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Windows Analysis Report
yj81rxDZIp

Overview

General Information

Sample Name:yj81rxDZIp (renamed file extension from none to dll)
Analysis ID:626482
MD5:4f1cdae4390ecb862267f2eaaf826c74
SHA1:082de69d51991350ddfc05350073a55571c3ce5d
SHA256:c4e2c26fd37189447fcd387393974199933fdbffaadf2faaaac5347d1b0a8ef5
Tags:exetrojan
Infos:

Detection

Emotet
Score:92
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected Emotet
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Snort IDS alert for network traffic
Hides that the sample has been downloaded from the Internet (zone.identifier)
Queries the volume information (name, serial number etc) of a device
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query locales information (e.g. system language)
Deletes files inside the Windows folder
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Creates files inside the system directory
Internet Provider seen in connection with other malware
Detected potential crypto function
Found evasive API chain (may stop execution after checking a module file name)
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to dynamically determine API calls
HTTP GET or POST without a user agent
Program does not show much activity (idle)
IP address seen in connection with other malware
PE file contains an invalid checksum
Tries to load missing DLLs
Drops PE files to the windows directory (C:\Windows)
Detected TCP or UDP traffic on non-standard ports
Checks if the current process is being debugged
Registers a DLL
Queries disk information (often used to detect virtual machines)
Creates a process in suspended mode (likely to inject code)

Classification

  • System is w10x64
  • loaddll64.exe (PID: 7068 cmdline: loaddll64.exe "C:\Users\user\Desktop\yj81rxDZIp.dll" MD5: 4E8A40CAD6CCC047914E3A7830A2D8AA)
    • cmd.exe (PID: 7080 cmdline: cmd.exe /C rundll32.exe "C:\Users\user\Desktop\yj81rxDZIp.dll",#1 MD5: 4E2ACF4F8A396486AB4268C94A6A245F)
      • rundll32.exe (PID: 7104 cmdline: rundll32.exe "C:\Users\user\Desktop\yj81rxDZIp.dll",#1 MD5: 73C519F050C20580F8A62C849D49215A)
        • regsvr32.exe (PID: 2532 cmdline: C:\Windows\system32\regsvr32.exe "C:\Windows\system32\KZsiDdn\sdxQuTDjzsbvXJ.dll" MD5: D78B75FC68247E8A63ACBA846182740E)
    • regsvr32.exe (PID: 7092 cmdline: regsvr32.exe /s C:\Users\user\Desktop\yj81rxDZIp.dll MD5: D78B75FC68247E8A63ACBA846182740E)
    • rundll32.exe (PID: 7112 cmdline: rundll32.exe C:\Users\user\Desktop\yj81rxDZIp.dll,DllRegisterServer MD5: 73C519F050C20580F8A62C849D49215A)
    • rundll32.exe (PID: 3384 cmdline: rundll32.exe C:\Users\user\Desktop\yj81rxDZIp.dll,DllUnregisterServer MD5: 73C519F050C20580F8A62C849D49215A)
  • svchost.exe (PID: 1300 cmdline: C:\Windows\System32\svchost.exe -k netsvcs -p MD5: 32569E403279B3FD2EDB7EBD036273FA)
  • svchost.exe (PID: 5756 cmdline: C:\Windows\System32\svchost.exe -k netsvcs -p MD5: 32569E403279B3FD2EDB7EBD036273FA)
  • svchost.exe (PID: 6356 cmdline: C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS MD5: 32569E403279B3FD2EDB7EBD036273FA)
  • svchost.exe (PID: 7160 cmdline: C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService MD5: 32569E403279B3FD2EDB7EBD036273FA)
  • svchost.exe (PID: 6696 cmdline: C:\Windows\System32\svchost.exe -k netsvcs -p MD5: 32569E403279B3FD2EDB7EBD036273FA)
  • svchost.exe (PID: 1592 cmdline: C:\Windows\System32\svchost.exe -k netsvcs -p MD5: 32569E403279B3FD2EDB7EBD036273FA)
  • cleanup
No configs have been found
SourceRuleDescriptionAuthorStrings
00000003.00000002.436780201.0000000180001000.00000020.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
    00000004.00000002.434955422.000001A2C05E0000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
      00000002.00000002.434632880.0000000000CE0000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
        00000006.00000002.944705463.0000000000B80000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
          00000003.00000002.437553196.0000012A08A10000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
            Click to see the 3 entries
            SourceRuleDescriptionAuthorStrings
            3.2.rundll32.exe.12a08a10000.0.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
              6.2.regsvr32.exe.b80000.1.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                6.2.regsvr32.exe.b80000.1.raw.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                  2.2.regsvr32.exe.ce0000.0.raw.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                    4.2.rundll32.exe.1a2c05e0000.1.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                      Click to see the 3 entries
                      No Sigma rule has matched
                      Timestamp:192.168.2.5150.95.66.1244977580802404312 05/14/22-04:33:59.725234
                      SID:2404312
                      Source Port:49775
                      Destination Port:8080
                      Protocol:TCP
                      Classtype:A Network Trojan was detected

                      Click to jump to signature section

                      Show All Signature Results

                      AV Detection

                      barindex
                      Source: yj81rxDZIp.dllVirustotal: Detection: 35%Perma Link
                      Source: https://23.239.0.12/xAvira URL Cloud: Label: malware
                      Source: https://23.239.0.12/?Avira URL Cloud: Label: malware
                      Source: https://23.239.0.12/=Avira URL Cloud: Label: malware
                      Source: https://150.95.66.124:8080/Virustotal: Detection: 6%Perma Link
                      Source: unknownHTTPS traffic detected: 23.239.0.12:443 -> 192.168.2.5:49773 version: TLS 1.2
                      Source: yj81rxDZIp.dllStatic PE information: DYNAMIC_BASE, NX_COMPAT
                      Source: Binary string: msacm32.pdb source: regsvr32.exe, 00000006.00000002.944457970.00000000008B5000.00000004.00000010.00020000.00000000.sdmp
                      Source: Binary string: msacm32.pdbGCTL source: regsvr32.exe, 00000006.00000002.944457970.00000000008B5000.00000004.00000010.00020000.00000000.sdmp
                      Source: C:\Windows\System32\regsvr32.exeCode function: 6_2_000000018000D26C FindFirstFileW,FindNextFileW,FindClose,6_2_000000018000D26C

                      Networking

                      barindex
                      Source: C:\Windows\System32\regsvr32.exeNetwork Connect: 150.95.66.124 8080Jump to behavior
                      Source: C:\Windows\System32\regsvr32.exeNetwork Connect: 23.239.0.12 443Jump to behavior
                      Source: TrafficSnort IDS: 2404312 ET CNC Feodo Tracker Reported CnC Server TCP group 7 192.168.2.5:49775 -> 150.95.66.124:8080
                      Source: Joe Sandbox ViewASN Name: LINODE-APLinodeLLCUS LINODE-APLinodeLLCUS
                      Source: Joe Sandbox ViewASN Name: GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG
                      Source: Joe Sandbox ViewJA3 fingerprint: 51c64c77e60f3980eea90869b68c58a8
                      Source: global trafficHTTP traffic detected: GET / HTTP/1.1Cookie: QplU=hBL9qJmGvW/2EuZ+GBF9bH2Pgx/JXOgEgUtSMs/Xr65WzDcqetddaWzwuXh5JGx39JgIR932OSnFY7E9phFJznqERMAUy3kUCUPxgga7CbKI6PBLY6I638PGhOIVZSUw305F9rapXw/czJXriHFq3NWcZgk0+SEeip6YZgc+3gUrtVrVeMEIF9KknYl3mfXEDIMIpUXTxabJMjN6Z50nL/WUTE7lAATo6Fjj4ZuuVOtxKlmhmkYxOI9E6JidVirta2dbsnCt+uBB1ViBVc3HvZOhdAwkTZXZin4oG8ahn7usXUw+DZruLwhbao/dbbpRRY9R4mVWuKxe55MemWZ4R6k=Host: 23.239.0.12Connection: Keep-AliveCache-Control: no-cache
                      Source: Joe Sandbox ViewIP Address: 23.239.0.12 23.239.0.12
                      Source: Joe Sandbox ViewIP Address: 150.95.66.124 150.95.66.124
                      Source: global trafficTCP traffic: 192.168.2.5:49775 -> 150.95.66.124:8080
                      Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49773
                      Source: unknownNetwork traffic detected: HTTP traffic on port 49773 -> 443
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 23.239.0.12
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: unknownTCP traffic detected without corresponding DNS query: 150.95.66.124
                      Source: svchost.exe, 00000016.00000003.570659323.0000023559D61000.00000004.00000020.00020000.00000000.sdmpString found in binary or memory: Try it free for 30 days, no strings attached\r\n\r\nLike us on Facebook: http://www.facebook.com/spotify \r\nFollow us on Twitter: http://twitter.com/spotify","ProductTitle":"Spotify - Music and Podcasts","SearchTitles":[{"SearchTitleString":"Spotify","SearchTitleType":"SearchHint"},{"SearchTitleString":"Music","SearchTitleType":"SearchHint"},{"SearchTitleString":"music apps","SearchTitleType":"SearchHint"},{"SearchTitleString":"free music","SearchTitleType":"SearchHint"},{"SearchTitleString":"podcasts","SearchTitleType":"SearchHint"},{"SearchTitleString":"streaming","SearchTitleType":"SearchHint"},{"SearchTitleString":"soundcloud","SearchTitleType":"SearchHint"}],"Language":"en-us","Markets":["US","DZ","AR","AU","AT","BH","BD","BE","BR","BG","CA","CL","CN","CO","CR","HR","CY","CZ","DK","EG","EE","FI","FR","DE","GR","GT","HK","HU","IS","IN","ID","IQ","IE","IL","IT","JP","JO","KZ","KE","KW","LV","LB","LI","LT","LU","MY","MT","MR","MX","MA","NL","NZ","NG","NO"," equals www.facebook.com (Facebook)
                      Source: svchost.exe, 00000016.00000003.570659323.0000023559D61000.00000004.00000020.00020000.00000000.sdmpString found in binary or memory: Try it free for 30 days, no strings attached\r\n\r\nLike us on Facebook: http://www.facebook.com/spotify \r\nFollow us on Twitter: http://twitter.com/spotify","ProductTitle":"Spotify - Music and Podcasts","SearchTitles":[{"SearchTitleString":"Spotify","SearchTitleType":"SearchHint"},{"SearchTitleString":"Music","SearchTitleType":"SearchHint"},{"SearchTitleString":"music apps","SearchTitleType":"SearchHint"},{"SearchTitleString":"free music","SearchTitleType":"SearchHint"},{"SearchTitleString":"podcasts","SearchTitleType":"SearchHint"},{"SearchTitleString":"streaming","SearchTitleType":"SearchHint"},{"SearchTitleString":"soundcloud","SearchTitleType":"SearchHint"}],"Language":"en-us","Markets":["US","DZ","AR","AU","AT","BH","BD","BE","BR","BG","CA","CL","CN","CO","CR","HR","CY","CZ","DK","EG","EE","FI","FR","DE","GR","GT","HK","HU","IS","IN","ID","IQ","IE","IL","IT","JP","JO","KZ","KE","KW","LV","LB","LI","LT","LU","MY","MT","MR","MX","MA","NL","NZ","NG","NO"," equals www.twitter.com (Twitter)
                      Source: svchost.exe, 00000016.00000003.570659323.0000023559D61000.00000004.00000020.00020000.00000000.sdmpString found in binary or memory: Try it free for 30 days, no strings attached\r\n\r\nLike us on Facebook: http://www.facebook.com/spotify \r\nFollow us on Twitter: http://twitter.com/spotify","ProductTitle":"Spotify - Music and Podcasts","SearchTitles":[{"SearchTitleString":"Spotify","SearchTitleType":"SearchHint"},{"SearchTitleString":"Music","SearchTitleType":"SearchHint"},{"SearchTitleString":"music apps","SearchTitleType":"SearchHint"},{"SearchTitleString":"free music","SearchTitleType":"SearchHint"},{"SearchTitleString":"podcasts","SearchTitleType":"SearchHint"},{"SearchTitleString":"streaming","SearchTitleType":"SearchHint"},{"SearchTitleString":"soundcloud","SearchTitleType":"SearchHint"}],"Language":"en-us","Markets":["US","DZ","AR","AU","AT","BH","BD","BE","BR","BG","CA","CL","CN","CO","CR","HR","CY","CZ","DK","EG","EE","FI","FR","DE","GR","GT","HK","HU","IS","IN","ID","IQ","IE","IL","IT","JP","JO","KZ","KE","KW","LV","LB","LI","LT","LU","MY","MT","MR","MX","MA","NL","NZ","NG","NO","OM","PK","PE","PH","PL","PT","QA","RO","RU","SA","RS","SG","SK","SI","ZA","KR","ES","SE","CH","TW","TH","TT","TN","TR","UA","AE","GB","VN","YE","LY","LK","UY","VE","AF","AX","AL","AS","AO","AI","AQ","AG","AM","AW","BO","BQ","BA","BW","BV","IO","BN","BF","BI","KH","CM","CV","KY","CF","TD","TL","DJ","DM","DO","EC","SV","GQ","ER","ET","FK","FO","FJ","GF","PF","TF","GA","GM","GE","GH","GI","GL","GD","GP","GU","GG","GN","GW","GY","HT","HM","HN","AZ","BS","BB","BY","BZ","BJ","BM","BT","KM","CG","CD","CK","CX","CC","CI","CW","JM","SJ","JE","KI","KG","LA","LS","LR","MO","MK","MG","MW","IM","MH","MQ","MU","YT","FM","MD","MN","MS","MZ","MM","NA","NR","NP","MV","ML","NC","NI","NE","NU","NF","PW","PS","PA","PG","PY","RE","RW","BL","MF","WS","ST","SN","MP","PN","SX","SB","SO","SC","SL","GS","SH","KN","LC","PM","VC","TJ","TZ","TG","TK","TO","TM","TC","TV","UM","UG","VI","VG","WF","EH","ZM","ZW","UZ","VU","SR","SZ","AD","MC","SM","ME","VA","NEUTRAL"]}],"MarketProperties":[{"RelatedProducts":[],"Markets":["US"]}],"ProductASchema":"Product;3","ProductBSchema":"ProductUnifiedApp;3","ProductId":"9NCBCSZSJRSB","Properties":{"PackageFamilyName":"SpotifyAB.SpotifyMusic_zpdnekdrzrea0","PackageIdentityName":"SpotifyAB.SpotifyMusic","PublisherCertificateName":"CN=453637B3-4E12-4CDF-B0D3-2A3C863BF6EF","XboxCrossGenSetId":null,"XboxConsoleGenOptimized":null,"XboxConsoleGenCompatible":null},"AlternateIds":[{"IdType":"LegacyWindowsStoreProductId","Value":"ceac5d3f-8a4f-40e1-9a67-76d9108c7cb