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yomz.exe

Xin Zhou

The executable yomz.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:
Xin Zhou  (signed and verified)

MD5:
c44641c768410e08d186e40a5c5aac8b

SHA-1:
34392daa060c562589e1be93b05071c322f74d88

SHA-256:
0e0cceebecb01f67bce6eefadcf046757ef96e08e176f96c21be437c0e770278

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/23/2024 3:53:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.3.9

File size:
416.7 KB (426,744 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
10/20/2016 6:30:00 AM

Valid to:
3/23/2017 6:29:59 AM

Subject:
CN=Xin Zhou, 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:
34EC9565805F34204C6966FB81E36BA1

File PE Metadata
Compilation timestamp:
10/30/2016 6:25:53 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:kskL1RtRG8lzpXKPDRdkQNKXy7/8shby06f5eVB4bfks6:gJVG6zpX0tdPB4x6

Entry address:
0x5F4F

Entry point:
E8, 37, F4, FF, FF, E9, 15, 73, 00, 00, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63, FC, FF, E0, 5B, 8B, E5, 5D, C2, 08, 00, 55, 8B, EC, 56, 8B, 75, 08, 85, F6, 0F, 84, EA, 00, 00, 00, 8B, 46, 0C, 3B, 05, E4, 4B, 46, 00, 74, 07, 50, E8, 57, E7, FF, FF, 59, 8B, 46, 10, 3B, 05, E8, 4B, 46, 00, 74, 07, 50, E8, 45, E7, FF, FF, 59, 8B, 46, 14, 3B, 05, EC, 4B, 46, 00, 74, 07, 50, E8, 33, E7, FF, FF...
 
[+]

Entropy:
7.7922  (probably packed)

Code size:
367.5 KB (376,320 bytes)

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

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

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