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calcsetup4.exe

Retro PC Calculator

Hong Kong Binary Software

The executable calcsetup4.exe, “Retro PC Calculator Setup ” has been detected as malware by 7 anti-virus scanners. 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 d1t653m828c3x8.cloudfront.net and multiple other hosts.
Publisher:
Hong Kong Binary Software

Product:
Retro PC Calculator

Description:
Retro PC Calculator Setup

MD5:
d06cbc801861ce7c0921db651b805a1c

SHA-1:
5c510db6fba2f409a50812231b8fb13a2736c279

SHA-256:
3931a568025ee2b5d3182c5e6c80eb07104930e38c97ef1e53376d4560e8e9ed

Scanner detections:
7 / 68

Status:
Malware

Analysis date:
5/3/2024 1:04:20 AM UTC  (today)

Scan engine
Detection
Engine version

Emsisoft Anti-Malware
Trojan.Generic.10391474
8.14.02.15.07

F-Prot
W32/NewMalware-LSU-based!Maximu
v6.4.7.1.166

Kaspersky
HEUR:Trojan-Downloader.Win32.Generic
14.0.0.4308

McAfee
Artemis!D06CBC801861
5600.7219

Sophos
Mal/Generic-S
4.97

Trend Micro House Call
TROJ_GEN.F47V0212
7.2.46

Vba32 AntiVirus
TScope.Trojan.Delf
3.12.24.3

File size:
710.9 KB (727,987 bytes)

Product version:
11

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\temp\calcsetup4.exe

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:CQiGwDCnFBiB8JYUySt0+T8QotoScl0xWWv1Z0diZ8l/VDOVLUnRmDslKhC2Iqjv:CQihDCiDFy/TUoScaWWvwiWlNDwLpos7

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...
 
[+]

Entropy:
7.9669  (probably packed)

Code size:
39.5 KB (40,448 bytes)

The file calcsetup4.exe has been seen being distributed by the following 2 URLs.

http://d1t653m828c3x8.cloudfront.net/bundles/.../CalcSetup4.exe

http://d3emsmln8xfj03.cloudfront.net/bundles/.../CalcSetup4.exe

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