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m99smm1rs.exe

Xin Zhou

The executable m99smm1rs.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:
1b3a5e8208b90445d8ae3ba0d3cdd1bb

SHA-1:
b38167440eb2530d60e7d962b7f67afde310838f

SHA-256:
bf2e1773633dd663d719a3567738ba8a33ccf7842b7db1046a3e7781c78c9387

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/23/2024 4:37:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.24.10

File size:
402.5 KB (412,208 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\m99smm1rs.exe

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
12/16/2016 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:
35D1EE4E830E9AD6F6434327DEEF72FB

File PE Metadata
Compilation timestamp:
12/12/2016 4:34:29 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x5DB1

Entry point:
E8, 2D, D0, FF, FF, E9, 88, 5A, 00, 00, 55, 8B, EC, E8, 40, 4C, 00, 00, 83, 7D, 08, 00, 74, 05, E8, C5, D7, FF, FF, DB, E2, 5D, C3, 55, 8B, EC, E8, 81, E8, FF, FF, FF, 75, 08, E8, F7, 4E, 00, 00, 59, 68, FF, 00, 00, 00, E8, 15, 4D, 00, 00, CC, 53, 8B, DC, 51, 51, 83, E4, F0, 83, C4, 04, 55, 8B, 6B, 04, 89, 6C, 24, 04, 8B, EC, 81, EC, 88, 00, 00, 00, A1, 00, 30, 46, 00, 33, C5, 89, 45, FC, 8B, 43, 10, 56, 8B, 73, 0C, 57, 0F, B7, 08, 89, 8D, 7C, FF, FF, FF, 8B, 06, 48, 74, 2B, 48, 74, 24, 48, 74, 1D, 48, 74...
 
[+]

Entropy:
7.8140  (probably packed)

Code size:
360.5 KB (369,152 bytes)

The file m99smm1rs.exe has been seen being distributed by the following URL.

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

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