MALICIOUS — c4adf8b89eb3d51a41726084ae470f6d55574f2c86966135997947cce88e7d1c

MALICIOUS — c4adf8b89eb3d51a41726084ae470f6d55574f2c86966135997947cce88e7d1c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the HUILoader family. 5 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: c4adf8b89eb3d51a41726084ae470f6d55574f2c86966135997947cce88e7d1c
SHA-1: 0bec20fd17e3304ceb13cc29c586db6b958cc18a
MD5: a08dc12149ea9fd2240410e53ee86611
imphash: b57870dcf1f3e91ff7814fe4ffd1b747
ssdeep: 49152:LakOElMaFLk0fI1VMS2KXZtYAWFUbqgOpLW:Lak7Q9XZaDFUZU
TLSH: T12D598C895726F791F1F0EF901C425C8CAA6077B851BE48CE12D746AE2BF61A722050DF
Submitted as: c4adf8b89eb3d51a41726084ae470f6d55574f2c86966135997947cce88e7d1c
File type: pe · Size: 1953792 bytes
Verdict: malicious (99/100) · Family: HUILoader

Detections (5 of 55 engines)

capa (capabilities): capability:collection/keylog
ClamAV (daily): Win.Trojan.Generic-9907165-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
LIEF (executable format parser): lief:invalid-authenticode
Microsoft Defender: flagged

MITRE ATT&CK

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

ClamAV (daily) flagged Win.Trojan.Generic-9907165-0 (rule Win.Trojan.Generic-9907165-0) - engine signal, weight 0.90, confidence 0.95
Memory forensics: 3 finding(s), e.g. process hidden from a listing (rule windows.psxview.PsXView) - memory signal, weight 0.55, confidence 0.85
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 18 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - 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
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.

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
http://203.26.79.13/filestreamingservice//files/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787908587&P2=404&P3=2&P4=Oowo1qmZTrmi4wUqaRu2tH2ubFWyln8QQuPPO7NqH5gu8vYtJMhJR7WO5h660ocQ5uKZBaelTYxIFyig9Q1M9Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

crl.microsoft.com
www.microsoft.com
office.microsoft.com
www.eyuyan.com

Embedded IP addresses

40.79.163.154
40.84.97.4
4.230.171.124
20.247.184.197
135.233.95.144
20.42.65.84
74.178.240.51
20.231.239.246
52.123.128.14
52.123.129.14
4.150.223.108
172.178.240.161
203.26.79.13
135.233.95.80
52.148.114.188
72.153.5.141
52.110.12.55
52.110.12.26

File paths

F:\Office\Target\x86\ship\postc2r\x-none\orgchart.pdb
L:\:o:z:
V:\:r:x:
N:\:i:f;~;
V:\:b:h:n:t:z:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report