Analysis by: Xingqi Ding
 THREAT SUBTYPE:

Information Stealer

 PLATFORM:

Android

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Arrives via SMS messages.

This malware is related to the Eurograbber attacks that stole up to EU€36 million during December 2012. Eurograbber targeted banks that relied on SMS for user authentication for online transactions. It forwards all incoming SMS messages received on the phone to a C&C number. This may result in a breach of privacy for the user, and may cause their personal information and/or correspondence to be compromised.

To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

This Trojan arrives via SMS messages.

  TECHNICAL DETAILS

File Size: 172,720 bytes
File Type: APK
Memory Resident: Yes
Payload: Compromises system security

Arrival Details

This Trojan arrives via SMS messages that contain the following details:

In order to install the free encryption software on mobile,please use this link http://{BLOCKED}dversionfile.com/sicurezza.apk .

Backdoor Routine

This Trojan posts the following information to its command and control (C&C) server:

  • +{BLOCKED}36094

NOTES:

It forwards all incoming SMS messages to a C&C (Command and Control) number.

Note: The language the SMS message is written in depends on which country the recipient is residing at the time.

  SOLUTION

Minimum Scan Engine: 9.300
TMMS Pattern File: 1.327.00
TMMS Pattern Date: 09 Oct 2012

Step 1

Trend Micro Mobile Security Solution

Trend Micro Mobile Security Personal Edition protects Android smartphones and tablets from malicious and Trojanized applications. The App Scanner is free and detects malicious and Trojanized apps as they are downloaded, while SmartSurfing blocks malicious websites using your device's Android browser.

Download and install the Trend Micro Mobile Security App via Google Play.

Step 2

Remove unwanted apps on your Android mobile device

[ Learn More ]

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