MALICIOUS — da72cb5ac740004336d11427dac3b4645234e5f90496a2ca67dad68077a44ac1
MALICIOUS — da72cb5ac740004336d11427dac3b4645234e5f90496a2ca67dad68077a44ac1 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:
da72cb5ac740004336d11427dac3b4645234e5f90496a2ca67dad68077a44ac1 - SHA-1:
b804aaa54e918b4ff7fd9b1aa5029421e64fff7b - MD5:
f13204835df37c7d6f224662fa153f30 - imphash:
9973fdd4b86d866b3faa39fa66cf7e0a - ssdeep:
3072:8jWZnKITkBXkHBDHsl3piopbuHzeF4fyVYyy/z1ZbVtE/ySISfkkQbp83qBBuyAO:8jMKITkBXkHhIiIYzM6ekkQLfTAnNXA - TLSH:
T140442B840D206E25F6F968248CEFCB5D635AE3FD2DD82DBD0923853A55A8613C917332 - Submitted as: da72cb5ac740004336d11427dac3b4645234e5f90496a2ca67dad68077a44ac1
- File type: pe · Size: 262144 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
- Microsoft Defender: Worm:Win32/Xolxo.A
- Emsisoft (Emergency Kit): Gen:Variant.Ransom.Amnesia.1
- Kaspersky (KVRT): P2P-Worm.Win32.Delf.aj
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 6 weighted signals:
- ClamAV (daily) flagged Win.Worm.Delf-6980489-0 (rule
Win.Worm.Delf-6980489-0) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload: minidump_upload.exe - dynamic signal, weight 0.62, confidence 0.90
- YARA: delivr.to detections flagged DLV_ISO_IMG_Container_Lure (rule
DLV_ISO_IMG_Container_Lure) - engine signal, weight 0.55, confidence 0.70 - Contacted 25 external host(s) and 21 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- 1 behavioral detection(s) across 1 rule(s): Discovery: enumerates installed security software [low] (rule
tl-security-software-discovery) - dynamic signal, weight 0.20, confidence 0.90 - Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
37184 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
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jfr.exe -
3e27cc6407fc7d7b6e26495c6ff849c23cf3b6e9c8a885ea742ad7b3109af536 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\ktab.exe -
51e57fdf672acec905dc11fb467293a6c1251683cb92e769d451e46b9e0e92d6 - C:\Program Files\LibreOffice\program\gengal.exe -
0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 -
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - C:\Program Files\LibreOffice\program\odbcconfig.exe -
9b7bd6e24be9205fb62031a78226d63794d1011193a6fdb408c76664443f47b0 - C:\Program Files\Internet Explorer\iexplore.exe- -
08a44fa29a09514fc9343c73c495488108ea8b47b99c488e5d399eddb4d1cd81 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe -
3c6d62569a6dbad19d57ab33039ea0626a3eaf4386fa8b207c136957b26005ab - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe -
c4c65264e0d3b9b31c5262259ec4b8af6ec62a1fff918a98910aabf17f015959 - C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe- -
5ca1196292fb429e416df5a6dc325345a5696bbc416edfe6399bd9d31a95541e - C:\Program Files\Internet Explorer\ielowutil.exe -
4e307bc9c49a98187e384a9309fbbf49e4fde50b2b989cede11bb8eb2c8debdc - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\java.exe -
8c435a45123e88410f42259fcb3b303b5f60ce00e01d8d4a9c5bd342bf51e184 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\keytool.exe -
599e533da3261e2fc678ccc3393bb90cafa7ce620196168b9c5cb41a4e48099b - C:\Program Files\LibreOffice\program\opencltest.exe -
995559535b888ac671ffdf9af28eee835d624c691c607cf0913e67b9a87e8160 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\klist.exe -
ffa1ec26a461fa9e5417640f546b36bcce6deb8c78df2e7bbcb3d0cfe1db3dad - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe -
a7487ee88d94f322148489c818cc861ee1e77ec31ce5b5e7b5e999c0d5acf6f6
Embedded URLs
- https://www.digicert.com/CPS0
- http://crl3.digicert.com/sha2-assured-cs-g1.crl05
- http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
- http://crl3.digicert.com/sha2-assured-ts.crl02
- http://crl4.digicert.com/sha2-assured-ts.crl0
- 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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787945797&P2=404&P3=2&P4=eFfjoBProqjvB5U3zGMdylBtZ%2btC03VWnJW%2bdmNH5uHd%2fkF1hmGr8frppYEuBiW23MHqEDYz3eSQJ8aY7Phh6A%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787945817&P2=404&P3=2&P4=ReekWz1vKfuBDGbE4xtP08r5I7iAXno6ZDJ0U6Zh7U%2fFjI8rqW39ttAD1KuH22OKK%2fPnU4NCUsUkNTLPqvsT%2bw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cacerts.digicert.com
- crl4.digicert.com
- crl3.digicert.com
- www.digicert.com
Embedded IP addresses
- 51.105.71.136
- 57.155.104.224
- 4.230.171.124
- 20.247.184.197
- 74.178.76.128
- 20.184.175.14
- 74.179.77.164
- 20.76.201.171
- 52.123.128.14
- 52.123.129.14
- 20.184.175.15
- 135.233.45.221
- 92.223.78.30
- 172.66.2.5
- 52.123.252.212
- 74.178.232.29
- 203.26.79.13
- 48.211.4.16
- 52.148.114.188
- 52.110.12.22
- 52.110.12.31
- 135.233.45.222
- 72.145.35.98
- 52.110.12.2
- 52.110.12.28
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]
File paths
- C:\My
- C:\WINNT\system32\actmovie.exe
- C:\WINDOWS\system32\dllhost.exe
- C:\WINDOWS\pchealth\helpctr\binaries\notiflag.exe
- C:\WINDOWS\system32\login.cmd
- C:\WINDOWS\system32\fastopen.exe
- C:\Program
- c:\jenkins\workspace\8-2-build-windows-amd64-cygwin\jdk8u281\880\build\windows-amd64\jdk\objs\policytool_objs\policytool.pdb
- C:\Windows\SoftwareDistribution\Download\081de06a2c4eaef12b7ae11ca95c74b6\x86_microsoft-windows-servicingstack_31bf3856ad364e35_6.1.7601.24383_none_0ba36e
- d:\w7rtm\base\cbs\util\cbsutil.cpp
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report