MALICIOUS — 45743086d15a43a8453747ae1c3865a12a2cf0f461c4e81b2bde8f4ba49c722a
MALICIOUS — 45743086d15a43a8453747ae1c3865a12a2cf0f461c4e81b2bde8f4ba49c722a 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:
45743086d15a43a8453747ae1c3865a12a2cf0f461c4e81b2bde8f4ba49c722a - SHA-1:
d3e0aff3055075aedd6637cad4f0b665ebe1309a - MD5:
f3c1b8bd7ee2c96b90f2d3b56af6da4d - imphash:
b2adac104754b17b97f99c3247292cf4 - ssdeep:
49152:1sNBk9/fw2BwfmM0f7dkUWoS5r+feiZ9psbn3RIFZjY:1sNi9XwgwfoZ4oSN4eirpsr3RITj - TLSH:
T19C5BAE964627BB69F0AA57803C982E1DF13AFAF9E1BF4DCC0142902F2BB51D77048594 - Submitted as: 45743086d15a43a8453747ae1c3865a12a2cf0f461c4e81b2bde8f4ba49c722a
- File type: pe · Size: 2220032 bytes
- Verdict: malicious (99/100) · Family: Bulz
Detections (5 of 56 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Bulz-9889567-0
- 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.Trojan.Bulz-9889567-0 (rule
Win.Trojan.Bulz-9889567-0) - 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 5 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 - Embedded network infrastructure: http://www.eyuyan.com - 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
- ctldl.windowsupdate.com
- update.googleapis.com
- desktop-hsgcbep
- login.live.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- officeclient.microsoft.com
- windows.msn.com
- fe3cr.delivery.mp.microsoft.com
- settings-win.data.microsoft.com
- www.msn.com
- odc.officeapps.live.com
- v10.events.data.microsoft.com
- slscr.update.microsoft.com
- assets.msn.com
- licensing.mp.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://www.eyuyan.com
- 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
- www.eyuyan.com
Embedded IP addresses
- 20.89.1.8
- 52.123.252.225
- 135.232.92.97
- 172.215.188.225
- 4.230.171.124
- 135.232.92.137
- 20.184.175.1
- 4.144.132.114
- 52.123.252.194
- 74.178.240.61
- 172.64.154.167
- 52.110.12.24
- 52.110.12.16
File paths
- F:\Office\Target\x86\ship\postc2r\x-none\msqry32.pdb
- H:\:c:
- W:\:l:
- T:\:a:i:n:v:{:
- X:\:l:p:t:x:
More Bulz samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report