MALICIOUS — 73fb12e1de631b98681f04a37de7038d0149ea8081f0f036b656269772bcbfb0

MALICIOUS — 73fb12e1de631b98681f04a37de7038d0149ea8081f0f036b656269772bcbfb0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the C83B492E family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 73fb12e1de631b98681f04a37de7038d0149ea8081f0f036b656269772bcbfb0
SHA-1: 39cb6bb9066a3bc700a320924b57dd8fb26799f6
MD5: aa5acd0c4a6f91eab3564065e92772d3
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:Qoa1taC070dU8otpzfqNWqvq5IoM2Vwd:Qoa1taC0F8o3zi477PVc
TLSH: T14F5A224A5619770CF6F6C5803D28226ED441E8E793781A8A41CFF14EB3DB963B8121DB
Submitted as: 73fb12e1de631b98681f04a37de7038d0149ea8081f0f036b656269772bcbfb0
File type: pe · Size: 1958400 bytes
Verdict: malicious (99/100) · Family: C83B492E

Detections (4 of 56 engines)

ClamAV (daily): Win.Malware.Zusy-9764479-0
Microsoft Defender: Trojan:Win32/Salgorea!pz
Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
Kaspersky (KVRT): Trojan.Win32.Bingoml.ckfs

MITRE ATT&CK

T1543.003

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Salgorea!pz (rule Trojan:Win32/Salgorea!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Dump:Generic.Dacic.17983.C83B492E (rule Dump:Generic.Dacic.17983.C83B492E) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan.Win32.Bingoml.ckfs (rule Trojan.Win32.Bingoml.ckfs) - engine signal, weight 0.55, confidence 0.85
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 2 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 6064) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

152 behavior events · 1 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\19AD.tmp - 7f574d7a0078d08ad7fead09334ecbdf2c66ccd14ccc0d8d0b866a8a4ce0bc42
a010830890127596d2a7ea0360ec2a0f3c902a2e1f57d46b2902a681ff52d1fe - a010830890127596d2a7ea0360ec2a0f3c902a2e1f57d46b2902a681ff52d1fe

Embedded URLs

http://schemas.microsoft.com/SMI/2005/WindowsSettings
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded domains

schemas.microsoft.com

Embedded IP addresses

4.150.223.99
4.230.171.124
57.154.63.210
52.230.60.54
74.178.240.51
20.42.65.84
135.232.92.137
104.18.33.89
92.223.78.30
52.110.12.26
52.110.12.49
52.110.12.42
52.110.12.15

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report