MALICIOUS — 4320501de1ad357c5b8f80e9e98385a6f7d42153c0ae9a75ed2310bae1e8763d
MALICIOUS — 4320501de1ad357c5b8f80e9e98385a6f7d42153c0ae9a75ed2310bae1e8763d 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:
4320501de1ad357c5b8f80e9e98385a6f7d42153c0ae9a75ed2310bae1e8763d - SHA-1:
d7614704ef1e82617c22650d97e8807d6ca70349 - MD5:
fb8ac8ea161806030c3cad5ed8d7becc - imphash:
5144a995e58e9a1dec8b8e0e5ed55aec - ssdeep:
12288:lp1X98j4IZ5oPyPU1SQYypi3w6Szo42MRgw5idhZxuj:/8EIj7ckQog6hMRdqhZxu - TLSH:
T1A150AE063A35A12AE27A9FC84C50AEEFD8505687F9FD450AD15340BC09FBBB339158C9 - Submitted as: 4320501de1ad357c5b8f80e9e98385a6f7d42153c0ae9a75ed2310bae1e8763d
- File type: pe · Size: 823296 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 24 external host(s) at runtime (19 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 16 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)
69531 behavior events · 2 ATT&CK techniques · 23 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
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jfr.exe -
4fdf08af0681da03639fbdd90c9231896d84b189b885f6dd6f0389a2c9b4ff3b - ce5344d89dc8f16e51caebfd443491a9b980144cc4bf04ccb38b4bed8ee15fd1 -
ce5344d89dc8f16e51caebfd443491a9b980144cc4bf04ccb38b4bed8ee15fd1 - 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 -
82319f51884fb3db02baa55bc6376da6191d0763cebf9e446a70876d51e98ef2 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jwebserver.exe -
ae329d05c3bb0760e94b8c4d99e216009cbaef2f6f1606eb744fa98a0534b2c8 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\keytool.exe -
f45484f204347f65e0e69f37571db4e7459ff641c014baeef0f4cd5d5a313540 - C:\Sysmon64.exe -
d19117c494d76649c4b90f226e42887695d22de6ae4892eda2f78d46a042216d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe.exe -
4238895329968be4d7ad2e3759062786d99897f447765e3d9d7fe210fc90ba49 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaw.exe -
3c9276090b869fa38a45b965f5dbe754ffc9b17653b393cdcdf8babc0e930e02 - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b -
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.ico -
b2ba915bc685bda81910fe540f5b4ef8510b588111b7ee2c86c019b381bf8994 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe -
a9d500fb466109b50eab316c519fbc98a50ecae80d7526b99b2d62e1315331b2 - C:\Users\analyst\AppData\Local\Temp\tsk_fc617154d9054d60.exe.exe -
9d9a20fc51d7954bd5addea47be087981d8f55e7f388d4462e75ead8645c9ebf - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe.ico -
463b6e99198762de39ea3c9156504527673355f452c17063d0fcc34caa3cfded - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe -
faed7d50872ffeef36c1e4a253cda94b4c79c5bf09161607e9aba12a466e9de6
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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787942761&P2=404&P3=2&P4=hssZ5YMjavL2%2bJErPsQtjk9qQeLyo%2f4DV5tAV9wqzdeWrdUqKnkTkhSO3F2%2fDycEOClZt2sXf%2bVJV4zqv3lNQg%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=1787942848&P2=404&P3=2&P4=LRJhqPoTeDiVBk7TKkdFDZq2oot5aDus6Gg3E7dF2RC9SNTSjNPAHwBuqzjl57DoqbgLUT9NbJwr4o7JYoxhsw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- www.eyuyan.com
- wtqq.net
Embedded IP addresses
- 52.123.252.216
- 4.150.223.107
- 20.247.184.197
- 172.215.188.225
- 4.230.171.124
- 74.179.77.204
- 20.184.175.4
- 74.178.240.51
- 20.231.239.246
- 52.123.128.14
- 40.103.64.242
- 52.123.129.14
- 4.150.223.114
- 135.233.45.221
- 203.26.79.13
- 172.66.2.5
- 74.179.71.159
- 52.123.252.245
- 52.148.114.188
- 52.110.12.28
- 52.110.12.21
- 72.154.7.113
- 52.110.12.53
- 52.110.12.16
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report