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clibutherarachlgsrv.html5

Ding Ruan

The file clibutherarachlgsrv.html5 by Ding Ruan has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a windows Service named “Clibutherarach Log”. While running, it connects to the Internet address server-54-230-187-32.cdg51.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Ding Ruan  (signed and verified)

MD5:
a32212aa4389ad1b405707048b8ad4e4

SHA-1:
3ea59f6f38a0558d26a20764e537fefcd453c23b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
7/31/2025 1:40:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.8.7.2

File size:
629.6 KB (644,760 bytes)

Common path:
C:\Program Files\clibutherarach\clibutherarachlgsrv.html5

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
7/26/2016 7:00:00 AM

Valid to:
4/14/2017 6:59:59 AM

Subject:
CN=Ding Ruan, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
7064C7E0633892FEC3CE2C65A87C2033

File PE Metadata
Compilation timestamp:
8/3/2016 1:58:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:YWhctPt2jvDHLzkGmubcnjYoh9wRr9ahkvpj/sr3799TsoRIcHDtgGY3O:5Ct2jvDHkbwahh9Y9aeNwL99TXXHDK9e

Entry address:
0x3DD4D

Entry point:
E8, 9B, 61, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 08, E1, 49, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, 70, 24, 49, 00, 01, 0F, 82, B2, 66, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA...
 
[+]

Entropy:
6.6227

Code size:
461 KB (472,064 bytes)

Service
Display name:
Clibutherarach Log

Service name:
ClibutherarachLgSrv

Description:
Collect all action of the Clibutherarach, log it for improve.

Type:
Win32OwnProcess, InteractiveProcess


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-230-187-32.cdg51.r.cloudfront.net  (54.230.187.32:80)

TCP (HTTP):
Connects to server-54-230-187-11.cdg51.r.cloudfront.net  (54.230.187.11:80)

TCP (HTTP):
Connects to server-54-230-216-121.mrs50.r.cloudfront.net  (54.230.216.121:80)

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