MALICIOUS — 42dfa75e15f5ab903f6960c6aee53abb260faa8e16e807e090addad70500db45
MALICIOUS — 42dfa75e15f5ab903f6960c6aee53abb260faa8e16e807e090addad70500db45 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Sivis family. 9 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
42dfa75e15f5ab903f6960c6aee53abb260faa8e16e807e090addad70500db45 - SHA-1:
7cdf69e6d3a64210889071fa279a8245c051b168 - MD5:
ddb3e3b7983925a1130a4f743ceaebda - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
6144:TeEriRsAxH/K2jye9POln4RUOeinwl5gaO5W2cRFzZnk6k/:igixH/dpPOV4uOeinggFQFzJk/ - TLSH:
T12D4A8EB1111A1135D9FAAEB0A41CCE7CD0637949703C6F5E9087EB5C90E8AD3E8FA491 - Submitted as: 42dfa75e15f5ab903f6960c6aee53abb260faa8e16e807e090addad70500db45
- File type: pe · Size: 436833 bytes
- Verdict: malicious (99/100) · Family: Sivis
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 99/100 is the fusion of 11 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Agent-6943819-1 (rule
Win.Trojan.Agent-6943819-1) - 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 - Contacted 31 external host(s) at runtime (20 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)
25563 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
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-file-l1-2-0.dll -
06709b7150daed12e4034d9cdb54cdd7670cf12db04f3d042dd990648a4fb4bc - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jawt.dll -
399182e75b2eb5e1fb1c4150ba02ff7fed4bc1eba55f65e566e1939fb6d9c48a - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe -
4bf692ce06a33a0b690a07a84f974faa6dc73484b3bbf3effc3db27890324e75 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-processthreads-l1-1-1.dll -
ef609d401c5994f1d03bbedc9b51eef029af137df58ef260ad0cde988b3cfa2f - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\awt.dll -
6514ea2e3d89240ab76426443fc9d63fbfb61dd034775d100faed2d270077f80 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaaccessbridge.dll -
5b9bc465950796a1a93ebc33db5290d02d56d44da40b2a902989dfd0527323ef - C:\$WinREAgent\Backup\SrSettings.ini -
abd9843a66868f9e53f57ffb7b0fd49191fd237a3097dc88255a1f78fb55c5f3 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-utility-l1-1-0.dll -
ff2abd7883ca091e1086294d5d0274e93cd6ddd3a8f6de1e49286d1eae1a706d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jsound.dll -
8e99aa3b7d4cc970ee38827480db574d1e01d07122abbcedf26d0f00acd8dd71 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-util-l1-1-0.dll -
fe8c3ab94f986cca019e0061ceffc33ed7996514dcfd58a57be66890f818d590 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-file-l1-1-0.dll -
c2f1de8070e0f00032878593a5874d510993eb8b2ec1b771b5b8217f98994342 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-heap-l1-1-0.dll -
011e24841eb27be6047dc817f56319cfea32cefd6e44bd57d8858ac1161ad301 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe -
10eaea007790f109caa4de28f474c86bf4ce877cff3eaf043abeb68b349200b8 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jsvml.dll -
63385b80f922d579fa0b4b374f8a847de2f6d1061cadbcb706cf22dbfddde7f3 - C:\$WinREAgent\RollbackInfo.ini -
ca2f702517339c8d31f53ce743a8f1bbc65f33deeb5740918a484bee8574c255
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.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=1787769728&P2=404&P3=2&P4=Fws%2feegLVy%2fZo0pjjv%2blzwgtnIdE2uA4I6YIKKDpDAwqxcfrdEYyc33JHMpc%2fNGG6OTZNpwFSN5QtUz%2bjDMMaQ%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=1787769762&P2=404&P3=2&P4=P0Q%2fW28SaK2uyof7uQs41IGsV2iQW86fBTi3Io6N3A5breVLrJFy8O%2bgHqonzT8SecvLngB6nBNdwQBV%2bNpymw%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
Embedded IP addresses
- 4.150.223.107
- 74.178.232.29
- 52.123.252.202
- 172.215.188.232
- 4.230.171.124
- 4.144.132.223
- 74.178.240.61
- 135.233.95.135
- 52.168.112.67
- 20.184.175.1
- 52.123.128.14
- 20.112.250.133
- 40.99.134.2
- 40.99.134.18
- 52.123.129.14
- 40.104.4.2
- 52.123.252.238
- 52.123.252.226
- 172.66.2.5
- 52.123.252.241
- 135.233.45.222
- 203.26.79.13
- 74.178.76.44
- 85.210.193.152
- 52.148.114.188
More Sivis samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report