MALICIOUS — 237a01c30c2265d640ca96f9ad20039abac966cfc8b174c8bdc0a6c9627275b6

MALICIOUS — 237a01c30c2265d640ca96f9ad20039abac966cfc8b174c8bdc0a6c9627275b6 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: 237a01c30c2265d640ca96f9ad20039abac966cfc8b174c8bdc0a6c9627275b6
SHA-1: 012784d80c459dc9ab4889b2b27e034fe086854a
MD5: 86d823acacc16ccd97f9dc404fb25959
imphash: b6230692891661869cecd581561a21f4
ssdeep: 12288:zW6n3sX4yCFr2ZemYOpSPIsGWeKZl4q7sioXf:zW6ncoyqOp6IsTl/mXf
TLSH: T1954CBED87AC7CD54E8E97B86E44554BDD68BD12F582D2E8F0392C2386F812F3A472112
Submitted as: 237a01c30c2265d640ca96f9ad20039abac966cfc8b174c8bdc0a6c9627275b6
File type: pe · Size: 534728 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 12 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 (14 HTTP) - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082 - 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
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

81293 behavior events · 2 ATT&CK techniques · 30 dropped files.

Dropped files

/opt/CAPEv2/storage/analyses/7631/files/3404928594589ad623893279c5e2f9ae0e2a04a4118d22dbbdd1e54916acb6ec - 3404928594589ad623893279c5e2f9ae0e2a04a4118d22dbbdd1e54916acb6ec
/opt/CAPEv2/storage/analyses/7631/files/27fa692d378f435909f887cbba0c086eb77e6fd1fff4aca79d8c91db28e8fcf7 - 27fa692d378f435909f887cbba0c086eb77e6fd1fff4aca79d8c91db28e8fcf7
/opt/CAPEv2/storage/analyses/7631/files/4bdc350b46e5b38197cd82176d6d13161c44cc2fc10db93621ef804978b3a847 - 4bdc350b46e5b38197cd82176d6d13161c44cc2fc10db93621ef804978b3a847
/opt/CAPEv2/storage/analyses/7631/files/3468e5f4ae0a8fd12a1ea2f7ca7557c08c1a4c21034f5a767c81f4b9cfe34b27 - 3468e5f4ae0a8fd12a1ea2f7ca7557c08c1a4c21034f5a767c81f4b9cfe34b27
/opt/CAPEv2/storage/analyses/7631/files/439b303b0cc8c54008aa66eb64a59767949653372c372cf998ac9f8a5048aa6b - 439b303b0cc8c54008aa66eb64a59767949653372c372cf998ac9f8a5048aa6b
/opt/CAPEv2/storage/analyses/7631/files/43dfd2515522d97d6ced20d6425034d2597e24ef05b09c4108489fefd864a82e - 43dfd2515522d97d6ced20d6425034d2597e24ef05b09c4108489fefd864a82e
/opt/CAPEv2/storage/analyses/7631/files/1e4e52f27798961a395d778b0e05120dfbf44ee9091bae2c47fcd6a7f8e7e57c - 1e4e52f27798961a395d778b0e05120dfbf44ee9091bae2c47fcd6a7f8e7e57c
/opt/CAPEv2/storage/analyses/7631/files/a356d19b74457e048cf7f997e5faaaa30a7e78fa5f84ddd0b2cbc3fde795e391 - a356d19b74457e048cf7f997e5faaaa30a7e78fa5f84ddd0b2cbc3fde795e391
/opt/CAPEv2/storage/analyses/7631/files/60eb251099f464f1f84b6334a89c0cd7f415388d2a91177fba3db2c6de367bd6 - 60eb251099f464f1f84b6334a89c0cd7f415388d2a91177fba3db2c6de367bd6
/opt/CAPEv2/storage/analyses/7631/files/e0497fd01b292cf4eac955c7eedbbaa88ee175a8916ec329eccafd1557d80603 - e0497fd01b292cf4eac955c7eedbbaa88ee175a8916ec329eccafd1557d80603
/opt/CAPEv2/storage/analyses/7631/files/6acbc316cfba27c993a8755cf3f5d0c7c0ee801750919ba1641793f7d12db0e5 - 6acbc316cfba27c993a8755cf3f5d0c7c0ee801750919ba1641793f7d12db0e5
/opt/CAPEv2/storage/analyses/7631/files/ff08f8abed2a9fc2bcb94f22ad086519ada5ef9a84bbbde714ab087ca963926f - ff08f8abed2a9fc2bcb94f22ad086519ada5ef9a84bbbde714ab087ca963926f
/opt/CAPEv2/storage/analyses/7631/files/7261393c4140842734ccf64d28464c2a890ac8cd5a12798b8fd55e08c7231ec9 - 7261393c4140842734ccf64d28464c2a890ac8cd5a12798b8fd55e08c7231ec9
/opt/CAPEv2/storage/analyses/7631/files/c703206c748b8b7c32f0f88dcf73975fa424758f117370326a3f80c2d7fa530b - c703206c748b8b7c32f0f88dcf73975fa424758f117370326a3f80c2d7fa530b
/opt/CAPEv2/storage/analyses/7631/files/05b19952dcac63bd7d333ff7817619810c3862c8c3cbda9403ff21a199982f51 - 05b19952dcac63bd7d333ff7817619810c3862c8c3cbda9403ff21a199982f51

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=1786284186&P2=404&P3=2&P4=GFsV6T8h%2fSG8SULRj%2b%2b%2bJ03WZM7NQ%2b%2fHQQt9fekhEalH%2fjk%2fi8Pv2uHE8EAIYushmQpeDiaTMUsq%2bFAVhAILsw%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=1786284343&P2=404&P3=2&P4=OSLDrzTcnl1yKg%2fZBxeMG7UNFlPnGj8S4dO5w9%2bUOwfR0KJW2NXWZCxeX0Wp5W3qNMd%2fRw5xyjQv3Jx5Vc0UPw%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

172.215.188.225
20.184.175.9
4.230.171.124
20.247.185.124
20.42.179.192
135.233.95.135
40.79.167.10
135.233.95.144
135.234.160.247
92.223.78.30
135.234.160.246
203.26.79.13
74.179.71.159
52.148.114.188
72.154.7.17
52.168.112.67
13.69.116.105
52.110.12.42
52.110.12.1

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