ermac | dad17cab89c13ef2faf97bf721502c2bb58692f0320f7b906aa5d515e0a8e7f7

Analysis

max time kernel
179s
max time network
186s
platform
android_x86
resource
android-x86-arm-20240611.1-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240611.1-enlocale:en-usos:android-9-x86system
submitted
12/06/2024, 16:07

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General

Target

dad17cab89c13ef2faf97bf721502c2bb58692f0320f7b906aa5d515e0a8e7f7.apk
Size

2.4MB
MD5

3c4d34eee407c37c138992b99d9cf46c
SHA1

1ce0d29fe2b567ae6e944a6a5b398194dffbd745
SHA256

dad17cab89c13ef2faf97bf721502c2bb58692f0320f7b906aa5d515e0a8e7f7
SHA512

c3b687c58bb3055642e549108c88eb73e493abb5d4fe9852ba03ed4f793ee819a68a19acea58e060f71cff3841c4360148731d9e4bc0f0bbcf53c48feb16fafe
SSDEEP

49152:Z9XThVQI4rGfrUfaoDXaHuxQTBMaUxYuesGLUndu0gpkdVZg/KE:HXTkI4KfrUfaGQuxi2uuX0Ukkd9E

Score

10^/10

ermac banker collection credential_access discovery evasion impact infostealer persistence stealth trojan

Malware Config

Extracted

Family

ermac

https://portal.azure.com

AES_key

Signatures

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

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4172	com.getodufepore.yiduva

Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.getodufepore.yiduva
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.getodufepore.yiduva
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.getodufepore.yiduva

Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.getodufepore.yiduva

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.getodufepore.yiduva

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.getodufepore.yiduva
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.getodufepore.yiduva
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.getodufepore.yiduva
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.getodufepore.yiduva
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.getodufepore.yiduva

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.getodufepore.yiduva

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

System Network Configuration Discovery
T1422

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.getodufepore.yiduva

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

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.getodufepore.yiduva

com.getodufepore.yiduva
1⤵
- Removes its main activity from the application launcher
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
PID:4172