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sysnet_upgrade.exe

SKAYVANDER-SOFT

The application sysnet_upgrade.exe by SKAYVANDER-SOFT 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 sysnet triggered by a time event.
Publisher:
SKAYVANDER-SOFT  (signed and verified)

MD5:
bb15e562b20732148b7781c14375a78e

SHA-1:
0b1f0ceeb246acef6515eb28d5ed3b2c78b282a8

SHA-256:
d362090f2086cf4b77db633f32db4801478d56472ac7755fcc01f26aabda6378

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/27/2024 2:35:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Bundler (M)
17.2.17.7

File size:
861 KB (881,688 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\sysnet\sysnet_upgrade.exe

Digital Signature
Signed by:
SKAYVANDER-SOFT

Authority:
COMODO CA Limited

Valid from:
1/27/2017 4:00:00 AM

Valid to:
2/19/2017 3:59:59 AM

Subject:
CN=SKAYVANDER-SOFT, O=SKAYVANDER-SOFT, STREET="Mill St., 91,Office 166", L=Omskaya oblast, S=Omsk, PostalCode=644036, C=RU

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

Serial number:
2C0C44B145279E1ECCA49F05093AFEB6

File PE Metadata
Compilation timestamp:
2/16/2017 1:53:36 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x15CA

Entry point:
55, 8B, EC, 6A, FF, 68, D8, DB, 40, 00, 68, 3C, 2D, 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, 74, 90, 40, 00, 33, D2, 8A, D4, 89, 15, 40, 28, 4C, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 3C, 28, 4C, 00, C1, E1, 08, 03, CA, 89, 0D, 38, 28, 4C, 00, C1, E8, 10, A3, 34, 28, 4C, 00, 33, F6, 56, E8, DC, 15, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, B0, 00, 00, 00, 59, 89, 75, FC, E8, 1C, 14, 00, 00, FF, 15, 70, 90, 40, 00, A3, 74, 2D, 4C, 00, E8...
 
[+]

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

Code size:
32 KB (32,768 bytes)

7 Scheduled Tasks
Task name:
sysnet

Trigger:
Time

Task name:
syslog

Trigger:
Time

Task name:
ScriptWriter

Trigger:
Time

Task name:
FileSystemDriver

Trigger:
Time

Task name:
PowerMonitor

Trigger:
Time

Task name:
svshost

Trigger:
Time


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

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

TCP (HTTP):
Connects to sharing.katcryo.com  (185.20.186.51:80)

TCP (HTTP):
Connects to ec2-52-210-51-8.eu-west-1.compute.amazonaws.com  (52.210.51.8:80)

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