MALICIOUS — a067d63306a1f53451b4c67c4f0b6765387bfd5ddcf9885c7b55330843a8805e
MALICIOUS — a067d63306a1f53451b4c67c4f0b6765387bfd5ddcf9885c7b55330843a8805e is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Delf family. 6 of 55 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
a067d63306a1f53451b4c67c4f0b6765387bfd5ddcf9885c7b55330843a8805e - SHA-1:
15cc4ff76a1d049423a0b87ef54e836463b049cd - MD5:
d5b96ff27575c6591197755758a85b7c - imphash:
31d1c48ee7d8e07a5706e963146db875 - ssdeep:
6144:BtfDwsjPThT5zRJgOXyug6m88PTBOsSknroAxTnj/:B5h3JgOXU28PTYsSknroAB - TLSH:
T1AF43AE2667726786D3F3E6615490AAAD40F3B0F820BE05CD3047E16E63EAC1B527934D - Submitted as: a067d63306a1f53451b4c67c4f0b6765387bfd5ddcf9885c7b55330843a8805e
- File type: pe · Size: 234664 bytes
- Verdict: malicious (100/100) · Family: Delf
Detections (6 of 55 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- ClamAV (daily): Win.Trojan.Delf-1564
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Virus:Win32/Viking.MS
- Emsisoft (Emergency Kit): Trojan.Agent.FPMF
- Kaspersky (KVRT): Virus.Win32.Lamer.xe
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 100/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Delf-1564 (rule
Win.Trojan.Delf-1564) - engine signal, weight 0.90, confidence 0.95 - Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - Dropped a malicious payload: MicrosoftEdge_X64_150.0.4078.105_150.0.4078.65.exe - dynamic signal, weight 0.62, confidence 0.90
- Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 21 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - 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 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
55409 behavior events · 2 ATT&CK techniques · 79 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\LibreOffice\program\uno.exe -
9999540faff394ebd3a3afdc8a31c5662b35137ca0ca98ce9a409c0c72708197 - C:\Program Files (x86)\Microsoft\EdgeCore\150.0.4078.105\copilotapp.exe -
6a930f2a036b3131c88bd75f027e49ce2382858493e46e8ef4437aff11ed5bd1 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe -
49e1c9ce823874e5fb0ba78d5243036c1d6d7b9bb1438a422780e4c1442001fd - C:\Program Files (x86)\Microsoft\EdgeUpdate\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\150.0.4078.105\MicrosoftEdge_X64_150.0.4078.105_150.0.4078.65.exe -
0e30c51ac086b6b5dae2ae7039af88c090316805aa0927ab4e2f007895f3841f - C:\Users\analyst\AppData\Local\Microsoft\OneDrive\26.123.0628.0001\FileSyncHelper.exe -
62717a9b8a9aab8e8741638505e943d55781db0e5af23c53622907ca444559f0 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jfr.exe -
c083d168398d1ffead2873de4d79eedf81dcf289bbbb3628d0da7d7630d157dc - C:\Program Files\LibreOffice\program\python-core-3.12.13\bin\pythonw.exe -
6a965bc444203c6bb9471ae8e235d59d192f9c0d9a65ec555e31047264c465d2 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 -
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - C:\Python310-32\python.exe -
0bad91a5686591d967b2fdcb8ffd1888f898c2fa23ff10838fac8efb0953af27 - C:\Program Files (x86)\Microsoft\Edge\Application\150.0.4078.105\elevated_tracing_service.exe -
50ba71120ba95ecf6a057fdbb066d34c8920c7e880128adca3943c780542163e - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\java.exe -
07ae1adb0062f0b084d73cda1f66ed7b0acfe2e70b5dc7bf701185be1f628db3 - C:\Program Files\SumatraPDF\SumatraPDF.exe -
37fffb67292b35a56d3bdb0efba96a0725b91f9d87ac7d6f4419a76dc07fab04 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jwebserver.exe -
f46d630631ca1a76bb94e38c97400c7ef613055f5c5052b0ae6f521d13da2d11 - C:\Program Files\LibreOffice\program\soffice.exe -
8f52591dee902757de99c581025e3ad3f199af2179658c4cd5bc11d504baa732 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccesswalker.exe -
0134d7591f662f96e0fbce6932854ab2b750a3c4172f5e15c5513a19ba362307
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/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=1787818878&P2=404&P3=2&P4=UpmN5yJNRdIpeeEw9DBKhfD%2bd3kbTSTfLmCQ2JbbdqSelS3KGsqvfgCafLWKsCvzbwGzcZ0fz0eV21gst3%2bYMg%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=1787818956&P2=404&P3=2&P4=DSISz8grLKu5j0J87EUo0KIHIcQ7%2blu3ICPgYBe2DdsOYeN7HaETG0dD084regzcHJWjqA2PMy33SMZffs0YXw%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
- aefd.nelreports.net
Embedded IP addresses
- 192.168.0.30
- 192.168.8.1
- 4.150.223.110
- 20.247.184.142
- 40.84.85.40
- 4.230.171.124
- 74.178.76.128
- 135.232.92.97
- 74.179.77.204
- 20.112.250.133
- 172.66.2.5
- 52.123.129.14
- 52.123.128.14
- 172.178.240.162
- 203.26.79.13
- 52.148.114.188
- 52.110.12.26
- 52.110.12.46
- 135.233.45.222
- 74.178.76.44
- 72.154.7.114
- 52.110.12.14
- 52.110.12.31
File paths
- c:\jenkins\workspace\8-2-build-windows-i586-cygwin\jdk8u281\880\build\windows-i586\jdk\objs\unpackexe\unpack200.pdb
- L:\:l:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report