TrojanSpy.Win32.EMOTET.YJCCH

This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

However, as of this writing, the said sites are inaccessible.

Arrival Details

This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan Spy drops the following copies of itself into the affected system:

• If executed with administrator rights:
  • %System%\{Random Characters}\{Random Characters}.{3 Random Characters}
• If executed without administrator rights:
  • %AppDataLocal%\{Random Characters}\{Random Characters}.{3 Random Characters}

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following processes:

• If executed with administrator rights:
  • %System%\regsvr32.exe /s "%System%\{Random Characters}\{Random Characters}.{3 Random Characters}"
• If executed without administrator rights:
  • %System%\regsvr32.exe /s "%AppDataLocal%\{Random Characters}\{Random Characters}.{3 Random Characters}"

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It creates the following folders:

• If executed with administrator rights:
  • %System%\{Random Characters}
• If executed without administrator rights:
  • %AppDataLocal%\{Random Characters}

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other Details

This Trojan Spy connects to the following possibly malicious URL:

• {BLOCKED}.{BLOCKED}.104.209:8080
• {BLOCKED}.{BLOCKED}.253.60:8080
• {BLOCKED}.{BLOCKED}.239.34:443
• {BLOCKED}.{BLOCKED}.56.116:7080
• {BLOCKED}.{BLOCKED}.115.99:8080
• {BLOCKED}.{BLOCKED}.201.4:443
• {BLOCKED}.{BLOCKED}.255.201:8080
• {BLOCKED}.{BLOCKED}.72.26:8080
• {BLOCKED}.{BLOCKED}.24.231:80
• {BLOCKED}.{BLOCKED}.117.186:8080
• {BLOCKED}.{BLOCKED}.140.238:7080
• {BLOCKED}.{BLOCKED}.40.196:8080
• {BLOCKED}.{BLOCKED}.152.127:8080
• {BLOCKED}.{BLOCKED}.222.11:443
• {BLOCKED}.{BLOCKED}.143.207:443
• {BLOCKED}.{BLOCKED}.42.236:80
• {BLOCKED}.{BLOCKED}.225.142:8080
• {BLOCKED}.{BLOCKED}.17.99:8080
• {BLOCKED}.{BLOCKED}.175.63:43
• {BLOCKED}.{BLOCKED}.98.206:8080
• {BLOCKED}.{BLOCKED}.106.96:8080
• {BLOCKED}.{BLOCKED}.135.203:7080
• {BLOCKED}.{BLOCKED}.98.99:8080
• {BLOCKED}.{BLOCKED}.85.85:80
• {BLOCKED}.{BLOCKED}.133.20:443
• {BLOCKED}.{BLOCKED}.188.93:443
• {BLOCKED}.{BLOCKED}.84.195:8080
• {BLOCKED}.{BLOCKED}.88.10:8080
• {BLOCKED}.{BLOCKED}.158.56:8080
• {BLOCKED}.{BLOCKED}.2.232:8080
• {BLOCKED}.{BLOCKED}.109.124:443
• {BLOCKED}.{BLOCKED}.236.90:443
• {BLOCKED}.{BLOCKED}.114.231:8080

However, as of this writing, the said sites are inaccessible.