MALICIOUS — f533b12df2a06f952bc1eaa37961ab831ab5de6547714c704094d794306c3a3b

MALICIOUS — f533b12df2a06f952bc1eaa37961ab831ab5de6547714c704094d794306c3a3b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: f533b12df2a06f952bc1eaa37961ab831ab5de6547714c704094d794306c3a3b
SHA-1: 4e4b88022463e51f4b423bd6f057ae40b5a7b106
MD5: cfb0a69139331263b7beed3c458dbcae
imphash: 366d6109d160103d267b13fb3bdb95d3
ssdeep: 1536:+VEphwRyNuBxeDtMYHa27J14ltxporZ45igA:SEphwRokeV6gJ1uCt45VA
TLSH: T1A13D3B887EADD4F1E167D603CAC579FC224ED10A792297B825E69B0B01D22F7703162D
Submitted as: f533b12df2a06f952bc1eaa37961ab831ab5de6547714c704094d794306c3a3b
File type: pe · Size: 126976 bytes
Verdict: malicious (100/100)

Detections (5 of 56 engines)

ClamAV (daily): Win.Trojan.VB-1668
Microsoft Defender: Worm:Win32/Vobfus!pz
Emsisoft (Emergency Kit): Gen:Variant.Symmi.60028
Trellix Stinger (McAfee): Trojan-FAEH!CFB0A6913933
Kaspersky (KVRT): Trojan.Win32.Vobfus.rku

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 12 weighted signals:

ClamAV (daily) flagged Win.Trojan.VB-1668 (rule Win.Trojan.VB-1668) - engine signal, weight 0.90, confidence 0.95
1 behavioral detection(s) across 1 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.60, confidence 0.90
Microsoft Defender flagged Worm:Win32/Vobfus!pz (rule Worm:Win32/Vobfus!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Variant.Symmi.60028 (rule Gen:Variant.Symmi.60028) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Trojan-FAEH!CFB0A6913933 (rule Trojan-FAEH!CFB0A6913933) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan.Win32.Vobfus.rku (rule Trojan.Win32.Vobfus.rku) - 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 1 external host(s) and 6 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
Dropped 1 executable file(s) at runtime - dynamic 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)

43183 behavior events · 3 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\ldril.exe - d5db7a4fede61e3ab7a8501fdb044a00fe5be62f024f0f1106a64b4a1137e774
4e3369cfb03067e374a148d17ad5a316826b2c1f98e9dd28dd1da40587e9944e - 4e3369cfb03067e374a148d17ad5a316826b2c1f98e9dd28dd1da40587e9944e
b98798487517c1cb1872da5da438e2156372dbd61a9a3ae4befc38e375d29634 - b98798487517c1cb1872da5da438e2156372dbd61a9a3ae4befc38e375d29634

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded domains

r.net
s1.pl
ns1.spansearcher.net
ns1.spinsearcher.org
ns1.player1352.net

Embedded IP addresses

20.184.175.12
52.123.252.222
4.230.171.124
57.154.63.210
4.144.132.223
135.232.92.97
20.42.65.84
74.178.76.128
20.165.94.63
92.223.78.30
20.42.179.192
52.110.12.51
52.110.12.56
135.233.45.221
72.153.5.140
52.148.114.188
52.110.12.52

File paths

C:\Program

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report