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cmmdwriter.exe

The application cmmdwriter.exe has been detected as a potentially unwanted program by 3 anti-malware 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 d2fpsq9kg43yka.cloudfront.net. While running, it connects to the Internet address a1plpkivs-v01.any.prod.ash1.secureserver.net on port 80 using the HTTP protocol.
MD5:
f19b6443edcc9fe84629a6ccab870d74

SHA-1:
0e2fd7c42ec34ff581efc63b089448515eb76bd4

SHA-256:
d9a754aab629c6c9afa24e30728d034b77057be20d04fb5b4dd23c24caa15836

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
12/27/2024 7:31:50 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.ClickMeIn.3875
9.0.1.0333

Kaspersky
UDS:DangerousObject.Multi.Generic
14.0.0.1221

Reason Heuristics
Adware.CMI (M)
16.2.19.17

File size:
43.9 KB (44,937 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\cmmdwriter.exe

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
768:94wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJonxSF/Cepaq+5LxOlAT:+LXB65939tY6HBg4sXJonEqSa+AT

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
6.9765

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://d2fpsq9kg43yka.cloudfront.net/cmmdWriter.exe

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

TCP (HTTP SSL):
Connects to ec2-52-21-83-56.compute-1.amazonaws.com  (52.21.83.56:443)

TCP (HTTP):
Connects to a72-247-10-35.deploy.akamaitechnologies.com  (72.247.10.35:80)

TCP (HTTP):
Connects to a1plpkivs-v03.any.prod.ash1.secureserver.net  (72.167.239.239:80)

TCP (HTTP):
Connects to a1plpkivs-v01.any.prod.ash1.secureserver.net  (72.167.239.237:80)

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