MALICIOUS — 650129d73908157ec3c88412a7e4b9efa7eb731b18c0eef9adfbfa3a4dabfb30

MALICIOUS — 650129d73908157ec3c88412a7e4b9efa7eb731b18c0eef9adfbfa3a4dabfb30 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: 650129d73908157ec3c88412a7e4b9efa7eb731b18c0eef9adfbfa3a4dabfb30
SHA-1: d7aa722bcede06e826cfefe27b4982115e6ad3d6
MD5: b0848120af746eb03655a21eabc9a4bd
imphash: b6230692891661869cecd581561a21f4
ssdeep: 12288:zW6n3sX4yCFr2ZemYOpSPIsGWeKZl4q7sioXS:zW6ncoyqOp6IsTl/mXS
TLSH: T1554CBED87AC7CD54E8E97B86E44554BDD68BD12F582D2E8F0392C2386F812F3A472112
Submitted as: 650129d73908157ec3c88412a7e4b9efa7eb731b18c0eef9adfbfa3a4dabfb30
File type: pe · Size: 534734 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 31 external host(s) at runtime (9 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)

81266 behavior events · 2 ATT&CK techniques · 30 dropped files.

Dropped files

/opt/CAPEv2/storage/analyses/7614/files/e832669a8723d9fdfe1df423d0284ba93434226433d35026ff1edef64b83847a - e832669a8723d9fdfe1df423d0284ba93434226433d35026ff1edef64b83847a
/opt/CAPEv2/storage/analyses/7614/files/2761b775c74b6f03ec32f7aeb0e876510b9931d20174cb2eb09ac56ff51e3202 - 2761b775c74b6f03ec32f7aeb0e876510b9931d20174cb2eb09ac56ff51e3202
/opt/CAPEv2/storage/analyses/7614/files/93378b8b1539028ca35f3814bbb3c4407c7f029273a1219713a82ce4e56c3004 - 93378b8b1539028ca35f3814bbb3c4407c7f029273a1219713a82ce4e56c3004
/opt/CAPEv2/storage/analyses/7614/files/f2d4c21821da6ee70726ab13e3679251351e1e00c3dbdf130134ba01d0e11f10 - f2d4c21821da6ee70726ab13e3679251351e1e00c3dbdf130134ba01d0e11f10
/opt/CAPEv2/storage/analyses/7614/files/fe73574f0c0d0f9b8663eb6be479fc79136c580037828d4780f3d43f1ca347bb - fe73574f0c0d0f9b8663eb6be479fc79136c580037828d4780f3d43f1ca347bb
/opt/CAPEv2/storage/analyses/7614/files/e41e667c3c3198c34b7c0b65d27c1485d6b79bb8bd7323267ede1056d717b897 - e41e667c3c3198c34b7c0b65d27c1485d6b79bb8bd7323267ede1056d717b897
/opt/CAPEv2/storage/analyses/7614/files/ce5bdc60f319e067474789de2ce58b079f705339cd62c9d94f3c4ad7db55d95d - ce5bdc60f319e067474789de2ce58b079f705339cd62c9d94f3c4ad7db55d95d
/opt/CAPEv2/storage/analyses/7614/files/d563de6aff84dc503340a9344ee0e70883e11d85722d1bc235feb59403e31991 - d563de6aff84dc503340a9344ee0e70883e11d85722d1bc235feb59403e31991
/opt/CAPEv2/storage/analyses/7614/files/d35f5c05ac0267ceeb4cc597a5ac2dd9957e9e510a219da769878cb53edb6c9c - d35f5c05ac0267ceeb4cc597a5ac2dd9957e9e510a219da769878cb53edb6c9c
/opt/CAPEv2/storage/analyses/7614/files/ccdf49f39dd59643fda9572efce248d12c876fa0f45815dde9a8718e2f96bbc8 - ccdf49f39dd59643fda9572efce248d12c876fa0f45815dde9a8718e2f96bbc8
/opt/CAPEv2/storage/analyses/7614/files/b05cb0b369aaf680f283528d54a6fdd530d2a18293680bbd19c15a3cff68f606 - b05cb0b369aaf680f283528d54a6fdd530d2a18293680bbd19c15a3cff68f606
/opt/CAPEv2/storage/analyses/7614/files/fd61ccd53b95151234b90aff2ecda5c687a934406d15e7e567c55caa76f7ff5e - fd61ccd53b95151234b90aff2ecda5c687a934406d15e7e567c55caa76f7ff5e
/opt/CAPEv2/storage/analyses/7614/files/8fc46279dfe3b22302f5c71ffba66558ab3db26383dfbb7685e7bf4a7c73d4b3 - 8fc46279dfe3b22302f5c71ffba66558ab3db26383dfbb7685e7bf4a7c73d4b3
/opt/CAPEv2/storage/analyses/7614/files/6211c74b1f32e8deec59d4ba39a3bd2eb9db2208a533c651136e8a37915a06c7 - 6211c74b1f32e8deec59d4ba39a3bd2eb9db2208a533c651136e8a37915a06c7
/opt/CAPEv2/storage/analyses/7614/files/a50625004567ba31902cfa411119afce68919234496922e8566709df487969c8 - a50625004567ba31902cfa411119afce68919234496922e8566709df487969c8

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=1786282737&P2=404&P3=2&P4=WYF2LjRgLBP6KB0pNg7RUWVKjncp4IBlJlkk3mkxgs2JOoH%2fRwrcwX29eL7m0tpNZ93N1gM0elEKGheu9mHnxg%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

52.168.117.171
4.144.132.114
172.215.188.232
4.230.171.124
20.247.184.142
135.233.95.135
74.178.76.128
4.150.223.103
135.234.160.244
52.110.12.4
203.26.79.13
20.42.65.91
4.207.44.68
52.123.252.238
135.233.95.80
52.148.114.188
72.153.5.132
52.110.12.52

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