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ch.exe

The executable ch.exe has been detected as malware by 7 anti-virus scanners. This is a setup program which is used to install the application. It runs as a scheduled task under the Windows Task Scheduler named Skype triggered by a time event. The file has been seen being downloaded from mega.nz and multiple other hosts.
MD5:
7ce6c932ad9c4a9a69351e1534e039c5

SHA-1:
b16056b2f568a3a1cb7a3ffe3184687813e72472

SHA-256:
7461caae6b0f2f920553a82bc19436dd608c0e9415f8763f55473642bb7c4b06

Scanner detections:
7 / 68

Status:
Malware

Analysis date:
12/27/2024 7:00:57 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160414-2

AVG
Win32/Hedo
2015.0.4568

Dr.Web
Trojan.DownLoader18.40157
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.MSILPerseus.14621
11.5.0.6191

ESET NOD32
MSIL/Bladabindi.AS trojan
8.0.319.0

Microsoft Security Essentials
Threat.Undefined
1.221.795.0

Norman
Generic.MSIL.Bladabindi.D2D6E5CD
19.05.2016 05:17:13

File size:
1024 KB (1,048,576 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\ch.exe

File PE Metadata
Compilation timestamp:
5/23/2016 1:23:05 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:yCT98GujvHPJQikEZD8/q/fSNRPx9ywoHkGIa/TzeZ5B5SQEa2DK1IqOb0YAh5:yG98GGHPJbpZMMqNLY/kWWsKob0Yw

Entry address:
0x7A3E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
23 KB (23,552 bytes)

Scheduled Task
Task name:
Skype

Trigger:
Time


The file ch.exe has been seen being distributed by the following 2 URLs.

https://mega.nz/temporary/.../1wEjVawa

http://dc605.4shared.com/download/.../Download_do_Arquivo.exe

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