MALICIOUS — fc4484979c800dbec38804d99f33db912ddd8c8d1f8e8f6a7c75bf1de7fa345f

MALICIOUS — fc4484979c800dbec38804d99f33db912ddd8c8d1f8e8f6a7c75bf1de7fa345f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Filerepmalware family. 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: fc4484979c800dbec38804d99f33db912ddd8c8d1f8e8f6a7c75bf1de7fa345f
• SHA-1: f47443662cfb187f0489b4e76587acc0086c9b69
• MD5: b8f726f25b67832305b5a664622a81ba
• imphash: 2c43cda2243b5af72e180e8d1f09446d
• ssdeep: 49152:9HGWA9GMA0vbiWSytLdtf+n1d3So72nMbzbqnstLet3Lyo:2AOustJtWnh7DbqnstLE7
• TLSH: T1395E5BCC5205B611FAB2CEA01D477D9D5072F0B817FF696C0982817A62E2C7FF866099
• Submitted as: fc4484979c800dbec38804d99f33db912ddd8c8d1f8e8f6a7c75bf1de7fa345f
• File type: pe · Size: 3045287 bytes
• Verdict: malicious (99/100) · Family: Filerepmalware

Detections (5 of 56 engines)

• capa (capabilities): capability:execution/powershell
• ClamAV (daily): Win.Malware.Filerepmalware-9859683-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode

MITRE ATT&CK

• T1059.001
• T1547.001
• T1071.001
• T1056.001

Why this verdict

The malicious score of 99/100 is the fusion of 11 weighted signals:

• ClamAV (daily) flagged Win.Malware.Filerepmalware-9859683-0 (rule Win.Malware.Filerepmalware-9859683-0) - engine signal, weight 0.90, confidence 0.95
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
• execute via PowerShell (rule execute via PowerShell) - capa signal, weight 0.40, confidence 0.80
• capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
• 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
• capa (capabilities) flagged capability:execution/powershell (rule capability:execution/powershell) - engine signal, weight 0.35, confidence 0.70
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
• Embedded network infrastructure: http://www.mozilla.com/0 - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60

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
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• licensing.mp.microsoft.com
• config.edge.skype.com
• windows.msn.com
• www.msn.com
• officeclient.microsoft.com
• odc.officeapps.live.com
• assets.msn.com
• www.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://schemas.microsoft.com/SMI/2005/WindowsSettings
• http://crl.thawte.com/ThawteTimestampingCA.crl0
• http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
• http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
• http://www.microsoft.com/pki/certs/tspca.crt0
• http://crl.microsoft.com/pki/crl/products/CodeSignPCA2.crl0O
• http://office.microsoft.com
• http://crl3.digicert.com/assured-cs-2011a.crl03
• http://crl4.digicert.com/assured-cs-2011a.crl0
• http://www.digicert.com/ssl-cps-repository.htm0
• http://cacerts.digicert.com/DigiCertAssuredIDCodeSigningCA-1.crt0
• http://www.mozilla.com/0
• https://www.verisign.com/rpa
• http://csc3-2010-crl.verisign.com/CSC3-2010.crl0D
• https://www.verisign.com/rpa0
• http://csc3-2010-aia.verisign.com/CSC3-2010.cer0
• https://www.verisign.com/cps0*
• http://logo.verisign.com/vslogo.gif04
• http://crl.verisign.com/pca3-g5.crl04
• 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://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
• http://schemas.microsoft.com/2003/10/Serialization/Arrays

Embedded domains

• schemas.microsoft.com
• crl.thawte.com
• ts-aia.ws.symantec.com
• ts-crl.ws.symantec.com
• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com
• crl3.digicert.com
• crl4.digicert.com
• www.digicert.com
• cacerts.digicert.com
• www.mozilla.com
• crash-reports.mozilla.com
• www.verisign.com
• csc3-2010-crl.verisign.com
• csc3-2010-aia.verisign.com
• logo.verisign.com
• crl.verisign.com
• schemas.datacontract.org

Embedded IP addresses

• 52.168.117.168
• 20.247.185.124
• 4.230.171.124
• 52.110.12.33
• 52.110.12.47
• 162.159.142.9

Registry keys

• HKCU\Software
• HKCU\Software\Policies
• HKLM\Software
• HKLM\Software\Policies

File paths

• C:\re\jdk7u45\229\build\windows-amd64\tmp\sun\launcher\ktab\obj64\ktab.pdb
• c:\builds\moz2_slave\rel-m-rel-w32_bld-000000000000\build\obj-firefox\toolkit\crashreporter\client\crashreporter.pdb
• c:\builds\moz2_slave\rel-m-rel-w32_bld-000000000000\build\obj-firefox\browser\app\firefox.pdb
• X:\:`:d:h:l:p:t:x:
• C:\re\jdk7u45\229\build\windows-amd64\tmp\sun\launcher\klist\obj64\klist.pdb
• E:\delivery\Dev\wix36_dev11\build\ship\x86\x86\burn.pdb
• e:\delivery\dev\wix36_dev11\src\burn\engine\engine.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\pipe.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\section.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\catalog.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\package.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\payload.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\registration.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\search.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\variable.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\userexperience.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\core.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\elevation.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\uithread.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\logging.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\engineforapplication.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\plan.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\splashscreen.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\condition.cpp
• e:\delivery\dev\wix36_dev11\src\burn\engine\cache.cpp

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report