MALICIOUS — jaccessinspector.exe
MALICIOUS — jaccessinspector.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Sivis family. 11 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
17c7bb8dfc293e1a6ab6ef1a68fbc920b791d2ee31cf5a62a4e53697992f4c80 - SHA-1:
1a1c770e2bbeb10f51b812203923c2beb74959a9 - MD5:
13dfc3aef2029cd6631f429ea2c0f3e6 - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
12288:igixH/dpPOV4uOeinggFQF45BTP0BhBs:XixH/rPOzAgg2FQIhBs - TLSH:
T1D44C9EA2011B1121E9FAAD70602CCDACD0177459A0397FAD4247EBAD94D8EF3D8FB485 - Submitted as: jaccessinspector.exe
- File type: pe · Size: 557010 bytes
- Verdict: malicious (100/100) · Family: Sivis
Detections (11 of 55 engines)
- capa (capabilities): capability:collection/keylog
- 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
- YARA: Stratosphere IPS: STRATO_Tor_Onion_C2
- 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 100/100 is the fusion of 12 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Agent-6943819-1 (rule
Win.Trojan.Agent-6943819-1) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload (Container): lcms.dll - dynamic signal, weight 0.62, confidence 0.90
- capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 23 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 - YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule
STRATO_Tor_Onion_C2) - 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
- Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
24178 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
- settings-win.data.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe -
97bbee52c6332ad232b123bfaac85df6e468eb68ac9bf8951099762d5ef6ccba - C:\$Recycle.Bin\S-1-5-21-976637724-599762485-334819845-1001\desktop.ini -
0e07c7b93f100165a684b11b429c9b851524c8ccbdf201d84d60a9b8b5fdfede - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-locale-l1-1-0.dll -
d57a881e2114f8f22e5c3b7ff192873125cf102a029eb77284600a631de9b64d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-errorhandling-l1-1-0.dll -
95528af47e98b6c6c7f212f3e41792fb64835553104fb9c2ea552b9750c7742c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\dt_socket.dll -
2cdef984fc5a5c881539c2c8ab4e93e94466bc14052f2ce21db73a46c004d82f - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\management_agent.dll -
d7df7950ade8660977bd09f2be21f51ee86157b8e514ced0a94ad597f9af6c21 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\instrument.dll -
0cb52c4adfec48e7c95d6ca0a4dd1f288170fcdecafb317fc12d9863cfa41af1 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jli.dll -
ee81c2dade0589c6da5e7624c15832779b4eff7759eedab8eef895c77849ef9c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-console-l1-1-0.dll -
a582ee94e30703f6a3a2ecc32b3909f4713c028c93e46e198dc39c41a458c8af - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-util-l1-1-0.dll -
db933b5920d32b399410eac75828b69b64eab121039e4a336f79119dc7f8e744 - 3eeb9dd9a9762a0c84f132c2461d192a1da6a2bb657af46b4831391686e23ed1 -
3eeb9dd9a9762a0c84f132c2461d192a1da6a2bb657af46b4831391686e23ed1 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\lcms.dll -
57ef90d04f03990ae7c412e6dd60c5fc95e03f50ba364d3d2ae528830ca81312 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-handle-l1-1-0.dll -
73a4edc1c8a68a443311584cb5329f438ac282221f52b80ae9c41fe0ef5b2d92 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe -
0020472beee8b55637342e1935a56870c2e79835dac23e3ab28ce6c84ddaff2b - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jdwp.dll -
e8bdcce43c5629ccb25f2cd3884ebaa893a4a57fb082b8ed896c268d150f44cc
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=1787695291&P2=404&P3=2&P4=VL%2fYWaM75tNMACavhU5Vdw2OXY8QVIg0WKz8g68%2bMkDkXmWJv7JC0SWegELBhInp0%2feXQJhvFwNtUE8CJEI4Dg%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=1787695364&P2=404&P3=2&P4=jcSjOR%2fJc7BfkmRd%2ffqlJe%2f%2bBcyG%2fkbCxirenbxxiOKffDX0sM292%2fN0Kq9EFX3Vkj%2f3K545WA3qq40AjlhS0A%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
- 20.184.175.11
- 52.123.252.233
- 20.42.179.192
- 4.230.171.124
- 52.230.59.222
- 74.179.77.204
- 20.165.94.54
- 51.116.246.105
- 74.178.240.61
- 20.236.44.162
- 52.123.129.14
- 172.66.2.5
- 13.69.116.109
- 135.233.45.221
- 20.184.175.4
- 74.178.232.29
- 203.26.79.13
- 135.233.45.222
- 52.148.114.188
- 74.179.71.159
- 72.153.5.134
- 52.110.12.15
- 52.110.12.38
More Sivis samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report