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8gk3ojzcy.exe

Yu Bao

The executable 8gk3ojzcy.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 dgkytklfjrqkb.cloudfront.net.
Publisher:
Yu Bao  (signed and verified)

MD5:
63c810ef85e161d4fb33346402b96048

SHA-1:
3a069699a9e3c2d12f9c375cad38248aff5755f3

SHA-256:
d5fb19f35091182aa3a76bd376d0e7617d4002f20d55317125338a1e521fd132

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/1/2024 3:31:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.26.12

File size:
406.7 KB (416,472 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\8gk3ojzcy.exe

Digital Signature
Signed by:
Yu Bao

Authority:
thawte, Inc.

Valid from:
1/18/2017 5:30:00 AM

Valid to:
11/22/2017 5:29:59 AM

Subject:
CN=Yu Bao, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
7D87B098CA4A9DCED1577E3E87C33E31

File PE Metadata
Compilation timestamp:
1/18/2017 12:39:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0xA549

Entry point:
E8, E2, 6A, FF, FF, E9, 34, 1C, 00, 00, 55, 8B, EC, 56, 8B, 75, 08, 83, 3C, F5, C0, 32, 46, 00, 00, 75, 13, 56, E8, 4C, 76, FF, FF, 59, 85, C0, 75, 08, 6A, 11, E8, B1, DF, FF, FF, 59, FF, 34, F5, C0, 32, 46, 00, FF, 15, 84, C0, 45, 00, 5E, 5D, C3, 55, 8B, EC, 83, EC, 2C, A1, 00, 30, 46, 00, 33, C5, 89, 45, FC, 8B, 45, 08, 8D, 4D, E4, 53, 57, 8B, 7D, 0C, 6A, 16, 5B, 53, 51, 8D, 4D, D4, 51, FF, 70, 04, FF, 30, E8, 90, CA, FF, FF, 83, C4, 14, 85, FF, 75, 10, E8, F4, A1, FF, FF, 89, 18, E8, 66, 9A, FF, FF, 8B...
 
[+]

Entropy:
7.8106  (probably packed)

Code size:
363 KB (371,712 bytes)

The file 8gk3ojzcy.exe has been seen being distributed by the following URL.

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

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