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5big8txzt.exe

VANKY TECHNOLOGY LIMITED

The application 5big8txzt.exe by VANKY TECHNOLOGY LIMITED 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 dgkytklfjrqkb.cloudfront.net.
Publisher:
VANKY TECHNOLOGY LIMITED  (signed and verified)

MD5:
cb18f53ad93f4bea0309aa4c603bf19f

SHA-1:
37fda2ce0a7f18832a83d44e6cd672771a56ba25

SHA-256:
acb3cab1de5d009da4c1620dfb62154222f11c2b770aaeea3803ffb29c80e3fb

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
10/18/2025 1:08:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.YesSearches (M)
16.10.17.7

File size:
411.6 KB (421,480 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\5big8txzt.exe

Digital Signature
Signed by:
VANKY TECHNOLOGY LIMITED

Authority:
GlobalSign nv-sa

Valid from:
10/8/2016 9:37:58 AM

Valid to:
1/21/2017 1:41:53 PM

Subject:
CN=VANKY TECHNOLOGY LIMITED, O=VANKY TECHNOLOGY LIMITED, L=香港, S=香港, C=HK

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G3, O=GlobalSign nv-sa, C=BE

Serial number:
288A788D9587FE61A6C1C6D4

File PE Metadata
Compilation timestamp:
10/11/2016 9:36:53 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:kHzRjRGZS6jtr4uqjZLPHcSPxDxQqwwgz5jTm32UOEDU6zZMyNehOoWD:8zZRb6lqjZLPHh7TNqmDOECHNW

Entry address:
0x45B2

Entry point:
E8, 86, 11, 00, 00, E9, 64, 7C, 00, 00, 55, 8B, EC, 51, 51, 8B, 4D, 10, 8B, 45, 0E, DD, 45, 08, 0F, B7, C0, 8D, 89, FE, 03, 00, 00, 25, 0F, 80, 00, 00, C1, E1, 04, DD, 5D, F8, 0B, C8, 66, 89, 4D, FE, DD, 45, F8, 8B, E5, 5D, C3, 51, C7, 01, DC, D1, 45, 00, E8, CF, 05, 00, 00, 59, C3, 55, 8B, EC, 83, EC, 18, A1, 00, 40, 46, 00, 8D, 4D, E8, 83, 65, E8, 00, 33, C1, 8B, 4D, 08, 89, 45, F0, 8B, 45, 0C, 89, 45, F4, 8B, 45, 14, 40, C7, 45, EC, C7, EA, 40, 00, 89, 4D, F8, 89, 45, FC, 64, A1, 00, 00, 00, 00, 89, 45...
 
[+]

Code size:
361 KB (369,664 bytes)

The file 5big8txzt.exe has been seen being distributed by the following URL.

http://dgkytklfjrqkb.cloudfront.net/.../yomz.exe

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