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isr_jq.exe

Yuanyuan Zhang

The executable isr_jq.exe has been detected as malware by 1 anti-virus scanner. The file has been seen being downloaded from d3tufnia3qwp0y.cloudfront.net and multiple other hosts.
Publisher:
Yuanyuan Zhang  (signed and verified)

Version:
201605031051

MD5:
33d77579e129b8becfda59af0d4670b8

SHA-1:
4937f51b68591ede5780b69c17fc196cb718bef2

SHA-256:
39b30a2b268155dffb157c187d24c334eb18dc7aa49ee5c5ccdcf286ec9760af

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/24/2024 7:49:11 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
(M)
16.6.5.17

File size:
804 KB (823,288 bytes)

Product version:
201605031051

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
5/6/2016 5:30:00 AM

Valid to:
4/21/2017 5:29:59 AM

Subject:
CN=Yuanyuan Zhang, 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:
09BEC31CF4CF12DA06E41B4F52E30237

File PE Metadata
Compilation timestamp:
5/3/2016 8:34:26 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
24576:Zt9PYV/STTFyXfQIn2WhC4EPpJ0QfPgutM5S:ZoSTTFCI0AXboutk

Entry address:
0x46FF0

Entry point:
E8, 7C, B1, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 18, 9F, 4C, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, E0, 79, 4C, 00, 01, 0F, 82, 96, B6, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03...
 
[+]

Entropy:
6.6267

Code size:
611.5 KB (626,176 bytes)

The file isr_jq.exe has been seen being distributed by the following 10 URLs.

http://d3tufnia3qwp0y.cloudfront.net/.../nbyfr_su.exe

http://d2xvc2nqkduarq.cloudfront.net/.../nbyes_su.exe

http://d2xvc2nqkduarq.cloudfront.net/.../bzt_jq.exe

http://d2xvc2nqkduarq.cloudfront.net/.../nbybr_su.exe

http://d2xvc2nqkduarq.cloudfront.net/.../clc_jq.exe

http://d2xvc2nqkduarq.cloudfront.net/.../ftp_ht.exe

http://d3tufnia3qwp0y.cloudfront.net/.../nbybr_su.exe

http://d3tufnia3qwp0y.cloudfront.net/.../bzt_jq.exe

http://d2xvc2nqkduarq.cloudfront.net/.../isr_jq.exe

http://d2xvc2nqkduarq.cloudfront.net/.../wsy_ly.exe

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