Analysis Overview
SHA256
31ee863aed7dcda18cf0f88faa562433fd60693507d086f5a87b01b27c883ca0
Threat Level: Known bad
The file 31ee863aed7dcda18cf0f88faa562433fd60693507d086f5a87b01b27c883ca0.bin was found to be: Known bad.
Malicious Activity Summary
Ermac
Ermac2 payload
Ermac family
Removes its main activity from the application launcher
Makes use of the framework's Accessibility service
Loads dropped Dex/Jar
Queries the phone number (MSISDN for GSM devices)
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Obtains sensitive information copied to the device clipboard
Makes use of the framework's foreground persistence service
Declares broadcast receivers with permission to handle system events
Declares services with permission to bind to the system
Acquires the wake lock
Queries the unique device ID (IMEI, MEID, IMSI)
Queries the mobile country code (MCC)
Attempts to obfuscate APK file format
Requests dangerous framework permissions
Performs UI accessibility actions on behalf of the user
Requests disabling of battery optimizations (often used to enable hiding in the background).
Uses Crypto APIs (Might try to encrypt user data)
Registers a broadcast receiver at runtime (usually for listening for system events)
Checks CPU information
Checks memory information
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-12-06 22:03
Signatures
Attempts to obfuscate APK file format
Declares broadcast receivers with permission to handle system events
| Description | Indicator | Process | Target |
| Required by device admin receivers to bind with the system. Allows apps to manage device administration features. | android.permission.BIND_DEVICE_ADMIN | N/A | N/A |
Declares services with permission to bind to the system
| Description | Indicator | Process | Target |
| Required by accessibility services to bind with the system. Allows apps to access accessibility features. | android.permission.BIND_ACCESSIBILITY_SERVICE | N/A | N/A |
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows an application to request installing packages. | android.permission.REQUEST_INSTALL_PACKAGES | N/A | N/A |
| Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. | android.permission.CALL_PHONE | N/A | N/A |
| Allows an application to receive SMS messages. | android.permission.RECEIVE_SMS | N/A | N/A |
| Allows an application to read SMS messages. | android.permission.READ_SMS | N/A | N/A |
| Allows an application to send SMS messages. | android.permission.SEND_SMS | N/A | N/A |
| Allows an application to read the user's contacts data. | android.permission.READ_CONTACTS | N/A | N/A |
| Allows access to the list of accounts in the Accounts Service. | android.permission.GET_ACCOUNTS | N/A | N/A |
| Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. | android.permission.READ_PHONE_STATE | N/A | N/A |
| Allows read access to the device's phone number(s). | android.permission.READ_PHONE_NUMBERS | N/A | N/A |
| Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. | android.permission.SYSTEM_ALERT_WINDOW | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-06 22:03
Reported
2024-12-06 22:06
Platform
android-x86-arm-20240624-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Ermac
Ermac family
Ermac2 payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Removes its main activity from the application launcher
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
| N/A | /data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
| N/A | /data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText | N/A | N/A |
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Queries the phone number (MSISDN for GSM devices)
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Makes use of the framework's foreground persistence service
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.setServiceForeground | N/A | N/A |
Performs UI accessibility actions on behalf of the user
| Description | Indicator | Process | Target |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | N/A | N/A |
Queries the unique device ID (IMEI, MEID, IMSI)
Requests disabling of battery optimizations (often used to enable hiding in the background).
| Description | Indicator | Process | Target |
| Intent action | android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS | N/A | N/A |
Registers a broadcast receiver at runtime (usually for listening for system events)
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.registerReceiver | N/A | N/A |
Uses Crypto APIs (Might try to encrypt user data)
| Description | Indicator | Process | Target |
| Framework API call | javax.crypto.Cipher.doFinal | N/A | N/A |
Checks CPU information
| Description | Indicator | Process | Target |
| File opened for read | /proc/cpuinfo | N/A | N/A |
Checks memory information
| Description | Indicator | Process | Target |
| File opened for read | /proc/meminfo | N/A | N/A |
Processes
com.Owhhejzhsk.apk
/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/oat/x86/classes-v1.odex --compiler-filter=quicken --class-loader-context=&
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 216.58.204.74:443 | tcp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| TM | 91.202.233.10:3434 | 91.202.233.10 | tcp |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.180.14:443 | android.apis.google.com | tcp |
Files
/data/data/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin
| MD5 | b1e00b79a8eef2bad76ce8c92f5d0bfd |
| SHA1 | 52ade098b14886f9c7b94b08f8c9b1d43a3e46a3 |
| SHA256 | 1649075d485d1b46259dce1640d31a7e5a50f0c06ba3e3765cfe265a01249d01 |
| SHA512 | 812112bf15222190a46e9a6807a91e19b8168c5b447607a9e9a5627db7ceb656f20e009616526f4326f36b83a247f4f1a998bd2fbd670c76b67df1bac47385c1 |
/data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin
| MD5 | 481c6e57e6223fba004dfbeae7f470f0 |
| SHA1 | 0326d3e689cbb0099a78213babfc0b9d9eb40781 |
| SHA256 | e71f3c8bfe30cbf34135202521be851b3824eedf34fbace6d67ec08444c8d6e0 |
| SHA512 | b748f609937cd3eac171a29d66ba16dad209cf08125c26923e210a62ee3042e9a5f2aa09881cdcb0c9b892e056369b878c6d9539126aaef5d907b6623c7215bc |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-06 22:03
Reported
2024-12-06 22:06
Platform
android-x64-20240624-en
Max time kernel
21s
Max time network
151s
Command Line
Signatures
Ermac
Ermac family
Ermac2 payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Removes its main activity from the application launcher
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
| N/A | /data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText | N/A | N/A |
Obtains sensitive information copied to the device clipboard
| Description | Indicator | Process | Target |
| Framework service call | android.content.IClipboard.addPrimaryClipChangedListener | N/A | N/A |
Queries the phone number (MSISDN for GSM devices)
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Makes use of the framework's foreground persistence service
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.setServiceForeground | N/A | N/A |
Performs UI accessibility actions on behalf of the user
| Description | Indicator | Process | Target |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | N/A | N/A |
Queries the unique device ID (IMEI, MEID, IMSI)
Registers a broadcast receiver at runtime (usually for listening for system events)
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.registerReceiver | N/A | N/A |
Uses Crypto APIs (Might try to encrypt user data)
| Description | Indicator | Process | Target |
| Framework API call | javax.crypto.Cipher.doFinal | N/A | N/A |
Checks CPU information
| Description | Indicator | Process | Target |
| File opened for read | /proc/cpuinfo | N/A | N/A |
Checks memory information
| Description | Indicator | Process | Target |
| File opened for read | /proc/meminfo | N/A | N/A |
Processes
com.Owhhejzhsk.apk
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 216.58.201.100:443 | tcp | |
| GB | 172.217.16.238:443 | tcp | |
| GB | 216.58.212.234:443 | tcp | |
| US | 1.1.1.1:53 | www.google.com | udp |
| GB | 172.217.169.4:443 | www.google.com | tcp |
| US | 1.1.1.1:53 | accounts.google.com | udp |
| US | 1.1.1.1:53 | accounts.google.com | udp |
| GB | 64.233.167.84:443 | accounts.google.com | tcp |
| TM | 91.202.233.10:3434 | 91.202.233.10 | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.180.8:443 | ssl.google-analytics.com | tcp |
| GB | 142.250.200.46:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | www.google.com | udp |
| GB | 142.250.187.196:443 | www.google.com | tcp |
| GB | 142.250.187.206:443 | tcp | |
| GB | 216.58.201.98:443 | tcp | |
| BE | 142.251.168.188:5228 | tcp | |
| US | 1.1.1.1:53 | g.tenor.com | udp |
| GB | 172.217.169.10:443 | g.tenor.com | tcp |
| TM | 91.202.233.10:3434 | 91.202.233.10 | tcp |
| TM | 91.202.233.10:3434 | 91.202.233.10 | tcp |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 216.58.204.78:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| GB | 216.58.204.78:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | www.youtube.com | udp |
| GB | 216.58.201.110:443 | www.youtube.com | udp |
| GB | 216.58.201.110:443 | www.youtube.com | tcp |
| US | 1.1.1.1:53 | www.google.com | udp |
| GB | 142.250.187.196:443 | www.google.com | udp |
| GB | 142.250.187.196:443 | www.google.com | tcp |
| GB | 142.250.187.196:443 | www.google.com | tcp |
| US | 1.1.1.1:53 | mdh-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | accounts.google.com | udp |
| US | 1.1.1.1:53 | accounts.google.com | udp |
| BE | 64.233.184.84:443 | accounts.google.com | tcp |
Files
/data/data/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin
| MD5 | b1e00b79a8eef2bad76ce8c92f5d0bfd |
| SHA1 | 52ade098b14886f9c7b94b08f8c9b1d43a3e46a3 |
| SHA256 | 1649075d485d1b46259dce1640d31a7e5a50f0c06ba3e3765cfe265a01249d01 |
| SHA512 | 812112bf15222190a46e9a6807a91e19b8168c5b447607a9e9a5627db7ceb656f20e009616526f4326f36b83a247f4f1a998bd2fbd670c76b67df1bac47385c1 |
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-06 22:03
Reported
2024-12-06 22:06
Platform
android-x64-arm64-20240624-en
Max time kernel
146s
Max time network
152s
Command Line
Signatures
Ermac
Ermac family
Ermac2 payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Removes its main activity from the application launcher
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
| N/A | /data/user/0/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText | N/A | N/A |
Obtains sensitive information copied to the device clipboard
| Description | Indicator | Process | Target |
| Framework service call | android.content.IClipboard.addPrimaryClipChangedListener | N/A | N/A |
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Queries the phone number (MSISDN for GSM devices)
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Makes use of the framework's foreground persistence service
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.setServiceForeground | N/A | N/A |
Performs UI accessibility actions on behalf of the user
| Description | Indicator | Process | Target |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | N/A | N/A |
Queries the unique device ID (IMEI, MEID, IMSI)
Requests disabling of battery optimizations (often used to enable hiding in the background).
| Description | Indicator | Process | Target |
| Intent action | android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS | N/A | N/A |
Uses Crypto APIs (Might try to encrypt user data)
| Description | Indicator | Process | Target |
| Framework API call | javax.crypto.Cipher.doFinal | N/A | N/A |
Checks CPU information
| Description | Indicator | Process | Target |
| File opened for read | /proc/cpuinfo | N/A | N/A |
Checks memory information
| Description | Indicator | Process | Target |
| File opened for read | /proc/meminfo | N/A | N/A |
Processes
com.Owhhejzhsk.apk
Network
| Country | Destination | Domain | Proto |
| GB | 142.250.187.238:443 | tcp | |
| GB | 142.250.187.238:443 | tcp | |
| GB | 142.250.187.238:443 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.178.14:443 | android.apis.google.com | tcp |
| TM | 91.202.233.10:3434 | 91.202.233.10 | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 216.58.201.104:443 | ssl.google-analytics.com | tcp |
| GB | 142.250.200.36:443 | tcp | |
| GB | 142.250.200.36:443 | tcp |
Files
/data/data/com.Owhhejzhsk.apk/app_apkprotector_dex/classes-v1.bin
| MD5 | b1e00b79a8eef2bad76ce8c92f5d0bfd |
| SHA1 | 52ade098b14886f9c7b94b08f8c9b1d43a3e46a3 |
| SHA256 | 1649075d485d1b46259dce1640d31a7e5a50f0c06ba3e3765cfe265a01249d01 |
| SHA512 | 812112bf15222190a46e9a6807a91e19b8168c5b447607a9e9a5627db7ceb656f20e009616526f4326f36b83a247f4f1a998bd2fbd670c76b67df1bac47385c1 |