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Windows Analysis Report
gdazhx1EIP.exe

Overview

General Information

Sample Name:gdazhx1EIP.exe (renamed file extension from exe to dll)
Analysis ID:745034
MD5:6b304d058ae0788762f8924d2cad7ef5
SHA1:f416b3c02d4f1746f8a642af253ee0d903b7b083
SHA256:5b2039d5a1ba30d90ecd085eb135635f9830f4ae88472e779267e033f7eb4547
Tags:dllexe
Infos:

Detection

Emotet
Score:84
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)
Snort IDS alert for network traffic
Creates an autostart registry key pointing to binary in C:\Windows
C2 URLs / IPs found in malware configuration
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)
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
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Tries to load missing DLLs
Drops PE files to the windows directory (C:\Windows)
Connects to several IPs in different countries
Registers a DLL
Found large amount of non-executed APIs
Uses Microsoft's Enhanced Cryptographic Provider
Creates a process in suspended mode (likely to inject code)

Classification

  • System is w10x64
  • loaddll64.exe (PID: 5948 cmdline: loaddll64.exe "C:\Users\user\Desktop\gdazhx1EIP.dll" MD5: C676FC0263EDD17D4CE7D644B8F3FCD6)
    • conhost.exe (PID: 5944 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
    • cmd.exe (PID: 5048 cmdline: cmd.exe /C rundll32.exe "C:\Users\user\Desktop\gdazhx1EIP.dll",#1 MD5: 4E2ACF4F8A396486AB4268C94A6A245F)
      • rundll32.exe (PID: 2436 cmdline: rundll32.exe "C:\Users\user\Desktop\gdazhx1EIP.dll",#1 MD5: 73C519F050C20580F8A62C849D49215A)
        • regsvr32.exe (PID: 5244 cmdline: C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RSNLKxhQH\IhDzTlHldHNg.dll" MD5: D78B75FC68247E8A63ACBA846182740E)
    • regsvr32.exe (PID: 676 cmdline: regsvr32.exe /s C:\Users\user\Desktop\gdazhx1EIP.dll MD5: D78B75FC68247E8A63ACBA846182740E)
      • regsvr32.exe (PID: 5204 cmdline: C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VGdnyYmEzk\YPrp.dll" MD5: D78B75FC68247E8A63ACBA846182740E)
    • rundll32.exe (PID: 4252 cmdline: rundll32.exe C:\Users\user\Desktop\gdazhx1EIP.dll,DllRegisterServer MD5: 73C519F050C20580F8A62C849D49215A)
      • regsvr32.exe (PID: 4896 cmdline: C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XeFlcoVt\wPzeOKW.dll" MD5: D78B75FC68247E8A63ACBA846182740E)
    • regsvr32.exe (PID: 5444 cmdline: C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MtAvdtxCDyblyei\mPrhkfVupthqSBxp.dll" MD5: D78B75FC68247E8A63ACBA846182740E)
  • regsvr32.exe (PID: 2356 cmdline: C:\Windows\system32\regsvr32.exe" "C:\Windows\system32\RSNLKxhQH\IhDzTlHldHNg.dll MD5: D78B75FC68247E8A63ACBA846182740E)
    • regsvr32.exe (PID: 3092 cmdline: C:\Windows\system32\regsvr32.exe "C:\Users\user\AppData\Local\EHrtIMNuOOnxGF\cDTWQXzuCIj.dll" MD5: D78B75FC68247E8A63ACBA846182740E)
  • cleanup
{"C2 list": ["172.105.115.71:8080", "218.38.121.17:443", "186.250.48.5:443", "103.71.99.57:8080", "85.214.67.203:8080", "85.25.120.45:8080", "139.196.72.155:8080", "103.85.95.4:8080", "198.199.70.22:8080", "209.239.112.82:8080", "78.47.204.80:443", "36.67.23.59:443", "104.244.79.94:443", "62.171.178.147:8080", "195.77.239.39:8080", "103.56.149.105:8080", "80.211.107.116:8080", "93.104.209.107:8080", "174.138.33.49:7080", "202.28.34.99:8080", "178.62.112.199:8080", "114.79.130.68:443", "118.98.72.86:443", "103.41.204.169:8080", "178.238.225.252:8080", "83.229.80.93:8080", "46.101.98.60:8080", "82.98.180.154:7080", "87.106.97.83:7080", "196.44.98.190:8080", "139.59.80.108:8080", "103.224.241.74:8080", "103.254.12.236:7080", "185.148.169.10:8080", "165.22.254.236:8080", "37.44.244.177:8080", "54.37.228.122:443", "51.75.33.122:443", "128.199.217.206:443", "188.165.79.151:443", "210.57.209.142:8080", "160.16.143.191:8080", "175.126.176.79:8080", "202.134.4.210:7080", "103.126.216.86:443", "190.145.8.4:443", "128.199.242.164:8080", "64.227.55.231:8080"]}
SourceRuleDescriptionAuthorStrings
00000006.00000002.771127294.0000000180001000.00000020.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
    00000004.00000002.261854248.0000018104890000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
      00000006.00000002.769097156.0000000000490000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
        00000013.00000002.415103190.00000000028E0000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
          00000013.00000002.415208554.0000000180001000.00000020.00001000.00020000.00000000.sdmpJoeSecurity_Emotet_1Yara detected EmotetJoe Security
            Click to see the 7 entries
            SourceRuleDescriptionAuthorStrings
            4.2.rundll32.exe.18104890000.0.raw.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
              3.2.regsvr32.exe.b60000.0.raw.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                0.2.loaddll64.exe.1fd03f10000.0.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                  6.2.regsvr32.exe.490000.0.raw.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                    19.2.regsvr32.exe.28e0000.0.unpackJoeSecurity_Emotet_1Yara detected EmotetJoe Security
                      Click to see the 7 entries
                      No Sigma rule has matched
                      Timestamp:192.168.2.3115.178.55.2249698802404304 11/13/22-18:01:59.432679
                      SID:2404304
                      Source Port:49698
                      Destination Port:80
                      Protocol:TCP
                      Classtype:A Network Trojan was detected

                      Click to jump to signature section

                      Show All Signature Results

                      AV Detection

                      barindex
                      Source: gdazhx1EIP.dllVirustotal: Detection: 43%Perma Link
                      Source: 00000006.00000002.769331647.00000000004C8000.00000004.00000020.00020000.00000000.sdmpMalware Configuration Extractor: Emotet {"C2 list": ["172.105.115.71:8080", "218.38.121.17:443", "186.250.48.5:443", "103.71.99.57:8080", "85.214.67.203:8080", "85.25.120.45:8080", "139.196.72.155:8080", "103.85.95.4:8080", "198.199.70.22:8080", "209.239.112.82:8080", "78.47.204.80:443", "36.67.23.59:443", "104.244.79.94:443", "62.171.178.147:8080", "195.77.239.39:8080", "103.56.149.105:8080", "80.211.107.116:8080", "93.104.209.107:8080", "174.138.33.49:7080", "202.28.34.99:8080", "178.62.112.199:8080", "114.79.130.68:443", "118.98.72.86:443", "103.41.204.169:8080", "178.238.225.252:8080", "83.229.80.93:8080", "46.101.98.60:8080", "82.98.180.154:7080", "87.106.97.83:7080", "196.44.98.190:8080", "139.59.80.108:8080", "103.224.241.74:8080", "103.254.12.236:7080", "185.148.169.10:8080", "165.22.254.236:8080", "37.44.244.177:8080", "54.37.228.122:443", "51.75.33.122:443", "128.199.217.206:443", "188.165.79.151:443", "210.57.209.142:8080", "160.16.143.191:8080", "175.126.176.79:8080", "202.134.4.210:7080", "103.126.216.86:443", "190.145.8.4:443", "128.199.242.164:8080", "64.227.55.231:8080"]}
                      Source: C:\Windows\System32\loaddll64.exeCode function: 0_2_00007FFC28919410 CryptStringToBinaryA,CryptStringToBinaryA,0_2_00007FFC28919410
                      Source: C:\Windows\System32\regsvr32.exeCode function: 3_2_00007FFC28919410 CryptStringToBinaryA,CryptStringToBinaryA,3_2_00007FFC28919410
                      Source: gdazhx1EIP.dllStatic PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT
                      Source: C:\Windows\System32\loaddll64.exeCode function: 0_2_00007FFC2890C334 FindFirstFileExW,0_2_00007FFC2890C334
                      Source: C:\Windows\System32\regsvr32.exeCode function: 3_2_00007FFC2890C334 FindFirstFileExW,3_2_00007FFC2890C334

                      Networking

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