MALICIOUS — JreUpdate.exe
MALICIOUS — JreUpdate.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the HUILoader family. 4 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.
Identification
- SHA-256:
04d79276ff8709dd2d2a59fb2e6f6601c43801661d0049eda381d534731c314b - SHA-1:
af09426de921fcacb0ca4a56fa7801a77b5984c8 - MD5:
2d902e7ca1806f3ae7b5fe375118b5c7 - imphash:
8214fbfab2d94960fbe39ce7bdc9da1c - ssdeep:
24576:aAHnh+eWsN3skA4RV1Hom2KXMmHaowh5:th+ZkldoPK8Yao+ - TLSH:
T12A529EC943196E06D4A5FF0068284B5E18F5A0FE72B9D9E807C2501A6EFFC57B872463 - Submitted as: JreUpdate.exe
- File type: pe · Size: 914432 bytes
- Verdict: malicious (96/100) · Family: HUILoader
Detections (4 of 55 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- capa (capabilities): capability:collection/keylog
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_AntiDebug_Checks
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 96/100 is the fusion of 9 weighted signals:
- Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - Memory forensics: 6 finding(s), e.g. RWX/private injected region in powershell.exe (pid 2520) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 20 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 - YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa 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)
465 behavior events · 1 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.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=1787586708&P2=404&P3=2&P4=KvsyvXWgS73IE07GiNVyhvXHM%2f8sXzP0HWLUG%2bPmDRNEG%2bnpH6lQKnOTK%2b6VhOspMKGoVShGqVQgH0GlwRjxQA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 57.155.104.224
- 20.42.73.31
- 52.123.252.216
- 20.247.184.197
- 4.230.171.124
- 48.211.4.16
- 74.178.240.61
- 74.179.77.164
- 20.42.73.27
- 51.132.193.105
- 52.123.129.14
- 20.76.201.171
- 52.123.128.14
- 203.26.79.13
- 135.233.45.221
- 74.179.71.159
- 52.110.12.11
- 52.110.12.30
- 52.148.114.188
- 72.145.35.100
File paths
- V:\:`:f:p:z:
- T:\:d:l:t:
- X:\:`:d:h:l:p:
- X:\:`:d:h:l:p:t:x:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report