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obs_setup.exe

The application obs_setup.exe 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 and installation application, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from d2xvc2nqkduarq.cloudfront.net.
MD5:
eed55164bd17f0e7c7a1f8f189e23b56

SHA-1:
2b5f4cb0f632ad749a128983b644c800c5e3e0a7

SHA-256:
1614f0c6068a2f2ac6bd5d93fe002d1ec2d1294b36ed3f3fc64484fae622afc3

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/25/2024 1:12:11 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.YuBao.Installer
16.4.14.0

File size:
1.4 MB (1,463,280 bytes)

File type:
Executable application (Win16 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\obs_setup.exe

File PE Metadata
Compilation timestamp:
4/5/2016 11:24:02 AM

OS version:
5.1

OS bitness:
Win16

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
24576:ItqOjB0rxSrQPop4a/LNHKB9SmNnhfP7rlKN8GZtbTHxnzmiZxUyupRWvQwpteFt:IQecyXp1tEwpt2we

Entry address:
0xB92A3

Entry point:
E8, E0, B3, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 68, 67, 56, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, E0, D9, 55, 00, 01, 0F, 82, FD, B8, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02...
 
[+]

Code size:
1.1 MB (1,114,624 bytes)

The file obs_setup.exe has been seen being distributed by the following URL.

http://d2xvc2nqkduarq.cloudfront.net/.../obs_setup.exe

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