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damu_ay.exe

Yu Bao

The executable damu_ay.exe has been detected as malware by 1 anti-virus scanner. While running, it connects to the Internet address server-52-84-33-189.ewr50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Yu Bao  (signed and verified)

MD5:
7c377f52bbb0fe3da04e456e97e91a70

SHA-1:
76b4ab653db3c8d7b5c479c2f01f5d44820a2e82

SHA-256:
8db248eec41ef0f80bf6c84dd610f022a74a447e37fde0beb34a5a15b987c051

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/14/2024 8:38:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.31.8

File size:
421 KB (431,080 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Yu Bao

Authority:
thawte, Inc.

Valid from:
1/19/2017 10:00:00 PM

Valid to:
11/21/2017 9:59:59 PM

Subject:
CN=Yu Bao, 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:
1B91409A2609FADE5743892AFBF7E3B5

File PE Metadata
Compilation timestamp:
1/19/2017 2:22:58 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x7F4F

Entry point:
E8, A8, B6, FF, FF, E9, 93, 41, 00, 00, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 1C, 7D, 46, 00, FF, 15, 7C, F0, 45, 00, 85, C0, 75, 18, 56, E8, 76, 26, 00, 00, 8B, F0, FF, 15, 44, F0, 45, 00, 50, E8, D0, 98, FF, FF, 59, 89, 06, 5E, 5D, C3, A1, 04, D8, 46, 00, 56, 6A, 14, 5E, 85, C0, 75, 07, B8, 00, 02, 00, 00, EB, 06, 3B, C6, 7D, 07, 8B, C6, A3, 04, D8, 46, 00, 6A, 04, 50, E8, 15, AC, FF, FF, A3, 00, D8, 46, 00, 59, 59, 85, C0, 75, 1E, 6A, 04, 56, 89, 35, 04, D8, 46, 00, E8, FC, AB...
 
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Code size:
375 KB (384,000 bytes)

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

TCP (HTTP):
Connects to server-52-84-33-242.ewr50.r.cloudfront.net  (52.84.33.242:80)

TCP (HTTP):
Connects to server-52-84-33-231.ewr50.r.cloudfront.net  (52.84.33.231:80)

TCP (HTTP):
Connects to server-52-84-33-189.ewr50.r.cloudfront.net  (52.84.33.189:80)

TCP (HTTP):
Connects to server-52-84-33-161.ewr50.r.cloudfront.net  (52.84.33.161:80)

TCP (HTTP):
Connects to server-52-84-33-141.ewr50.r.cloudfront.net  (52.84.33.141:80)

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