tw9g4f1as.exe

Yu Bao

The executable tw9g4f1as.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:
549639c62c8dd33bc7872c2acd022844

SHA-1:
57063c93bcdfd2dadf2c5ea81b34ac52e6d07770

SHA-256:
c212bf05b1299c9b79845b2189bec14351144b4ce2436a8883e241a880ffd485

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/23/2024 11:00:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.10.31.7

File size:
412.7 KB (422,616 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\tw9g4f1as.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
10/18/2016 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:
54A170102461FDC967ACFAFE4BBBC7F0

File PE Metadata
Compilation timestamp:
10/25/2016 8:33:45 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:RutBFdjA30kp5SibideXwcUsrkXeX+877kSz:R0BHjA3pMeBwcUDeucpz

Entry address:
0x49C6

Entry point:
E8, BD, 22, 00, 00, E9, C5, 7B, 00, 00, E8, A9, F8, FF, FF, E8, 62, D9, FF, FF, 85, C0, 75, 08, E8, B0, D9, FF, FF, 33, C0, C3, 68, F4, 8A, 40, 00, E8, 67, E8, FF, FF, A3, E0, 47, 46, 00, 59, 83, F8, FF, 74, E3, 56, 68, BC, 03, 00, 00, 6A, 01, E8, 00, 1C, 00, 00, 8B, F0, 59, 59, 85, F6, 74, 2D, 56, FF, 35, E0, 47, 46, 00, E8, 25, 23, 00, 00, 59, 59, 85, C0, 74, 1B, 6A, 00, 56, E8, 8E, 5A, 00, 00, 59, 59, FF, 15, A0, C0, 45, 00, 83, 4E, 04, FF, 89, 06, 33, C0, 40, 5E, C3, E8, 51, D9, FF, FF, 33, C0, 5E, C3...
 
[+]

Entropy:
7.7737  (probably packed)

Code size:
361.5 KB (370,176 bytes)

The file tw9g4f1as.exe has been seen being distributed by the following URL.

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

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