Trojan.PS1.KIMSUKY.CLRYA

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

It does not have any propagation routine.

It does not have any backdoor routine.

It gathers certain information on the affected computer.

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

Arrival Details

This Trojan 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 drops the following files:

• %Application Data%\Microsoft\{IP Address}-{MMDD_HHmm}-0956_info.txt

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Rootkit Capabilities

This Trojan does not have rootkit capabilities.

Information Theft

This Trojan gathers the following information on the affected computer:

• IP Address
• OS Information
• Computer Name
• System Architecture
• System Type
• Last Boot Time
• Install Date

Other Details

This Trojan does the following:

• This Trojan Spy sends the gathered information via HTTP PUT to the following URL:
  • https://{BLOCKED}hub.com/repos/entire73/leedohun/contents/report/{IP Address}-{MMDD_HHmm}-0956_info.txt
• It enumerates running processes.
• It encodes collected system information as Base64 before exfiltration.
• It uses hardcoded GitHub API authentication token.
• It creates temporary file with naming pattern containing IP address and timestamp.
• It uses string concatenation to obfuscate URL construction.
• It employs junk variables to evade detection.

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

It does not exploit any vulnerability.