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isr_lm.exe

Xin Zhou

The executable isr_lm.exe has been detected as malware by 1 anti-virus scanner.
Publisher:
Xin Zhou  (signed and verified)

MD5:
50d4bc8bd7833eb5303bc6f1655c1802

SHA-1:
b0392d8b68750cf1be39dd1d8cb62d5ab5f960a8

SHA-256:
4d07f27b88402185f022e0f991e56e995c23a24caeefa370ca9eecdb5f6da005

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
6/27/2025 3:46:19 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.28.4

File size:
421.7 KB (431,832 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
11/17/2016 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:
6FCED1F00CF94B4441BCEC9673DC734C

File PE Metadata
Compilation timestamp:
11/13/2016 9:06:38 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:QLB0F5Gmh4hwuI1y/PhsFBoFlnsI0YCBC5v67lUJO3/ue2RnrMQzne9+XR:QLBGGFI1yGFBknvXCvCO3/uxrVzy+B

Entry address:
0x7CC6

Entry point:
E8, 29, B8, FF, FF, E9, 99, 69, 00, 00, 55, 8B, EC, 8B, 4D, 0C, 8B, 55, 08, 56, 8B, 01, 8B, 71, 04, 03, C2, 85, F6, 78, 0D, 8B, 49, 08, 8B, 14, 16, 8B, 0C, 0A, 03, CE, 03, C1, 5E, 5D, C3, 55, 8B, EC, 51, A1, C0, 71, 46, 00, 83, F8, FE, 75, 0A, E8, 5A, 15, 00, 00, A1, C0, 71, 46, 00, 83, F8, FF, 75, 07, B8, FF, FF, 00, 00, EB, 1B, 6A, 00, 8D, 4D, FC, 51, 6A, 01, 8D, 4D, 08, 51, 50, FF, 15, 1C, F0, 45, 00, 85, C0, 74, E2, 66, 8B, 45, 08, 8B, E5, 5D, C3, 55, 8B, EC, 83, EC, 0C, 8B, 45, 08, 8D, 4D, F4, 89, 45...
 
[+]

Entropy:
7.8030  (probably packed)

Code size:
375 KB (384,000 bytes)

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