MALICIOUS — 8b30b3da42b6d394df4779dfd90a87b2f949cdac798d9d49bbc7ba905ed7ce63
MALICIOUS — 8b30b3da42b6d394df4779dfd90a87b2f949cdac798d9d49bbc7ba905ed7ce63 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Prepender family. 7 of 55 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
8b30b3da42b6d394df4779dfd90a87b2f949cdac798d9d49bbc7ba905ed7ce63 - SHA-1:
a9488ee1d8e67e4be2505633c5376cfadcd0e2ea - MD5:
bbfceb72540eb62d8fd1364deb7dd045 - imphash:
5144a995e58e9a1dec8b8e0e5ed55aec - ssdeep:
24576:0TP4NcfBR8gyuupN7IcGK/HltTTP4NcfBR8gyuupN7IcGK/HltTTP4NcfBR8gyu:CP4ufBixr8iP4ufBixr8iP4ufBixr8 - TLSH:
T1D15B8CBD35529008C95AEF7D4C5B3CAC8298FB62486B8FB9514B0C2B76E7533D92005E - Submitted as: 8b30b3da42b6d394df4779dfd90a87b2f949cdac798d9d49bbc7ba905ed7ce63
- File type: pe · Size: 2363392 bytes
- Verdict: malicious (100/100) · Family: Prepender
Detections (7 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Generic-9907165-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Virus:Win32/Pidgeon.A
- Emsisoft (Emergency Kit): Win32.Prepender.Gen.1
- Trellix Stinger (McAfee): Flyagent.d
- Kaspersky (KVRT): Virus.Win32.Agent.ev
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 12 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: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 2 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 27 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- 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 - Dropped 18 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
69175 behavior events · 2 ATT&CK techniques · 25 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
- wtqq.net
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe -
68739c53769ce73dddd7f9709cd648895b8d36114d1eb47263b50fe7e24d497b - C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.exe -
d9781c47e621d93a128bdba69a64db28aad49e08223aaf7190abbc4ebd02cdcd - C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.ico -
75649785f983015faf3719cbe3f6ab83672c3e2156374c35366c6144886693cf - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaw.exe.exe -
1ce850608dc1f958e55eab30515113f197509ebfb5383386e75c7aa1b83960ab - C:\Users\analyst\AppData\Local\Temp\tsk_3f0e1c4d77714d9d.exe.exe -
13f65c409e9327277c18f2bf67d62f9503288bf32a266dc7a8011c50ae5f26b9 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccesswalker.exe -
5559baedbe3cb80fd4fe4259f3385682c6233cb9c52309ae9606049c2c6d77b4 - C:\Users\analyst\AppData\Local\Temp\tsk_3f0e1c4d77714d9d.exe.exe.exe -
22200201880370f4d194b2b53aac6e3a60bba963e2c47dea7a312ca54704f29f - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b -
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaw.exe -
172f623e9d30aea0ad559ecd1c9a423c01dceaa538a6a52c67eabd6da69a1100 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe.exe -
741118814f0cbaf51627149c6fb693da388d9d79e12df5d96d6f15856696cc26 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe -
897063c20f77763f34032dd2baae39a1a0efb74cbc2ff3e604bff2b8dcdc67de - C:\Users\analyst\AppData\Local\Temp\tsk_3f0e1c4d77714d9d.exe.exe.exe.exe -
13c5e3625114e147a2c1959b7c8432291170b514d845e89342f8140ade5d68fe - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jwebserver.exe -
98f4aef0d49af69ef554a4b233d708e7393d68f5f4c26625a81cdac4732c1076 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe -
fdb7bf07673240019801fdf37f9915b613fa9638e3374e50dff236be705555cb - C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.ico -
b2ba915bc685bda81910fe540f5b4ef8510b588111b7ee2c86c019b381bf8994
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
- 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=1787930801&P2=404&P3=2&P4=JQH2Mr5vBj6l5AgJkLwe80Qyxmkrh5cESGutgB8JFtJIUpnETbHPWRMLKND3cK9n4DRPcxddYqqBwd1vLEw5jg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787930904&P2=404&P3=2&P4=QSchouBw5CHMLKuXP%2bSFEsz1yWC0LrG9sm2qfQD%2bht3oukpXWeRzc3x9zEQQhoOc8Ofohe7fs6bTE67su3alwQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- www.eyuyan.com
- wtqq.net
Embedded IP addresses
- 4.150.223.105
- 20.247.185.124
- 20.42.179.192
- 4.230.171.124
- 40.84.85.40
- 74.178.76.128
- 20.50.73.15
- 74.178.76.54
- 52.123.129.14
- 40.99.133.226
- 20.236.44.162
- 52.123.128.14
- 4.150.223.96
- 51.132.193.104
- 135.233.45.221
- 52.110.12.38
- 203.26.79.13
- 52.110.12.24
- 52.148.114.188
- 85.210.193.152
- 52.123.252.243
- 135.232.92.34
- 52.123.252.195
- 72.145.35.96
- 92.223.78.30
More Prepender samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report