MALICIOUS — de8d53ac4be0b63b6f53fce1e483f0936fedc14db208966e16de96c85e1fd47e
MALICIOUS — de8d53ac4be0b63b6f53fce1e483f0936fedc14db208966e16de96c85e1fd47e is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Delfinject family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
de8d53ac4be0b63b6f53fce1e483f0936fedc14db208966e16de96c85e1fd47e - SHA-1:
231a82604bf219d55e06c958aa1519a83f60d672 - MD5:
2b0bde208afc2696bd80926c84b9a255 - imphash:
3513b15d2020b37cf2b66a761c75ed57 - ssdeep:
12288:WxBZN9xp6/Yo9sSbJ+RLbKvOS9cr9BE6ZyxDcC6CoueUS:WF/C/N+1KWS49xyI - TLSH:
T1EA516C6E3D96770FCF7182260D05BA3F8412A862F076A5CCA2F6807D57E5C6B1E006D6 - Submitted as: de8d53ac4be0b63b6f53fce1e483f0936fedc14db208966e16de96c85e1fd47e
- File type: pe · Size: 887298 bytes
- Verdict: malicious (94/100) · Family: Delfinject
Detections (6 of 55 engines)
- capa (capabilities): capability:collection/keylog
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Trojan:Win32/Delfinject.AD!MTB
- Emsisoft (Emergency Kit): Trojan.Agent.FPHR
- Trellix Stinger (McAfee): Trojan-FNTX!2B0BDE208AFC
- Kaspersky (KVRT): Exploit.Win32.UAC.hvt
MITRE ATT&CK
Why this verdict
The malicious score of 94/100 is the fusion of 7 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in tsk_1ae73dfc6e (pid 6132) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 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 (31 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 - Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
10999 behavior events · 2 ATT&CK techniques · 4 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
- c.pki.goog
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- settings-win.data.microsoft.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF -
27d2d899325baace735d37fe53111ecd20885fe267a857a828e7bbfbf55b93e7 - C:\Users\analyst\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF -
71efd75a9b29c339e66cc9aab2302b02277997d5eb77d52038a6f648ba0e0af7 - 13662ebf2f20d0f798ab4ee4e97ef5ca0db4630f2860e80c33e35873d8720fd9 -
13662ebf2f20d0f798ab4ee4e97ef5ca0db4630f2860e80c33e35873d8720fd9 - 5d70ccfc496e6692c8e6bc35db155d75ae2171e9368800e2933158ebb785eb66 -
5d70ccfc496e6692c8e6bc35db155d75ae2171e9368800e2933158ebb785eb66
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/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=1787918800&P2=404&P3=2&P4=Hsai6LpyTwO7WzYb5wWgp8uzi6S7P7nEv%2fB45LWSatCd%2bw%2bF4%2fbmT%2bT9GLDD8nAkzFOaHH3nTsKj3YJPRz9OFw%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=1787918835&P2=404&P3=2&P4=Jb%2bN0H6P%2ffZhXC2jTH8pAhZ6PNuOD0neraWWmICfGurFipKwsX9C6YD40pUVMR8K%2fUzHDBOBH7aPPY2%2fLSDTUw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787315070&P2=404&P3=2&P4=f3GlnSzhNMoeZq%2fVfOOH6NL9ULpGiVIEEAspvFI5fnChmpLnKElQ2KkeS7ktkhyqjT%2fPQaFL7%2fxA6uyLZD5XHA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787315534&P2=404&P3=2&P4=Ut1qk%2f3DD3J0qs1XJyj5A1V8rIqaQJcPO1aPhV%2bwnE%2fokw2%2bvPgR%2f9%2f6szqlDDARu8LtEWFK28pZ5i26qZEnog%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 85.210.193.152
- 20.184.175.16
- 52.253.84.76
- 4.230.171.124
- 135.232.92.137
- 48.211.4.16
- 74.179.77.164
- 20.42.72.131
- 20.236.44.162
- 40.99.134.18
- 52.123.129.14
- 52.123.128.14
- 172.178.240.162
- 203.26.79.13
- 52.110.12.8
- 135.233.95.80
- 52.148.114.188
- 92.223.78.30
- 72.153.5.135
- 51.116.253.169
- 48.199.12.1
- 20.184.175.18
- 51.11.192.51
- 52.110.12.54
File paths
- X:\:t:
- X:\:`:d:h:l:p:t:x:
- T:\:`:d:h:l:p:t:x:
- X:\:`:d:p:
- P:\:`:h:l:p:t:x:
- X:\:`:d:
More Delfinject samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report