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ocs_v71b.exe

OCS

The application ocs_v71b.exe has been detected as a potentially unwanted program by 3 anti-malware scanners. While running, it connects to the Internet address prxy2.thinklabs-cluster.de on port 443.
Publisher:
OCS

Product:
OCS

Version:
1.0.0.0

MD5:
07d32e786e2a9958f16eaea164d11b54

SHA-1:
31ce21fe36c11e107a6e315efe1875743809b4cc

SHA-256:
116c54e6fe6672491e2e99e13d5e9ca4e9c08927bcfe2d5a8ada639bdaad77d8

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 5:15:22 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.DownloadSponsor
4.0.3.14516

ESET NOD32
Win32/DownloadSponsor (variant)
8.9809

VIPRE Antivirus
DownloadSponsor
29270

File size:
311.5 KB (318,976 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © Project OCS

Original file name:
OCS.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\ocs_v71b.exe

File PE Metadata
Compilation timestamp:
5/14/2014 10:13:59 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:uQ1k9Qi2vdP6X1Q5fVKWi2eD6fAwdljT2n7lQxXswCyfuQOlEUca4t+NckSzeNBy:u25dP6X1Q5fVKWi2eD6fAwdljT2n7lQb

Entry address:
0x4BFCE

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, C7, 25, 73, 53, 00, 00, 00, 00, 02, 00, 00, 00, 1C, 01, 00, 00, 1C, C0, 04, 00, 1C, A4, 04, 00, 52, 53, 44, 53, 54, C7, F4, 6B, B5, A8, FA, 46, 97, 9B, D4, 71, 26, D0, 91, 40, 01, 00, 00, 00, 44, 3A, 5C, 53, 6F, 6C, 75, 74, 69, 6F, 6E, 73, 5C, 4F, 43, 53, 5C, 4F, 43, 53, 43, 6C, 69, 65, 6E, 74...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
296 KB (303,104 bytes)

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

TCP (HTTP SSL):
Connects to prxy1.thinklabs-cluster.de  (88.198.27.202:443)

TCP (HTTP SSL):
Connects to prxy2.thinklabs-cluster.de  (46.4.173.132:443)

TCP (HTTP):
Connects to www2.thinklabs-cluster.de  (46.4.173.131:80)

TCP (HTTP):
Connects to www1.thinklabs-cluster.de  (88.198.27.201:80)

TCP (HTTP):
Connects to openx-farm.l3muc-b.cxo.name  (212.162.62.38:80)

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