MALICIOUS — jabswitch.exe
MALICIOUS — jabswitch.exe 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:
4562736afcdd6e50a9253fcb80f8cdc6da79f4886b24dc015ea15ae8f3b6090b - SHA-1:
f09c01338fc0e4ac2308172fdd31a4f914448975 - MD5:
1e8c5de2a905a0c80359f92c32cb88fd - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
6144:TeEriRsAxH/K2jye9POln4RUOeinwl5gaO5W2cRFAx5G3TD+2mbySH:igixH/dpPOV4uOeinggFQF+5CSD - TLSH:
T1534BAFB1421A1131E9FAEDB0A41CCE7CD063784970386F9E9147DB5D90D8AE3E8FA491 - Submitted as: jabswitch.exe
- File type: pe · Size: 496638 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 25 external host(s) at runtime (24 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)
25424 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
- c.pki.goog
- ctldl.windowsupdate.com
- login.live.com
- desktop-hsgcbep
- ocsp.digicert.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- msedge.api.cdp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jdwp.dll -
e41779a1cdea97765e919caa786ec2ee13cd31150bc0e7ce4f9fdbe02f1c4220 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-runtime-l1-1-0.dll -
9c4264d900eaca28029ed571f4927a440214fd12b2155bc67ac341bb1044298c - f4ddbbb2602027aacca00543f3341cd7014dd0cf11002efefe23e49f5e9a6c84 -
f4ddbbb2602027aacca00543f3341cd7014dd0cf11002efefe23e49f5e9a6c84 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-localization-l1-2-0.dll -
24f38086a0cb45e12434498659d95cecf3f878c53a87ca63c095330682682bd3 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-utility-l1-1-0.dll -
061063b72f89d2741bec00c89cdec4d7aa8e3b1f4904f2b5d112b4b4a15654eb - C:\$WinREAgent\RollbackInfo.ini -
54045627630931595d65ced10831e80f13a4ca5b1044593601467c620271e90c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe -
67e45f442ad012c38f5847303c11781ace3cfb91bd30866f35ab71c26774dca8 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jsvml.dll -
bafc08b313cc12b768fe8b4f6934e87b243c8dbe827e36029f09f52d6d36cc55 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaaccessbridge.dll -
c986d39bb8f1be98344875bb5a320954be2aeeb924774ae8df81de942cb8aa05 - C:\Program Files\desktop.ini -
cea7a9f4f567d370c2e6a6201b60854b7665b7893308a01635399205db09bc3c - C:\$WinREAgent\Backup\boot.sdi -
f197bdf004e39c928475ce787a876536edd3cb029ee42b19f3ba81852926ebc7 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-console-l1-2-0.dll -
03f00a9eec354ea08fd475d31ea6973b5e98128c906a0625af67022e3abe961d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-environment-l1-1-0.dll -
9665716b1f7ee1ccb0fb30b744c124df36dbbd5373bb5b83ea6ba8367a12d507 - 23ffbb08f3d3a465c573bd03ec7e4e7fde9cb1a0309bea06df78da6b90507af4 -
23ffbb08f3d3a465c573bd03ec7e4e7fde9cb1a0309bea06df78da6b90507af4 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\fontmanager.dll -
fd0e7b7b34f24780f4f8c13183a1dffc3eb442e361a8f00d58cf7d8a5eaf8471
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=1787726966&P2=404&P3=2&P4=EjGIpOmEQHUqETrbdKqhYB77VxtRcnvqN1pKbE6RgQYa2EpuT6%2b7TCBZJ1cQUdQGhkdCxpsM%2bS%2bObQ8jH%2biDIw%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=1787727047&P2=404&P3=2&P4=NdVRr47Vtnegb7B8qcswLYF6L0MR0dB5mkBFYjqGwEv%2fPUP2OTG5lFusn86JOE3%2fsIXkiysFTxcHOhI1VDFJsA%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
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
- 203.26.79.13
- 72.153.5.128
- 92.223.78.30
- 4.207.44.76
- 4.230.171.124
- 85.210.193.152
- 20.247.184.197
- 74.178.76.128
- 20.184.175.11
- 74.178.240.51
- 20.112.250.133
- 52.123.128.14
- 52.168.117.171
- 52.123.252.232
- 135.232.92.34
- 52.123.252.244
- 135.234.160.244
- 52.148.114.188
- 172.178.240.163
- 72.154.7.113
- 52.110.12.44
- 52.110.12.55
- 172.217.25.195
- 52.110.12.4
- 52.110.12.52
More Container samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report