MALICIOUS — a2fff96ca4ad27cb90865b855cbbd88124d86d808048819382e7b54bb7cbce0d
MALICIOUS — a2fff96ca4ad27cb90865b855cbbd88124d86d808048819382e7b54bb7cbce0d is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100), attributed to the Prepender family. 4 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
a2fff96ca4ad27cb90865b855cbbd88124d86d808048819382e7b54bb7cbce0d - SHA-1:
f635d42bcffc2c86cec6674d0ecd95dbd6d9cd6f - MD5:
25e4a797de0cee6af9e4dc68b2078071 - imphash:
5144a995e58e9a1dec8b8e0e5ed55aec - ssdeep:
12288:tAsdv3tNCT6o8ZZOgfG0MQuLFWw+5UaqrvrgZUo8o4w5igG1:tAsdv3tNCT6legJkLgw/asE3 - TLSH:
T1444F9DC169E2B457E8AAFB346B0A2FDC850F676A84A585D5564EC1E80C73833143CF63 - Submitted as: a2fff96ca4ad27cb90865b855cbbd88124d86d808048819382e7b54bb7cbce0d
- File type: pe · Size: 708084 bytes
- Verdict: malicious (95/100) · Family: Prepender
Detections (4 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Generic-9907165-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Emsisoft (Emergency Kit): Win32.Prepender.Gen.2
MITRE ATT&CK
Why this verdict
The malicious score of 95/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Generic-9907165-0 (rule
Win.Trojan.Generic-9907165-0) - engine signal, weight 0.90, confidence 0.95 - capture keystrokes (rule
capture keystrokes) - capa 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 - 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
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Embedded URLs
- 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
- www.eyuyan.com
Embedded IP addresses
- 85.210.196.11
- 40.79.150.123
- 52.123.252.232
- 20.247.184.142
- 4.230.171.124
- 40.84.85.40
- 135.233.95.144
- 20.165.94.54
- 20.42.73.28
- 74.179.77.204
- 74.178.76.128
- 52.123.129.14
- 20.236.44.162
- 52.123.128.14
- 40.103.64.226
- 172.178.240.162
- 52.148.114.188
- 52.110.12.28
More Prepender samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report