ermac | 33cdbe122b9770036722663c25cf778b6480973d8acf03c5a926f1b8b4d27e03

Analysis

max time kernel
40s
max time network
158s
platform
android_x64
resource
android-x64-20240221-en
resource tags

androidarch:x64arch:x86image:android-x64-20240221-enlocale:en-usos:android-10-x64system
submitted
27-02-2024 22:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

33cdbe122b9770036722663c25cf778b6480973d8acf03c5a926f1b8b4d27e03.apk
Size

1.3MB
MD5

5086a26a597b08bcced09645ce779827
SHA1

48c041273dfad4e45fd39bc998190586c6fbb23b
SHA256

33cdbe122b9770036722663c25cf778b6480973d8acf03c5a926f1b8b4d27e03
SHA512

9213ef314d1b65f2751e4d78e63d8e3051654c55d10217453fc2123fc31f34f428bca6dd180ad49914a72a35fd27da7e301b735d32179a96867d0191589c02cf
SSDEEP

24576:aGTQvsnp/n891veoYJjrxBld7LMcnw6cmbDtz0uhuh1tzBozSkHdjDAg/OzfNNA:MCp/8912zJ/xBld7wcB3t/oDttDWAg/R

Score

10^/10

ermac banker collection discovery evasion infostealer stealth trojan

Malware Config

Extracted

Family

ermac

http://94.156.8.245:3434

AES_key

Signatures

Ermac
An Android banking trojan first seen in July 2021.
banker trojan infostealer ermac

Makes use of the framework's Accessibility service 2 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion

Input Injection

T1516

Screen Capture

T1513

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.wuxozeyoyokeva.fupuviro
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.wuxozeyoyokeva.fupuviro
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.wuxozeyoyokeva.fupuviro

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs 1 IoCs

banker discovery

Security Software Discovery

T1418.001

description	ioc	Process
Framework service call	android.content.pm.IPackageManager.getInstalledApplications	com.wuxozeyoyokeva.fupuviro

Removes its main activity from the application launcher 1 IoCs

stealth trojan

pid	Process
5097	com.wuxozeyoyokeva.fupuviro

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.wuxozeyoyokeva.fupuviro

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	ipinfo.io
9	ipinfo.io

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.wuxozeyoyokeva.fupuviro

com.wuxozeyoyokeva.fupuviro
1⤵
- Makes use of the framework's Accessibility service
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
- Removes its main activity from the application launcher
- Acquires the wake lock
- Uses Crypto APIs (Might try to encrypt user data)
PID:5097

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Input Injection

T1516

Credential Access

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Input Injection

T1516

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads