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yac.exe

The application yac.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 program which is used to install the application. The file has been seen being downloaded from 113.171.224.176 and multiple other hosts.
MD5:
7b2564054888ede6e507f40bc2c61113

SHA-1:
e1cc4b73fa934c9cdec3a0c46d05a297389a6b69

SHA-256:
bb7b77880e098522118fd18e45c0d2daa55755c76f965ab578e8e5b6af57a09a

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/27/2024 8:47:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex.YAC (M)
16.6.17.18

File size:
2.5 MB (2,633,314 bytes)

File type:
Executable application (Win64 EXE)

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

File PE Metadata
OS bitness:
Win64

CTPH (ssdeep):
49152:AJu1A37lMQ344UEWD6QI0n2DC/EmWcBRprpwplMReISF7awnesfVLZmu1B:AJu1ALlMGI2HhlmWEwpl+eGwne8B9

Entry point:
6D, 20, E6, F5, 7D, 46, 00, 5E, FB, 6E, CA, 83, 46, 74, 72, 00, 00, 00, 00, 00, 7C, 00, 00, 00, 00, 00, 00, 00, F8, 93, 73, BB, 5B, 85, E8, 6E, 68, 69, 1B, 1B, 6B, 6A, 63, 1C, 63, 18, 6F, 6E, 68, 69, 1B, 1B, 6B, 6A, 63, 1C, 63, 18, 6F, D3, 0A, 14, 1D, 57, 50, 40, 50, 00, 00, 00, 57, 13, 12, 1E, 08, 00, 00, 5B, 8A, 00, 00, 5B, 48, 52, 58, 00, 00, 00, 98, 45, 49, B2, 00, 00, 00, 43, 2E, 1F, 02, 2E, 09, 35, 3C, 2E, 2D, 3B, 28, 3F, 00, 1B, 3E, 35, 38, 3F, 7A, 13, 37, 3B, 3D, 3F, 08, 3F, 3B, 3E, 23, 2B, 93, 3F...
 
[+]

Entropy:
7.9999  (probably packed)

The file yac.exe has been seen being distributed by the following 4 URLs.

http://113.171.224.176/.../yac.exe

http://113.171.224.246/.../yac.exe

http://dl0105.puphelp.com/download/.../yac.exe

http://dl.yac.mx/download/.../yac.exe

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