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sunnyday.exe

The application sunnyday.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. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from dl.quiquou.eu and multiple other hosts.
MD5:
5dc08504ab51370ea07bb74f86d58bc8

SHA-1:
2092bb2a0df0e759736488cb17257790e7892e9c

SHA-256:
77dec954057741712ca416221c30de0f4f51de35edb1af1fbce87660befabbe0

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/11/2024 7:44:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Eorezo.Installer.Meta (M)
16.2.19.19

File size:
3.6 MB (3,826,823 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:4gYq8Ukrsy4IcnU5+vAit5gwPCJXzaJrmV6PYC:FYq8Ukd4ldt+cKXY60X

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
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Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file sunnyday.exe has been seen being distributed by the following 2 URLs.

http://dl.quiquou.eu/download/sunnyday/.../sunnyday.exe

http://dl.testmieu.eu/download/sunnyday/.../sunnyday.exe

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