MALICIOUS — 451aecde7836384a42920c1e3cd4bfe1bf49c4cba1d0fda65919e9f2c78f41de

MALICIOUS — 451aecde7836384a42920c1e3cd4bfe1bf49c4cba1d0fda65919e9f2c78f41de 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 5 ATT&CK techniques.

Identification

SHA-256: 451aecde7836384a42920c1e3cd4bfe1bf49c4cba1d0fda65919e9f2c78f41de
SHA-1: c560d0a95320a11c04307385c9a107530e20313e
MD5: cd36f385f6479522de36e6d0ce15b285
imphash: 1e4c0da5737da53aff5e6e0ab7de1efa
ssdeep: 384:TFuI/S8/cmZO2Zp+Nye8pqrmub8TyztsDN:T418/oKK8o8TyJc
TLSH: T13928EB84D7E13B24CA5BD84921114C5CBF9167B3E68229DD830A9362D345BF7CEE2782
Submitted as: 451aecde7836384a42920c1e3cd4bfe1bf49c4cba1d0fda65919e9f2c78f41de
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

Why this verdict

The malicious score of 100/100 is the fusion of 12 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
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
Contacted 6 HTTP request(s) at runtime - 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
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)

129196 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

Embedded IP addresses

4.150.223.107
52.123.252.223
4.230.171.124
20.42.179.192
4.144.132.223
20.165.94.54
20.165.94.63
20.42.73.28
135.234.160.245
72.145.35.99
52.148.114.188
52.110.12.10
52.110.12.2

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report