MALICIOUS — f3d192546279c14237992c5ecc05dc5926267801c87205dc474d0e348fd62507

MALICIOUS — f3d192546279c14237992c5ecc05dc5926267801c87205dc474d0e348fd62507 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Small family. 4 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

SHA-256: f3d192546279c14237992c5ecc05dc5926267801c87205dc474d0e348fd62507
SHA-1: 2ee71eca0ac30d89c26bf30831eb9f23d9bddb96
MD5: eaf4723ef3e7a42621615ba7ae1b69db
imphash: 1e4c0da5737da53aff5e6e0ab7de1efa
ssdeep: 384:OFOP8Tx0cmZO2Zp+Nye8pqrmub8TyztsDN:O86x0oKK8o8TyJc
TLSH: T1B228FC84D7E13B24CA5BD84921114C5CBF9167B3E68229DD830A9362D345BF7CEE2782
Submitted as: f3d192546279c14237992c5ecc05dc5926267801c87205dc474d0e348fd62507
File type: pe · Size: 17920 bytes
Verdict: malicious (100/100) · Family: Small

Detections (4 of 55 engines)

ClamAV (daily): Win.Malware.Fugrafa-9806497-0
Microsoft Defender: TrojanSpy:Win32/Small.M
Emsisoft (Emergency Kit): Gen:Variant.Oberal.8
Kaspersky (KVRT): Trojan.Win32.Small.xxd

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 9 weighted signals:

ClamAV (daily) flagged Win.Malware.Fugrafa-9806497-0 (rule Win.Malware.Fugrafa-9806497-0) - engine signal, weight 0.90, confidence 0.95
2 behavioral detection(s): Credential Access: LSASS memory access [critical] (rule tl-cred-lsass) - dynamic signal, weight 0.80, confidence 0.90
Memory forensics: 2 finding(s), e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85
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 25 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497, T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
enumerate processes (rule enumerate processes) - capa 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)

62215 behavior events · 3 ATT&CK techniques · 0 dropped files.

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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787937679&P2=404&P3=2&P4=e8xMhgLjSdX8EAqelIf%2bR%2bK74hXscbaXp2ZSu8QKLF8Tea3aA6NUKOOSwdY0VahS4jfK7d44W1qaTY2PkiwOrw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787937732&P2=404&P3=2&P4=i7Li8iH3uXsYJLa2UIliFKpw1AyABhac4sICULDb1umsShqN%2b0sKOc7rpWCqV1hLony7OL%2fXONL3sUvdtLd80w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded IP addresses

20.184.175.0
57.155.101.212
4.230.171.124
20.247.185.124
20.165.94.63
20.165.94.54
20.42.65.89
20.236.44.162
52.123.128.14
20.42.65.88
52.123.252.236
52.123.252.197
203.26.79.13
172.178.240.161
20.165.94.46
52.148.114.188
20.42.179.204
135.233.45.221
172.66.2.5
72.154.7.104
135.234.160.244
20.184.175.10
52.168.117.174
52.110.12.22
52.110.12.18

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report