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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:
029d37ab9ede727f6e356cb4b3c4edfa

SHA-1:
31ee61bc12fd9730b28922aeb5882eb9b9c7125c

SHA-256:
3ab2b4d990acc6e3e4cf6d416d0bde683284343463cf90e91f0fec053ec958a8

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 10:37:07 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.15.3

File size:
793 KB (812,024 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 8:28:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x1682

Entry point:
55, 8B, EC, 6A, FF, 68, D8, 7A, 41, 00, 68, 14, 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, 30, 41, 00, 33, D2, 8A, D4, 89, 15, 34, B9, 4B, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 30, B9, 4B, 00, C1, E1, 08, 03, CA, 89, 0D, 2C, B9, 4B, 00, C1, E8, 10, A3, 28, B9, 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, 30, 41, 00, A3, 64, CE, 4B, 00, E8...
 
[+]

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

Code size:
72 KB (73,728 bytes)

Scheduled Task
Task name:
syslog

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

Trigger:
Daily (Runs daily at 6:58)


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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