MALICIOUS — mlib_image.dll
MALICIOUS — mlib_image.dll is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Container family. 9 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
5045de9c36c402962e8a5812f8de15e7bff79cc3b840efb51f3d860d11c29a36 - SHA-1:
ae5a812e0c87fdd650618c0a38665ac1c5a6effb - MD5:
c8d1feb313f0f5b31ce48d15d1f6ffba - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
24576:XixH/rPOzAgg2F2DobO7JN3qwHm7hN7wj+9O4ytuoEh5XQDZTqE5:yxDPOMgyXN3THWdYptEheZZ - TLSH:
T131599EB3410B7110EAF5D8A0E474889C5166F934E6392F8D815FFA6C009FAD786E43B6 - Submitted as: mlib_image.dll
- File type: pe · Size: 1857755 bytes
- Verdict: malicious (98/100) · Family: Container
Detections (9 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Trojan.Agent-6943819-1
- YARA: delivr.to detections: DLV_ISO_IMG_Container_Lure
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:UPX
- Microsoft Defender: Virus:Win32/Sivis.A
- Emsisoft (Emergency Kit): Win32.Sivis.A
- Trellix Stinger (McAfee): PolyPatch-UPX
- Kaspersky (KVRT): Virus.Win32.Agent.es
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Agent-6943819-1 (rule
Win.Trojan.Agent-6943819-1) - engine signal, weight 0.90, confidence 0.95 - Contacted 27 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
- YARA: delivr.to detections flagged DLV_ISO_IMG_Container_Lure (rule
DLV_ISO_IMG_Container_Lure) - engine signal, weight 0.35, confidence 0.70 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - Detect It Easy (packer/type) flagged DIE:UPX (rule
DIE:UPX) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: http://creativecommons.org/publicdomain/zero/1.0/, https://d.symcb.com/rpa0, http://s.symcb.com/universal-root.crl0 - static signal, weight 0.35, confidence 0.60
- Packing/obfuscation: UPX - static signal, weight 0.25, confidence 0.55
- Dropped 83 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
25012 behavior events · 0 ATT&CK techniques · 97 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
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- msedge.api.cdp.microsoft.com
Dropped files
- C:\p.ps1 -
52b6ac295f76c8fc9f0e8577f236edb568b379df63c5e5408ec06845940eb8e0 - C:\$WinREAgent\Backup\boot.sdi -
edc56df1fec6e6088cc40b7670ebca4cf95c4bb94e7036a5848529f0a94baf19 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaaccessbridge.dll -
dc2ef2ee0944c47cd9e2b112a8b546efae1009d21fc3b0cd81344a39bcf86114 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-sysinfo-l1-1-0.dll -
168afaaf0ddd35258af091ff59bceff94191e860bddda175588da1f5e7d48418 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-errorhandling-l1-1-0.dll -
c0403ac2bbe9ab28235917c2f55ac0c16ea7dbf58c0e9d446b6aeae8d77810e0 - C:\Program Files\desktop.ini -
57674dd23c7f0cc666be1b4f769e5ad8f052557c7d0298aead6eb31a346c8379 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\keytool.exe -
6135194d88ae58a662af64c73a16ae0aad12709cb8535b867a179238a9d3c1c3 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe -
6eb525ee8d6174805182df7e45239a039323ccd0c0fa0e8fd89b612897c4ea02 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\mlib_image.dll -
227e653595359eab24efa7b796833804c2332da630613d967f64ef188c152558 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe -
0a8badbb9fad4f642e800a58a893505c4f6b2efd153bc14dad11d84ed10a4cdd - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-interlocked-l1-1-0.dll -
091076edad80069c7937717d5466dec825b198e041040c87b4c46d397cb71db1 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jdwp.dll -
6396fffd3e30037e735de2f92d7553ca78ecbcbb6e3f18635f59de163c92373f - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jimage.dll -
d4b8cdf31d4746462b44121e940eeeb70aaae7df7b22af078c26c3f7367cb0fc - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-libraryloader-l1-1-0.dll -
0535dc1ac2959640341f6df1e2b744ac64d85b2efff1c870c415dd9eec0dacb5 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\management.dll -
33a7cba07c63f1f4756df02f9dd099d186f1999984ee302c61c9bed043799bde
Embedded URLs
- http://creativecommons.org/publicdomain/zero/1.0/
- http://www.adobe.com/go/reader_system_reqs_it.UnmoveFilesRimozione
- http://www.adobe.com/go/reader_system_reqs_it
- https://www.digicert.com/CPS0
- http://cacerts.digicert.com/DigiCertEVCodeSigningCA-SHA2.crt0
- http://cacerts.digicert.com/DigiCertHighAssuranceEVRootCA.crt0
- http://crl3.digicert.com/DigiCertHighAssuranceEVRootCA.crl0@
- http://crl4.digicert.com/DigiCertHighAssuranceEVRootCA.crl0
- http://www.digicert.com/ssl-cps-repository.htm0
- https://d.symcb.com/rpa0
- http://s.symcb.com/universal-root.crl0
- https://d.symcb.com/rpa0@
- http://ts-crl.ws.symantec.com/sha256-tss-ca.crl0
- http://ts-aia.ws.symantec.com/sha256-tss-ca.cer0
- http://www.digicert.com/CPS0
- http://www.eclipse.org/0
- 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=1787726713&P2=404&P3=2&P4=f9CGUXz70UN%2b3BKc7Ocu1zuFYhfb6KNKaTih7mJGXtn5wE40nRdk1rapZq%2b2Uc4y1Xw5atWaJspH%2bp4wZInLmQ%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=1787726791&P2=404&P3=2&P4=YZ65CMIOcN2BS24DSJM%2bTrGILqr7pdSGOJrdNQA%2faa14CzfMpQfPqyRJ6OM3jUCcgTAxnWr7Ya1rDE2DyMGXIA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- creativecommons.org
- geocities.com
- www.adobe.com
- helpx.adobe.com
- www.microsoft.com
- crl3.digicert.com
- crl4.digicert.com
- www.digicert.com
- cacerts.digicert.com
- d.symcb.com
- s.symcb.com
- ts-crl.ws.symantec.com
- ts-aia.ws.symantec.com
- www.eclipse.org
Embedded IP addresses
- 52.168.112.66
- 52.123.252.212
- 4.144.132.114
- 4.230.171.124
- 172.215.188.225
- 135.232.92.137
- 20.184.175.21
- 74.178.240.51
- 74.178.240.61
- 52.123.129.14
- 20.112.250.133
- 52.123.128.14
- 40.103.64.242
- 203.26.79.13
- 52.110.12.30
- 52.110.12.53
- 135.233.95.80
- 40.79.163.154
- 104.46.162.229
- 135.233.45.223
- 135.233.45.221
- 52.148.114.188
- 20.42.179.192
- 72.153.5.128
- 135.232.92.34
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report