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yalddala.exe

The executable yalddala.exe has been detected as malware by 4 anti-virus scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from kfdown.oss-cn-hangzhou.aliyuncs.com.
MD5:
5f6bf5f0efb794591dddfa8bfa609cf6

SHA-1:
56526751e0a63382f632ede08ab0ba1e569d014f

SHA-256:
9304cafb3d6e71904baba7b9c3e31f1390998ebfab31473eb7d7ca55a0441daa

Scanner detections:
4 / 68

Status:
Malware

Analysis date:
1/14/2025 10:18:22 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
NSIS/TrojanDownloader.Chindo.AO trojan
8.0.319.0

Kaspersky
UDS:DangerousObject.Multi.Generic
14.0.0.210

McAfee
Trojan.Artemis!5F6BF5F0EFB7
18.0.204.0

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.4

File size:
216.6 KB (221,835 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\windows\temp\yalddala.exe

File PE Metadata
Compilation timestamp:
12/6/2009 5:53:13 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:N+8uyHOQXJoteqwKN+BCyxf7aJWO77j2NZDfcIRKpg34EZkSz9xYMANxO+xPj5T6:N8+wwK6xfGJR8ZDzEEqQrY9/FT6

Entry address:
0x352F

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B8, A7, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, 98, 63, 42, 00, E8, D6, 2E, 00, 00, A3, E4, 62, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 88, 0C, 42, 00, FF, 15, 58, 81, 40, 00, 68, AC, A7, 40, 00, 68, E0, 5A, 42, 00, E8, DC, 29, 00, 00, FF, 15, AC, 80, 40, 00, BF, 00, C0, 42, 00, 50, 57, E8, CA, 29, 00, 00...
 
[+]

Entropy:
7.7431

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file yalddala.exe has been seen being distributed by the following URL.

http://kfdown.oss-cn-hangzhou.aliyuncs.com/2.exe

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