MALICIOUS — SophosED.dll

MALICIOUS — SophosED.dll is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Maldoc family. 5 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: cdbad2aa1a8974168601f711cd7244b75916fefc131ee589010efce2a148603e
• SHA-1: f8fdb206c449d3d1c8fbe48e9259fedf48c74fcf
• MD5: 92648f212d568581f9aeb46a4257e7a3
• imphash: e1aa2b1b1f889c6dc94772fbc833975b
• ssdeep: 49152:NYTqSj3FavbeLE7CRmzddXGGpOMGHLmgVCeiau5WW6yaCNUi9eA5XcI:xvqhU0mUfRI
• TLSH: T1855F8C9103231231F1F6E940AC7569DCE4D3F42DA1B40D8D9387D9AEA1EAE33A6F4215
• Submitted as: SophosED.dll
• File type: pe · Size: 3200000 bytes
• Verdict: malicious (97/100) · Family: Maldoc

Detections (5 of 55 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Stratosphere IPS: STRATO_Tor_Onion_C2
• YARA: Yara-Rules community: YR_AntiDebug_Checks

MITRE ATT&CK

• T1071.001
• T1497
• T1486
• T1055

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 97/100 is the fusion of 9 weighted signals:

• Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
• YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.70, confidence 0.70
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
• YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule STRATO_Tor_Onion_C2) - engine signal, weight 0.50, confidence 0.70
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70
• query domain / anti-analysis (rule query domain / anti-analysis) - capa signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• encrypt data (rule encrypt data) - capa signal, weight 0.15, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://schemas.microsoft.com/SMI/2016/WindowsSettings
• http://oneocsp.microsoft.com/ocsp0
• http://www.microsoft.com/pkiops/crl/Microsoft%20Public%20RSA%20Timestamping%20CA%202020.crl0y
• http://www.microsoft.com/pkiops/certs/Microsoft%20Public%20RSA%20Timestamping%20CA%202020.crt0
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• https://www.microsoft.com/en-us/windows

Embedded domains

• schemas.microsoft.com
• www.microsoft.com
• oneocsp.microsoft.com
• crl.microsoft.com

File paths

• R:\2
• C:\RECYCLED
• C:\$Recycle.Bin
• C:\RECYCLER

More Maldoc samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report