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office_18@27366.exe

downer for windows

Riyue Tongxing Information Technology (Beijing) Co.,Ltd.

The application office_18@27366.exe by Riyue Tongxing Information Technology (Beijing) Co.,Ltd has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from www.onlinedown.net and multiple other hosts.
Publisher:
Riyue Tongxing Information Technology (Beijing) Co.,Ltd.  (signed and verified)

Product:
downer for windows

Version:
1.2.11.27

MD5:
d02f05c7ea14937e243adcf7c54b69fb

SHA-1:
f41513814a6b457e7578d476531bb12cc6ae6296

SHA-256:
a59531795868d9e881700b9cf7ca06d4d70af3124a8f0f85273820b7499ca4d1

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 9:50:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Gaofenquming (M)
16.10.13.15

File size:
2.6 MB (2,738,280 bytes)

Product version:
1.2.11.27

Copyright:
Riyue Tongxing Information Technology (Beijing) Co.,Ltd.

Original file name:
downer

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, China)

Digital Signature
Signed by:
Riyue Tongxing Information Technology (Beijing) Co.,Ltd.

Authority:
WoSign CA Limited

Valid from:
11/2/2015 12:48:13 AM

Valid to:
11/2/2016 1:48:13 AM

Subject:
CN="Riyue Tongxing Information Technology (Beijing) Co.,Ltd.", O="Riyue Tongxing Information Technology (Beijing) Co.,Ltd.", L=Beijing, S=Beijing, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
55950E596B6D1EB045BBED7DEE696932

File PE Metadata
Compilation timestamp:
11/26/2015 7:31:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:w4eI0PZcZAjH2YW4KIBLH0yq3f57g8TJYwNq7WtSDO+nS54IDxdC:WaAG4KIBL0XS89m7oSo5ndC

Entry address:
0x78D740

Entry point:
60, BE, 00, B0, 8F, 00, 8D, BE, 00, 60, B0, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75...
 
[+]

Entropy:
7.9087

Packer / compiler:
UPX 2.90LZMA

Code size:
2.6 MB (2,699,264 bytes)

The file office_18@27366.exe has been seen being distributed by the following 4 URLs.

http://www.onlinedown.net/.../index3.php?ver=1&name=????????? 7.8g ???&id=49946&token=5a66726f13453bbe12eb9422649beed7

http://www.onlinedown.net/.../index3.php?ver=1&name=?????2015 8.0.3.1 ?????&id=44034&token=ed09089a33a7e5f11e2c053aa4e2dcfb

http://www.onlinedown.net/.../index3.php?ver=1&name=Microsoft Office 2003 Service &id=27741&token=aa9719e253b568a1f0117d6d19d3e9ef

http://www.onlinedown.net/.../index3.php?ver=1&name=360???? 10.1.0.2033 ???&id=50671&token=04dfaca5063e980a9dc83ae77ad708f7

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