b476.tmp

Beijing Caiyunshidai Technology Co., Ltd.

The file b476.tmp by Beijing Caiyunshidai Technology Co. has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address server-54-230-11-148.lhr3.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:

MD5:
d7a990f3838f86bd3b3eed16c5996127

SHA-1:
ddf9da189de7440e680c48360e35cec3808515ff

SHA-256:
71164277f393c3bb429591143f6013b4a675b160d3967ec69fd36a83d060e61c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/24/2024 4:01:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.ELEX.SpeedSearch (M)
17.2.11.11

File size:
399.6 KB (409,152 bytes)

Common path:
C:\users\{user}\appdata\local\temp\b476.tmp

Digital Signature
Authority:
thawte, Inc.

Valid from:
1/23/2017 7:00:00 AM

Valid to:
3/4/2017 6:59:59 AM

Subject:
CN="Beijing Caiyunshidai Technology Co., Ltd.", O="Beijing Caiyunshidai Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
011AE675B36A4BE7F940903CF54E8522

File PE Metadata
Compilation timestamp:
2/9/2017 5:53:37 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x8893

Entry point:
E8, 5F, FF, FF, FF, E9, C8, 32, 00, 00, 55, 8B, EC, 81, EC, FC, 01, 00, 00, A1, 00, 10, 46, 00, 33, C5, 89, 45, FC, 56, 8B, 75, 08, 57, 56, E8, 3F, 05, 00, 00, 8B, F8, 59, 85, FF, 0F, 84, 79, 01, 00, 00, 53, 6A, 03, E8, 18, FD, FF, FF, 59, 83, F8, 01, 0F, 84, 0F, 01, 00, 00, 6A, 03, E8, 07, FD, FF, FF, 59, 85, C0, 75, 0D, 83, 3D, 10, 26, 46, 00, 01, 0F, 84, F6, 00, 00, 00, 81, FE, FC, 00, 00, 00, 0F, 84, 41, 01, 00, 00, 68, 68, BC, 45, 00, 68, 14, 03, 00, 00, 68, 18, 26, 46, 00, E8, F5, C1, FF, FF, 83, C4...
 
[+]

Code size:
359.5 KB (368,128 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-230-11-213.lhr3.r.cloudfront.net  (54.230.11.213:80)

TCP (HTTP):
Connects to server-52-84-16-124.sea32.r.cloudfront.net  (52.84.16.124:80)

TCP (HTTP):
Connects to server-54-230-11-194.lhr3.r.cloudfront.net  (54.230.11.194:80)

TCP (HTTP):
Connects to server-54-230-11-148.lhr3.r.cloudfront.net  (54.230.11.148:80)

TCP (HTTP):
Connects to server-54-192-129-93.ams50.r.cloudfront.net  (54.192.129.93:80)

TCP (HTTP):
Connects to server-52-84-16-210.sea32.r.cloudfront.net  (52.84.16.210:80)

TCP (HTTP):
Connects to server-52-84-16-104.sea32.r.cloudfront.net  (52.84.16.104:80)

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