MALICIOUS — b98ec1b2e94c06f0a3ecc983c6f850ad7f0dcaac2ab450766e78571e0ae6270f
MALICIOUS — b98ec1b2e94c06f0a3ecc983c6f850ad7f0dcaac2ab450766e78571e0ae6270f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the HUILoader family. 7 of 55 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
b98ec1b2e94c06f0a3ecc983c6f850ad7f0dcaac2ab450766e78571e0ae6270f - SHA-1:
f64034f4ec894be3e32d09e6cd1c2866b060e426 - MD5:
bd57cfd6394f659559355f0b073480a4 - imphash:
5144a995e58e9a1dec8b8e0e5ed55aec - ssdeep:
24576:Dz4xJZ7TvTwahpfe6NVB+IQwMfqQzQq2oBrjjkOMrhrEGOivI:QhTvNpZNVBDQwazQq2YhkEGOiv - TLSH:
T154585C44490775E1D3FBDA22A4F8499CE017B2A850F46F586B07C5FB44A7D3BCAD202A - Submitted as: b98ec1b2e94c06f0a3ecc983c6f850ad7f0dcaac2ab450766e78571e0ae6270f
- File type: pe · Size: 1682432 bytes
- Verdict: malicious (99/100) · Family: HUILoader
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): Packed.Win32.Krap.g
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 11 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Generic-9907165-0 (rule
Win.Trojan.Generic-9907165-0) - engine signal, weight 0.90, confidence 0.95 - 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 (22 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)
67933 behavior events · 2 ATT&CK techniques · 24 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\jwebserver.exe -
e5ec7daa71eb25344c8f25ba0dc9c887362ab7fdee1710f7aaafa1bcce1b4b05 - C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.ico -
75649785f983015faf3719cbe3f6ab83672c3e2156374c35366c6144886693cf - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe -
0cc4b412e53650d3b9bf798e3f2574d116822b7238fd733dcdf5645a814be4f3 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe -
842cdf18bc0ebfd318f7210e34554927dbb8e1f801f522e6fd66932a2e4cd14b - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jfr.exe -
3b0d5537b294e6b23fc7bb4f5a9b857a8d018546bdd547f602aed162fbd35126 - C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.exe -
a4a733b90ba5c0dc7bebbb54d61b47a55c8c3602aaed4f80c83a7ede214605b3 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaw.exe.exe -
6db92bce2c34ff9c2e5438418a42396c0d416ec013b0e4369be0fe2bfed7a108 - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b -
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - C:\Users\analyst\AppData\Local\Temp\tsk_17005d1664c84336.exe.exe -
058e01043d1c7d475e479c887506e41dd0ca0a66dc4ca7473e99442bbb80597e - a545e2e5b510e59281410979af306e3503962051fb2b16ec2281dcdfba9e7898 -
a545e2e5b510e59281410979af306e3503962051fb2b16ec2281dcdfba9e7898 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\keytool.exe -
b61c62d5d98ce4fffa6616663b453739202a2ee5633b6824d2c309b497a048f5 - C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.ico -
b2ba915bc685bda81910fe540f5b4ef8510b588111b7ee2c86c019b381bf8994 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccesswalker.exe -
7196fbe2855ff75f14417f304b1db4294e03c826975a7bc1114821f5048816f4 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\java.exe -
254569ecff6dd7f4c361065f42d372cac834f01e0ba78bb743d166f42db9241d - C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.exe -
66b6720052c15ef79a46e09356381d85f01de56357b8422cc334561394ded985
Embedded URLs
- http://www.microsoft.com/pki/certs/CSPCA.crt0
- http://www.microsoft.com/pki/certs/tspca.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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787790384&P2=404&P3=2&P4=P69toJTUecuu8O4iASFhWbCcLCfIhIiv%2b00AL7i%2byHbbHWNTjqEfuzMiBIVO11a80nmEKEoG0JVbsj35glx19Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787790447&P2=404&P3=2&P4=jbTUQQvDnJ9OneBvSPkTquWRB2WsffrcU0%2baPYslD7HUvxPSE8Xv0Mm26i%2frE6NhaTLXggvSz8d8aakeWSoI2Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- crl.microsoft.com
- www.microsoft.com
- www.eyuyan.com
- microsoft.com
- wtqq.net
Embedded IP addresses
- 4.150.223.107
- 20.247.185.124
- 40.84.97.4
- 4.230.171.124
- 74.178.240.61
- 135.233.95.135
- 4.150.223.106
- 20.236.44.162
- 52.123.129.14
- 162.159.142.9
- 52.123.128.14
- 52.168.117.168
- 135.233.45.222
- 20.42.65.84
- 20.42.73.27
- 203.26.79.13
- 52.123.252.218
- 135.233.95.80
- 52.148.114.188
- 92.223.78.30
- 72.145.35.105
- 135.233.45.221
- 52.110.12.30
- 52.110.12.31
Registry keys
- HKLM\Software\Microsoft\Internet
More HUILoader samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report