ermac | 6cebba7466009834500c5ea3b66e54dac6d1d801d9f9a3b66da89c6c767e4fb1

Analysis

max time kernel
146s
max time network
152s
platform
android-11_x64
resource
android-x64-arm64-20240910-en
resource tags

arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
submitted
12-01-2025 22:06

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General

Target

6cebba7466009834500c5ea3b66e54dac6d1d801d9f9a3b66da89c6c767e4fb1.apk
Size

1.1MB
MD5

03a027c44f6c9462f7812fc8985e0958
SHA1

d5228e9ad32b25eb5a38da092795b29e227b47ba
SHA256

6cebba7466009834500c5ea3b66e54dac6d1d801d9f9a3b66da89c6c767e4fb1
SHA512

0fabe4fe95aaf0d1ec801dbc48ebf0ffe2db9e97b45a982b87d00b18426ae4079656ba08048260c5b61adca04bd27aeb67c5782f56fe86893d4381fffeba7f87
SSDEEP

24576:fOg/0I5Oe+BWVmQz+8bHh9y1SOwrW1OGtxLXU7UGVvV:fOg/8XBKoqB9y19Ft5X/YV

Score

10^/10

ermac banker collection credential_access discovery evasion impact infostealer persistence stealth trojan

Malware Config

Extracted

Family

ermac

http://45.132.181.170:3434

AES_key

Signatures

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

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

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4798	com.zukotacufuyoxu.sekafuge

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.zukotacufuyoxu.sekafuge
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.zukotacufuyoxu.sekafuge
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.zukotacufuyoxu.sekafuge

Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

collection credential_access impact

Clipboard Data

T1414

Transmitted Data Manipulation

T1641.001

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.zukotacufuyoxu.sekafuge

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

Security Software Discovery
T1418.001
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.zukotacufuyoxu.sekafuge

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.zukotacufuyoxu.sekafuge

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.zukotacufuyoxu.sekafuge
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.zukotacufuyoxu.sekafuge
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.zukotacufuyoxu.sekafuge
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.zukotacufuyoxu.sekafuge
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.zukotacufuyoxu.sekafuge

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.zukotacufuyoxu.sekafuge

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.zukotacufuyoxu.sekafuge

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.zukotacufuyoxu.sekafuge

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.zukotacufuyoxu.sekafuge

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.zukotacufuyoxu.sekafuge

com.zukotacufuyoxu.sekafuge
1⤵
- Removes its main activity from the application launcher
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- 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)
- Checks CPU information
- Checks memory information
PID:4798