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syslog_upgrade.exe

OOO

The application syslog_upgrade.exe by OOO has been detected as adware 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 daily at a specified time. While running, it connects to the Internet address static.174.43.9.5.clients.your-server.de on port 80 using the HTTP protocol.
Publisher:
OOO   (signed and verified)

MD5:
5256b5d3621af85aaf8cffcf3c8feca2

SHA-1:
c4069c068c5aef2e878d0d228264f962b4cb7be7

SHA-256:
c60c9a8a80f3f3198e6c171c93be414996ea831c9d3476285d77a61baaa6dd5c

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/29/2024 10:38:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.15.10

File size:
797 KB (816,120 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\Application data\syslog\syslog_upgrade.exe

Digital Signature
Signed by:
OOO

Subject:
CN="OOO ""KING REALTI""", O="OOO ""KING REALTI""", STREET="Lyusinovskaya Street, 72", L=Moscow, S=Moscow, PostalCode=115162, C=RU

Serial number:
18C5F13D0D9379C2F6D7B711F33AFE12

File PE Metadata
Compilation timestamp:
3/7/2017 8:29:15 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x1692

Entry point:
55, 8B, EC, 6A, FF, 68, 58, BD, 41, 00, 68, 24, 36, 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, C0, 40, 41, 00, 33, D2, 8A, D4, 89, 15, 84, C5, 4B, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 80, C5, 4B, 00, C1, E1, 08, 03, CA, 89, 0D, 7C, C5, 4B, 00, C1, E8, 10, A3, 78, C5, 4B, 00, 33, F6, 56, E8, FE, 1D, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, B0, 00, 00, 00, 59, 89, 75, FC, E8, 3E, 1C, 00, 00, FF, 15, BC, 40, 41, 00, A3, C4, DA, 4B, 00, E8...
 
[+]

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

Code size:
76 KB (77,824 bytes)

4 Scheduled Tasks
Task name:
syslog

Path:
C:\WINDOWS\Tasks\syslog.job

Trigger:
Daily (Runs daily at 13:45)

Task name:
PowerMonitor

Path:
C:\WINDOWS\Tasks\PowerMonitor.job

Trigger:
Daily (Runs daily at 11:44)

Task name:
etdctrl

Trigger:
Time

Task name:
ComDev

Trigger:
Time


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

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

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