browserupdater.bb4.exe

The executable browserupdater.bb4.exe has been detected as malware by 1 anti-virus scanner. While running, it connects to the Internet address server-52-85-77-52.lax3.r.cloudfront.net on port 80 using the HTTP protocol.
MD5:
8612d380d6852a3558688838251888a9

SHA-1:
8b49f4e5830f95040d44cf3c2d2e17adbc0e2cbe

SHA-256:
31f5b6bbcfe63738b4fae173b96056e21dd743ebbc69ab97b63911816db7f76b

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/28/2024 3:06:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Trojan.Dropper.CVB
17.3.9.7

File size:
2.4 MB (2,563,551 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\bb433kr4\{ddf1585e-65d8-4a44-9fb8-4a98b012c68e}\browserupdater.bb4.exe

File PE Metadata
Compilation timestamp:
3/1/2017 10:29:06 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x2562

Entry point:
E8, 89, 1C, 00, 00, E9, 7F, FE, FF, FF, 56, 6A, 04, 6A, 20, E8, 80, 23, 00, 00, 59, 59, 8B, F0, 56, FF, 15, 88, A0, 40, 00, A3, 40, 2E, 41, 00, A3, 3C, 2E, 41, 00, 85, F6, 75, 05, 6A, 18, 58, 5E, C3, 83, 26, 00, 33, C0, 5E, C3, 6A, 0C, 68, 20, E7, 40, 00, E8, 29, 21, 00, 00, E8, AC, 12, 00, 00, 83, 65, FC, 00, FF, 75, 08, E8, 23, 00, 00, 00, 59, 8B, F0, 89, 75, E4, C7, 45, FC, FE, FF, FF, FF, E8, 0B, 00, 00, 00, 8B, C6, E8, 44, 21, 00, 00, C3, 8B, 75, E4, E8, 87, 12, 00, 00, C3, 55, 8B, EC, 51, 53, 56, 8B...
 
[+]

Entropy:
7.9468  (probably packed)

Code size:
36 KB (36,864 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to server-52-85-77-52.lax3.r.cloudfront.net  (52.85.77.52:80)

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