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7jaagssa8.exe

Xin Zhou

The executable 7jaagssa8.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:
988628ca0e391241a53712d782dc7108

SHA-1:
32150dd47112623c56fc78b39870221c6d5cd1b6

SHA-256:
b4e57004a47f3a9037f52a42c4f7f835fb94b6c8da07a855f816d32e6f22fb53

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
6/21/2025 9:09:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.1.13

File size:
427.7 KB (437,976 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\7jaagssa8.exe

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
11/21/2016 5:30:00 AM

Valid to:
3/23/2017 5:29:59 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:
696F62AA5E54725E0D70304080E0E296

File PE Metadata
Compilation timestamp:
11/14/2016 1:31:50 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:sQ50CeFi35FaIGoF/ZJchhd33nYdREcnfcJt4KwycXFhRYfK0vv1Je:shipFa7oF/Khd3Xhcnfd3RGk

Entry address:
0x834C

Entry point:
E8, 7D, E1, FF, FF, E9, 63, 63, 00, 00, 55, 8B, EC, 56, 8B, 75, 08, 85, F6, 75, 09, 56, E8, 65, 7E, 00, 00, 59, EB, 2F, 56, E8, 79, 26, 00, 00, 59, 85, C0, 74, 05, 83, C8, FF, EB, 1F, F7, 46, 0C, 00, 40, 00, 00, 74, 14, 56, E8, 46, 0F, 00, 00, 50, E8, 62, B7, FF, FF, F7, D8, 59, 59, 1B, C0, EB, 02, 33, C0, 5E, 5D, C3, FF, 35, A4, 91, 46, 00, FF, 15, 5C, 00, 46, 00, C3, 55, 8B, EC, 51, 83, 65, FC, 00, 83, 7D, 0C, 01, 75, 0F, 8B, 4D, 08, 68, 98, 46, 46, 00, E8, C5, DC, FF, FF, EB, 0B, FF, 75, 0C, FF, 75, 08...
 
[+]

Entropy:
7.8022  (probably packed)

Code size:
379.5 KB (388,608 bytes)

The file 7jaagssa8.exe has been seen being distributed by the following URL.

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

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