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8f71.tmp

Beijing Caiyunshidai Technology Co., Ltd.

The file 8f71.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-52-85-63-121.lhr50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Beijing Caiyunshidai Technology Co., Ltd.  (signed and verified)

MD5:
a8597673e2321a3fbffb668c4a700bbb

SHA-1:
f512dec095147fd2178c4b22644405cdfcb5fe57

SHA-256:
b78c85c1be864dd70cbff7b9752a06d8e1312fa6b55f5cc8023a054bf86eceaa

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/30/2024 7:51:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.ELEX.SpeedSearch (M)
17.1.26.23

File size:
411.2 KB (421,096 bytes)

Common path:
C:\windows\temp\8f71.tmp

Digital Signature
Signed by:
Beijing Caiyunshidai Technology Co., Ltd.

Authority:
thawte, Inc.

Valid from:
1/17/2017 5:00:00 PM

Valid to:
3/3/2017 4:59:59 PM

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:
35A3091866A7905AF1E3E625AD3C5875

File PE Metadata
Compilation timestamp:
1/18/2017 1:42:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x3C10

Entry point:
E8, 59, 3A, 00, 00, E9, C7, 93, 00, 00, B8, 88, 16, 46, 00, C3, 56, 57, FF, 15, 54, D0, 45, 00, FF, 35, 28, 45, 46, 00, 8B, F8, E8, 60, 68, 00, 00, 8B, F0, 59, 85, F6, 75, 47, 68, BC, 03, 00, 00, 6A, 01, E8, 19, 02, 00, 00, 8B, F0, 59, 59, 85, F6, 74, 33, 56, FF, 35, 28, 45, 46, 00, E8, 0E, F1, FF, FF, 59, 59, 85, C0, 74, 18, 6A, 00, 56, E8, 48, 5E, 00, 00, 59, 59, FF, 15, 88, D0, 45, 00, 83, 4E, 04, FF, 89, 06, EB, 09, 56, E8, A2, D6, FF, FF, 59, 33, F6, 57, FF, 15, 84, D0, 45, 00, 5F, 8B, C6, 5E, C3, 55...
 
[+]

Entropy:
7.7912  (probably packed)

Code size:
365.5 KB (374,272 bytes)

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

TCP (HTTP):
Connects to server-52-85-63-68.lhr50.r.cloudfront.net  (52.85.63.68:80)

TCP (HTTP):
Connects to server-52-85-63-218.lhr50.r.cloudfront.net  (52.85.63.218:80)

TCP (HTTP):
Connects to server-52-85-63-121.lhr50.r.cloudfront.net  (52.85.63.121:80)

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