MALICIOUS — b5c97a45f4ae2bc6b58bcdce38bbe005115ab5a22206baf8574279254a96f697

MALICIOUS — b5c97a45f4ae2bc6b58bcdce38bbe005115ab5a22206baf8574279254a96f697 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Small family. 4 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: b5c97a45f4ae2bc6b58bcdce38bbe005115ab5a22206baf8574279254a96f697
• SHA-1: c4debe7078066e5135f680d7064eb5fdd122b2b6
• MD5: 6827bbcf8fc56b2fc24e72eea607dca0
• imphash: 1e4c0da5737da53aff5e6e0ab7de1efa
• ssdeep: 384:EF3QtMbmcmZO2Zp+Nye8pqrmub8TyztsDN:EhBbmoKK8o8TyJc
• TLSH: T1BD28FB84D7E13B24CA5BD84921114C5CBF9167B3E68229DD830A9362D345BF7CEE2782
• Submitted as: b5c97a45f4ae2bc6b58bcdce38bbe005115ab5a22206baf8574279254a96f697
• File type: pe · Size: 17920 bytes
• Verdict: malicious (100/100) · Family: Small

Detections (4 of 56 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

• T1057
• T1547.001
• T1112
• T1003.001

Why this verdict

The malicious score of 100/100 is the fusion of 10 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) across 2 rule(s): Credential Access: LSASS memory access [critical] (rule tl-cred-lsass) - dynamic signal, weight 0.83, confidence 0.90
• Microsoft Defender flagged TrojanSpy:Win32/Small.M (rule TrojanSpy:Win32/Small.M) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Variant.Oberal.8 (rule Gen:Variant.Oberal.8) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Trojan.Win32.Small.xxd (rule Trojan.Win32.Small.xxd) - engine signal, weight 0.55, 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
• Contacted 12 external host(s) and 12 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• 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
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

17883 behavior events · 2 ATT&CK techniques · 0 dropped files.

Runtime network

• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 115.223.150.4.in-addr.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 252.0.0.224.in-addr.arpa.
• 106.238.33.23.in-addr.arpa.
• ..localmachine
• DESKTOP-HSGCBEP
• www.msftconnecttest.com
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• desktop-hsgcbep._dosvc._tcp.local
• self.events.data.microsoft.com
• _dosvc._tcp.local
• desktop-hsgcbep(1)._dosvc._tcp.local
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 251.0.0.224.in-addr.arpa
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 1.0.240.10.in-addr.arpa

Embedded domains

• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ..localmachine

Embedded IP addresses

• 51.132.193.104
• 72.145.35.102
• 4.150.223.115
• 135.232.92.34
• 203.26.79.13
• 51.116.246.104
• 72.145.35.96
• 172.215.188.225
• 20.184.175.3
• 20.42.65.94
• 48.211.4.16
• 52.148.114.188
• 72.145.35.97
• 72.145.35.103
• 4.150.223.107
• 52.110.12.19
• 20.42.179.204
• 20.42.65.93
• 20.184.175.7
• 172.172.255.216
• 172.172.255.217
• 4.150.223.100
• 20.42.65.90

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report