MALICIOUS — c9c823a6b8edea8e71da61bb13c231776b1256c6371fb1e46348223b282a9bb1
MALICIOUS — c9c823a6b8edea8e71da61bb13c231776b1256c6371fb1e46348223b282a9bb1 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Delf family. 5 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
c9c823a6b8edea8e71da61bb13c231776b1256c6371fb1e46348223b282a9bb1 - SHA-1:
c956a5abd9ce819d452e03559317e1fc729cc202 - MD5:
35c5708569eb5b1e26a33ad6ef884f2e - imphash:
9973fdd4b86d866b3faa39fa66cf7e0a - ssdeep:
12288:/IZ+0yj/TTFSqMKhearix+Gg6VhFJow3sPCPXNYm:/IZ+dj/QqMuearixn7VhFJobPCPXNYm - TLSH:
T1894B8CCE031D2342E773DA646D419F9D5462B4E5E57D3A6C0A43C23F31A382BAD3246A - Submitted as: c9c823a6b8edea8e71da61bb13c231776b1256c6371fb1e46348223b282a9bb1
- File type: pe · Size: 494885 bytes
- Verdict: malicious (98/100) · Family: Delf
Detections (5 of 55 engines)
- ClamAV (daily): Win.Worm.Delf-6980489-0
- YARA: delivr.to detections: DLV_ISO_IMG_Container_Lure
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Worm:Win32/Xolxo.A
- Kaspersky (KVRT): P2P-Worm.Win32.Delf.aj
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Worm.Delf-6980489-0 (rule
Win.Worm.Delf-6980489-0) - 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 24 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- 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: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - 1 behavioral detection(s): Discovery: enumerates installed security software [low] (rule
tl-security-software-discovery) - dynamic signal, weight 0.20, confidence 0.90 - Dropped 45 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
37823 behavior events · 0 ATT&CK techniques · 54 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
- officeclient.microsoft.com
- www.msn.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jfr.exe -
3e27cc6407fc7d7b6e26495c6ff849c23cf3b6e9c8a885ea742ad7b3109af536 - C:\Program Files\LibreOffice\program\minidump_upload.exe -
043992ba638e2d66b35ec46587d304341e3c9261ef2ac793e1323caf8e67d4b6 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\ktab.exe -
51e57fdf672acec905dc11fb467293a6c1251683cb92e769d451e46b9e0e92d6 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\klist.exe -
aadb3e2525a1f49389d14acdf196c8b373e225e91ecd984fafefafad35eb5079 - C:\Program Files\LibreOffice\program\gengal.exe -
0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91 - C:\Program Files\LibreOffice\program\opencltest.exe -
7edfd03ba442d70fe7bb4572cd5b0461ab0c1d98029a4467d83fed3094ae89cf - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\keytool.exe -
1aba399dae6f5259d3c234cb1472f8ffc38ce1cba2e9526c515613abe09e1900 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 -
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - C:\Program Files\LibreOffice\program\mar.exe -
f5b52e738cb27c249704f47d651402bd7d58c30813b2cf10b7b8239af227cad0 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe -
3c6d62569a6dbad19d57ab33039ea0626a3eaf4386fa8b207c136957b26005ab - C:\Program Files\LibreOffice\program\gengal.exe -
377eb1c5ece09c66752f08412f34e55911e91c85375b5988df4f878d9231e495 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\ktab.exe -
bccca493b2b4bde9ffd367aeec37bea26821cf7dd3f25634ffab7c0108fef3b0 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe -
c4c65264e0d3b9b31c5262259ec4b8af6ec62a1fff918a98910aabf17f015959 - C:\Program Files\Internet Explorer\iexplore.exe- -
d2b9a657082dc4507aedb508f03f5c42375cdfec3f43aa91a1e84a3c5d172120 - C:\Program Files\Internet Explorer\ielowutil.exe -
4e307bc9c49a98187e384a9309fbbf49e4fde50b2b989cede11bb8eb2c8debdc
Embedded URLs
- 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
- http://www.digicert.com/CPS0
- http://crl3.digicert.com/sha2-assured-ts.crl02
- http://crl4.digicert.com/sha2-assured-ts.crl0
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- http://crl3.digicert.com/assured-cs-g1.crl00
- http://crl4.digicert.com/assured-cs-g1.crl0L
- http://cacerts.digicert.com/DigiCertAssuredIDCodeSigningCA-1.crt0
- http://crl3.digicert.com/sha2-assured-cs-g1.crl05
- http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
- http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
- http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
- 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=1787828747&P2=404&P3=2&P4=AQBR8EOgmeabLxIUhj%2bdgPKBTKGE%2bvfkwVsjIaxhbdKtIqDVqtJnL8PdRgiJBbYemv5M1o%2bHG0DyXgkmWyhLGQ%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=1787828821&P2=404&P3=2&P4=Asj17zwIFR03QgK%2fuw%2fcUUezWiBEHIqEEE0R1j%2bm7m53qGdQQtSLuArMtilKi2b6j2OsknxXXGYcatdcc839bQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- crl3.digicert.com
- crl4.digicert.com
- www.digicert.com
- cacerts.digicert.com
- logging.cc
- schemas.microsoft.com
- crl.microsoft.com
- www.microsoft.com
Embedded IP addresses
- 52.168.117.168
- 4.230.171.124
- 85.210.196.11
- 20.247.184.197
- 20.165.94.63
- 4.150.223.114
- 74.178.240.51
- 20.236.44.162
- 52.123.128.14
- 40.103.64.226
- 52.123.129.14
- 203.26.79.13
- 135.233.45.221
- 172.66.2.5
- 20.165.94.46
- 52.110.12.2
- 52.110.12.21
- 52.148.114.188
- 72.145.35.107
- 92.223.78.30
- 135.232.92.34
- 172.178.240.163
- 52.110.12.15
- 52.110.12.49
Registry keys
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\MIME\audio/x-aiff]
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\MIME\audio/aiff]
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\.aiff]
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\.aifc]
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\.aif]
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\MIME\video/quicktime]
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\.qt]
- HKEY_CLASSES_ROOT\CLSID\{05589FA1-C356-11CE-BF01-00AA0055595A}\EnablePlugin\.mov]
- HKLM\Software\Google\Update\
- HKCU\Software\Google\Update\
- HKLM\Software\Google\UpdateDev\
- HKLM\Software\Policies\Google\Update\
File paths
- C:\My
- C:\WINNT\system32\actmovie.exe
- C:\WINDOWS\system32\dllhost.exe
- C:\WINDOWS\pchealth\helpctr\binaries\notiflag.exe
- C:\Program
- D:\B\T\BuildResults\bin\Release\AcroRd32Info.pdb
- X:\:`:d:h:l:p:t:x:
- T:\:d:l:t:
- c:\jenkins\workspace\8-2-build-windows-amd64-cygwin\jdk8u281\880\build\windows-amd64\jdk\objs\servertool_objs\servertool.pdb
- c:\jenkins\workspace\8-2-build-windows-amd64-cygwin\jdk8u281\880\build\windows-amd64\jdk\objs\rmiregistry_objs\rmiregistry.pdb
- C:\cygwin64\bin\getfacl.exe
- c:\dumps
- c:\symbols
More Delf samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report