MALICIOUS — b86f81fc9ecba955107b14e2077db1a96043bf4625fa566336b5ef928efbd538

MALICIOUS — b86f81fc9ecba955107b14e2077db1a96043bf4625fa566336b5ef928efbd538 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: b86f81fc9ecba955107b14e2077db1a96043bf4625fa566336b5ef928efbd538
SHA-1: 0ff2bd0b46938bbab3a16e2c56c2827f5df0f682
MD5: e5cd1eb0460f7de7d679ad47eb6af2d0
imphash: 1e4c0da5737da53aff5e6e0ab7de1efa
ssdeep: 384:/F9qt52GcmZO2Zp+Nye8pqrmub8TyztsDN:/f+2GoKK8o8TyJc
TLSH: T15528FB84D7E13B24CA4BD84921114C5CBF9167B3E69229DD830A9362D345BF7CEE2782
Submitted as: b86f81fc9ecba955107b14e2077db1a96043bf4625fa566336b5ef928efbd538
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 15 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)

124929 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://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/

Embedded domains

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

Embedded IP addresses

4.150.223.114
52.123.252.232
4.144.132.114
4.230.171.124
162.159.142.9
51.104.15.252
13.69.109.131
184.84.165.171
172.178.240.162
20.42.179.192
52.148.114.188
72.153.5.62
52.110.12.46
52.110.12.51

More Small samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report