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syslog_upgrade.exe

Link-Ist LLC

The application syslog_upgrade.exe by Link-Ist 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 scheduled task under the Windows Task Scheduler named syslog triggered by a time event. While running, it connects to the Internet address dns.set.error on port 80 using the HTTP protocol.
Publisher:
Link-Ist LLC  (signed and verified)

MD5:
3a5b40161a629752ceb622d63934ddfe

SHA-1:
db29171b34e64c890c9f82e9446029c2fc1be6be

SHA-256:
596dacb70f211cb42103d265aca1a1dcdd5a8d89c20ed3b7367f8af0d376ba9f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/24/2024 10:28:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Bundler (M)
17.3.6.14

File size:
801 KB (820,224 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\syslog\syslog_upgrade.exe

Digital Signature
Signed by:
Link-Ist LLC

Authority:
COMODO CA Limited

Valid from:
2/27/2017 4:00:00 AM

Valid to:
7/22/2017 3:59:59 AM

Subject:
CN="""Link-Ist"" LLC", O="""Link-Ist"" LLC", STREET=PLOShhAD'' ZEMLJaNOJ VAL, STREET=DOM 9, L=Moscow, S=Moscow, PostalCode=105064, C=RU

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
0086865CE205503F6C5C2A0DFDCD7C656B

File PE Metadata
Compilation timestamp:
3/2/2017 12:14:26 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x1772

Entry point:
55, 8B, EC, 6A, FF, 68, 60, B3, 41, 00, 68, D0, 3A, 40, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 58, 53, 56, 57, 89, 65, E8, FF, 15, C4, 40, 41, 00, 33, D2, 8A, D4, 89, 15, 24, DB, 4B, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 20, DB, 4B, 00, C1, E1, 08, 03, CA, 89, 0D, 1C, DB, 4B, 00, C1, E8, 10, A3, 18, DB, 4B, 00, 33, F6, 56, E8, CA, 21, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, B0, 00, 00, 00, 59, 89, 75, FC, E8, 0A, 20, 00, 00, FF, 15, C0, 40, 41, 00, A3, 64, F0, 4B, 00, E8...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
76 KB (77,824 bytes)

6 Scheduled Tasks
Task name:
syslog

Trigger:
Time (Runs daily at 4:36 PM)

Task name:
svshost

Path:
D:\WINDOWS\Tasks\svshost.job

Trigger:
Daily (Runs daily at 15:36)

Task name:
ScriptWriter

Trigger:
Time

Task name:
sysnet

Trigger:
Time

Task name:
FileSystemDriver

Trigger:
Time

Task name:
PowerMonitor

Trigger:
Time


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

TCP (HTTP):
Connects to dns.set.error  (185.14.29.162:80)

TCP (HTTP):
Connects to websafe.virginmedia.com  (62.254.123.86:80)

TCP (HTTP):
Connects to static.174.43.9.5.clients.your-server.de  (5.9.43.174:80)

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