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isr_jq.exe

Yuanyuan Zhang

The executable isr_jq.exe has been detected as malware by 2 anti-virus scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from d3tufnia3qwp0y.cloudfront.net and multiple other hosts.
Publisher:
Yuanyuan Zhang  (signed and verified)

Version:
201605090953

MD5:
079b7396f8bff012e288fc3f0d569339

SHA-1:
68379e89530b29a528f465bd6d4793d3328bae48

SHA-256:
31a57cb7a79096f679f607c89b71b2f8a0d15d475c2ec2ad2154db19f8ee5282

Scanner detections:
2 / 68

Status:
Malware

Analysis date:
4/25/2024 1:57:21 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Obfuscated.NGC trojan
8.0.319.0

Reason Heuristics
(M)
16.6.5.17

File size:
807 KB (826,360 bytes)

Product version:
201605090953

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:
5/9/2016 7:00:00 AM

Valid to:
4/21/2017 6:59:59 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:
77E65AAD09DA01D7287FD0193D00F343

File PE Metadata
Compilation timestamp:
5/9/2016 9:32:08 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
24576:dtOfFhYzezlO2qiGlrZKIlmS7kywfGyyFw:dQt7lf9XfGx

Entry address:
0x47C60

Entry point:
E8, E9, 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, 28, AE, 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, 89, 4C, 00, 01, 0F, 82, 03, B7, 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...
 
[+]

Code size:
615 KB (629,760 bytes)

The file isr_jq.exe has been seen being distributed by the following 5 URLs.

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

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

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

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

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

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