MALICIOUS — a56b7d313ce187e68365ee76b37124236e28543370f8c3a4302887acfc84207f

MALICIOUS — a56b7d313ce187e68365ee76b37124236e28543370f8c3a4302887acfc84207f 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: a56b7d313ce187e68365ee76b37124236e28543370f8c3a4302887acfc84207f
• SHA-1: 7ff2b513353ebf87074b87b78fb8fa6e22ea10ae
• MD5: 03096678a8f30b820ccf399f9e51890d
• imphash: 95122753ea27818b35f9b51859e4c692
• ssdeep: 49152:Qoa1taC070dAGxrlfnGMZeHGRjbg9aNcHX5fcCt9E2:Qoa1taC0MxhfnGTG589aNc35E4
• TLSH: T1905A234927596B0CE2F6C4843D5D226DC441BCEA937C158A82CFF15EB3CA927B8221D7
• Submitted as: a56b7d313ce187e68365ee76b37124236e28543370f8c3a4302887acfc84207f
• 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 28 external host(s) and 15 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: 4 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hidden from a listing (rule windows.psxview.PsXView) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

17650 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
• settings-win.data.microsoft.com
• tas02.sls.update.microsoft.com
• 76.0.240.10.in-addr.arpa.
• 251.0.0.224.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.
• 1.0.240.10.in-addr.arpa.
• v10.events.data.microsoft.com
• 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.
• 144.95.233.135.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.
• 252.0.0.224.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\6E84.tmp - f9ee4a3dc544e8e764cb16a47adea691cf0245fcf96fb4715c9dc085343e6c1b
• f87f8cc3861171faccaa96cedaaa65ddda5378a920ea5f6c11c0cbf7242a8784 - f87f8cc3861171faccaa96cedaaa65ddda5378a920ea5f6c11c0cbf7242a8784

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/
• http://c.pki.goog/r/gsr1.crl
• http://c.pki.goog/r/r4.crl

Embedded domains

• schemas.microsoft.com
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• w347302.s98.ufhosted.com

Embedded IP addresses

• 135.233.95.144
• 48.211.4.16
• 20.184.175.17
• 20.42.65.91
• 20.184.175.12
• 172.215.188.232
• 20.184.175.19
• 92.223.78.30
• 52.148.114.188
• 203.26.79.13
• 20.42.65.93
• 52.123.128.14
• 85.210.196.11
• 20.42.73.24
• 72.145.35.97
• 72.145.35.108
• 40.74.98.196
• 52.168.117.171
• 52.123.252.245
• 20.184.175.2
• 52.110.12.8
• 172.215.188.225
• 4.150.223.98
• 20.42.65.94
• 57.155.104.224

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report