MALICIOUS — de4591767282cc50936d6d59f2ea7bdddb1823432244b25ad39f3a77d80640d1
MALICIOUS — de4591767282cc50936d6d59f2ea7bdddb1823432244b25ad39f3a77d80640d1 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Bulz family. 5 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
de4591767282cc50936d6d59f2ea7bdddb1823432244b25ad39f3a77d80640d1 - SHA-1:
9339c244a73a27a29e4062fd4350e951924431e1 - MD5:
258a5a6a1d2f317d7f37455cf998397f - imphash:
6406b46493a955ab0c0699fde6671a55 - ssdeep:
12288:VJIP2QDHQy5fJ1GLk2mg3A+J3y+5+JL0dLo1d1W8ewWBw4:VJYdDHQy5Sk293nd5+t0pOdRuw4 - TLSH:
T1E8527CCD42547740D5738B797D20AE8E50E2F8D9627E2D8C0A43C03F26F2A7BA87505A - Submitted as: de4591767282cc50936d6d59f2ea7bdddb1823432244b25ad39f3a77d80640d1
- File type: pe · Size: 987716 bytes
- Verdict: malicious (99/100) · Family: Bulz
Detections (5 of 56 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Bulz-9878239-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- LIEF (executable format parser): lief:invalid-authenticode
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Malware.Bulz-9878239-0 (rule
Win.Malware.Bulz-9878239-0) - 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 - 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:collection/keylog (rule
capability:collection/keylog) - 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 5624) (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
- 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
- fe3cr.delivery.mp.microsoft.com
- th.bing.com
- v10.events.data.microsoft.com
- settings-win.data.microsoft.com
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://office.microsoft.com/0
- http://www.microsoft.com/pki/certs/CSPCA.crt0
- http://www.microsoft.com/pki/certs/tspca.crt0
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- http://www.digicert.com/ssl-cps-repository.htm0
- http://crl3.digicert.com/assured-cs-2011a.crl03
- http://crl4.digicert.com/assured-cs-2011a.crl0
- http://cacerts.digicert.com/DigiCertAssuredIDCodeSigningCA-1.crt0
- http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
- http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
- http://crl.thawte.com/ThawteTimestampingCA.crl0
- 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
- schemas.microsoft.com
- www.digicert.com
- cacerts.digicert.com
- crl3.digicert.com
- crl4.digicert.com
- ts-aia.ws.symantec.com
- ts-crl.ws.symantec.com
- crl.thawte.com
Embedded IP addresses
- 51.116.253.170
- 4.144.132.223
- 20.247.184.197
- 4.230.171.124
- 135.232.92.97
- 20.184.175.6
- 20.42.179.204
- 74.178.240.61
- 172.64.154.167
- 4.247.188.224
- 52.110.12.56
- 52.110.12.30
File paths
- F:\Office\Target\x86\ship\postc2r\x-none\cnfnot32.pdb
- T:\:p:
- T:\:l:t:
- P:\Target\x86\ship\delivery\x-none\ose.pdb
- T:\:d:l:t:
- f:\dd\Tools\devdiv\FinalPublicKey.snk
- c:\builds\moz2_slave\rel-m-rel-w32_bld-000000000000\build\obj-firefox\ipc\app\plugin-container.pdb
- D:\:`:
- d:\dbs\el\oc\target\x86\ship\postc2r\x-none\onenotem.pdb
More Bulz samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report