MALICIOUS — d561fae6c4625db5e8d7ad92ab4827886a03992d95837e340161bf16005e5374

MALICIOUS — d561fae6c4625db5e8d7ad92ab4827886a03992d95837e340161bf16005e5374 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Cerbu family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: d561fae6c4625db5e8d7ad92ab4827886a03992d95837e340161bf16005e5374
• SHA-1: 7d616704becd6a39e1596a747f357224ae3a5a03
• MD5: 482df4ce1db585e3b2964f292d482ef6
• imphash: 5ab4a5fa77f7cef108828b3d18928877
• ssdeep: 1536:dY3oRXGDBmCsUyE7r5ky252/JVI8AP56Rmh2oRO356D3XEBEfG6:dYsiky25IVIb56Qh2o0p6D3XEWfJ
• TLSH: T1173B19A8425BA332F1FAED756C219CDC9814B0AC5172616C9A07DA3FD0F5037D9B62E0
• Submitted as: d561fae6c4625db5e8d7ad92ab4827886a03992d95837e340161bf16005e5374
• File type: pe · Size: 110592 bytes
• Verdict: malicious (98/100) · Family: Cerbu

Detections (4 of 56 engines)

• ClamAV (daily): Win.Malware.Cerbu-9886333-0
• YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode

MITRE ATT&CK

• T1071.001

Why this verdict

The malicious score of 98/100 is the fusion of 7 weighted signals:

• ClamAV (daily) flagged Win.Malware.Cerbu-9886333-0 (rule Win.Malware.Cerbu-9886333-0) - engine signal, weight 0.90, confidence 0.95
• YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.70, confidence 0.70
• Contacted 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• LIEF (executable format parser) flagged lief:invalid-authenticode (rule lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 5784) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

0 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• licensing.mp.microsoft.com
• config.edge.skype.com
• officeclient.microsoft.com
• windows.msn.com
• www.msn.com
• odc.officeapps.live.com
• assets.msn.com
• www.bing.com
• th.bing.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• www.msftconnecttest.com/connecttest.txt

Embedded URLs

• http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
• http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
• http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
• http://office.microsoft.com
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com

Embedded IP addresses

• 52.168.117.175
• 20.247.184.197
• 52.123.252.195
• 4.230.171.124
• 172.64.154.167
• 52.110.12.55
• 172.66.2.5
• 52.110.12.8
• 162.159.142.9

File paths

• F:\Office\Target\x64\ship\postc2r\x-none\msohtmed.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report