20-582e-46c5-ba31-d31d3d97258e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/736bdc20-582e-46c5-ba31-d31d3d97258e?P1=1786285540&P2=404&P3=2&P4=bCdVQmr5ZSSubQE3%2bNgoKac%2f0DMglt8pQFTCp7X6zwP%2f2KK%2bUCviRse1uTK%2bNARd9l3LdQ1QoHx352tpNLV%2fBA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c48ae315-f580-4b6c-801e-58a0f885749d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c48ae315-f580-4b6c-801e-58a0f885749d?P1=1786285673&P2=404&P3=2&P4=UhG0cicX8R%2fUtbaRGPi3hzP99hUCO5%2bNBDOAqzvv3lx3nn2qOOI4sC%2f%2fRqihDMn1qUu3is8uZwyJRykMbS%2flIA%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

20.42.179.192
20.42.65.88
52.253.84.76
52.123.252.198
4.230.171.124
48.211.4.16
135.233.95.135
74.178.76.128
52.168.117.171
172.178.240.162
135.234.160.246
203.26.79.13
74.179.71.159
52.110.12.55
72.145.35.115
52.148.114.188
52.110.12.52
52.110.12.24

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