MALICIOUS — d37579e0d317346cd6336f78dc6b1084850a6a3f0b9cd32eebe269f384fd3d2a

MALICIOUS — d37579e0d317346cd6336f78dc6b1084850a6a3f0b9cd32eebe269f384fd3d2a 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 2 ATT&CK techniques.

Identification

• SHA-256: d37579e0d317346cd6336f78dc6b1084850a6a3f0b9cd32eebe269f384fd3d2a
• SHA-1: 4c4f1df5c4904f795b83e5e72926bb6f1fc73065
• MD5: fc23d3fd077778f9ff7eb4a1ff6f2ae2
• imphash: 95122753ea27818b35f9b51859e4c692
• ssdeep: 49152:Qoa1taC070dvRWFiR7PIfnCZFEskz92qp4g2oO:Qoa1taC0AR2iJCn6k3Ggs
• TLSH: T16C5A238A620A670DF2F6C5846829156FC482D4F3A378168E418FF05EB3DBD5F782119B
• Submitted as: d37579e0d317346cd6336f78dc6b1084850a6a3f0b9cd32eebe269f384fd3d2a
• 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
• T1112

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
• Contacted 41 external host(s) and 11 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• 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)

23225 behavior events · 2 ATT&CK techniques · 2 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• 1.0.240.10.in-addr.arpa.
• 76.0.240.10.in-addr.arpa.
• d.1.d.1.c.4.2.1.4.9.5.2.6.e.8.b.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa.
• 251.0.0.224.in-addr.arpa.
• 121.52.40.23.in-addr.arpa.
• 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.
• 252.0.0.224.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.
• tas02.sls.update.microsoft.com
• v10.events.data.microsoft.com
• 144.95.233.135.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.

Dropped files

• C:\Users\analyst\AppData\Local\Temp\4F15.tmp - c6a3320a29edc9cbe603f258c0010b999191ca08d00ea43907abd2ea38495481
• 1acf215547b0dec92e24185b98952681176e955e1408b79e0eb65340a243a776 - 1acf215547b0dec92e24185b98952681176e955e1408b79e0eb65340a243a776

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
• 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

• a2.uk
• schemas.microsoft.com
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ..localmachine

Embedded IP addresses

• 52.123.252.220
• 4.150.223.101
• 52.123.252.204
• 20.42.65.89
• 52.168.117.171
• 52.123.252.244
• 20.52.64.200
• 52.178.17.234
• 52.182.143.212
• 74.179.71.159
• 74.179.77.204
• 135.233.95.144
• 52.123.252.236
• 172.172.255.216
• 135.232.92.137
• 72.145.35.101
• 52.148.114.188
• 172.215.188.225
• 4.150.223.98
• 72.145.35.96
• 52.123.252.213
• 20.50.73.5
• 20.42.179.204
• 104.208.16.94
• 52.123.252.241

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report