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b2.exe

The executable b2.exe has been detected as malware by 1 anti-virus scanner. This is a setup program which is used to install the application. The file has been seen being downloaded from b2-31d2.kxcdn.com.
MD5:
8eaf8cb4e02b143d56bd7617864f59e7

SHA-1:
9b85504c2f21f2becd5b62f11a9ff73ad859a928

SHA-256:
482e52190568130b21e895b1b13b72805d8a0679b2c008b5d7a62b8aad1b9910

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/24/2024 6:58:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.3.23.16

File size:
4.5 MB (4,739,045 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\b2.exe

File PE Metadata
Compilation timestamp:
6/20/1992 3:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:Tw35ZVr/TvB8RsmcI+09ieFv/D2U+Q+eo6PGwS2M1l8dl9AAPHpx1:cpZVrrvB8+RIv9ig5ic/XD9AAPHp

Entry address:
0x80E4

Entry point:
55, 8B, EC, 83, C4, E0, 33, C0, 89, 45, E0, 89, 45, E8, 89, 45, E4, 89, 45, EC, B8, 54, 80, 40, 00, E8, 12, BE, FF, FF, 33, C0, 55, 68, 20, 82, 40, 00, 64, FF, 30, 64, 89, 20, B8, A8, 91, 40, 00, B9, 0B, 00, 00, 00, BA, 0B, 00, 00, 00, E8, 5C, EF, FF, FF, B8, B4, 91, 40, 00, B9, 09, 00, 00, 00, BA, 09, 00, 00, 00, E8, 48, EF, FF, FF, B8, C0, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, 34, EF, FF, FF, B8, DC, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, 20, EF, FF, FF, A1, 10, 92, 40...
 
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Developed / compiled with:
Microsoft Visual C++

Code size:
29 KB (29,696 bytes)

The file b2.exe has been seen being distributed by the following URL.

http://b2-31d2.kxcdn.com/B2.exe

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