Analysis Overview
SHA256
8a91726e39e1d990e5d4d9368cb66afced71f5b078ebac71149ed1943d631327
Threat Level: Known bad
The file 74c96a71cd95e6fab924deb1ddb0a498.bin was found to be: Known bad.
Malicious Activity Summary
Ermac family
Ermac2 payload
Prevents application removal
Makes use of the framework's Accessibility service
Registers a broadcast receiver at runtime (usually for listening for system events)
Queries information about the current Wi-Fi connection
Makes use of the framework's foreground persistence service
Queries the mobile country code (MCC)
Loads dropped Dex/Jar
Queries the phone number (MSISDN for GSM devices)
Reads information about phone network operator.
Acquires the wake lock
Declares broadcast receivers with permission to handle system events
Schedules tasks to execute at a specified time
Declares services with permission to bind to the system
Requests dangerous framework permissions
Uses Crypto APIs (Might try to encrypt user data)
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-05-03 01:21
Signatures
Ermac family
Ermac2 payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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 notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. | android.permission.BIND_NOTIFICATION_LISTENER_SERVICE | N/A | N/A |
| 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 |
| Required to be able to access the camera device. | android.permission.CAMERA | N/A | N/A |
| Allows an application to write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an application to read from external storage. | android.permission.READ_EXTERNAL_STORAGE | 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 receive SMS messages. | android.permission.RECEIVE_SMS | 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 application to read the user's call log. | android.permission.READ_CALL_LOG | 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 app to access approximate location. | android.permission.ACCESS_COARSE_LOCATION | N/A | N/A |
| Allows an application to read the user's contacts data. | android.permission.READ_CONTACTS | N/A | N/A |
| Allows an application to write the user's contacts data. | android.permission.WRITE_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 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
2024-05-03 01:21
Reported
2024-05-03 01:23
Platform
android-x86-arm-20240221-en
Max time kernel
5s
Max time network
144s
Command Line
Signatures
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | 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 |
Processes
com.zejapizehiyuki.yijoro
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 172.217.16.238:443 | android.apis.google.com | tcp |
Files
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-journal
| MD5 | c31c0ee341d52d0ea750000907bbe35e |
| SHA1 | c6a853f9d15320feb18916287dcbfbbd297d8c04 |
| SHA256 | d2e70d69ee5ead6c2c6a716eabca5a3cd398ccc6a1556972e114d099bb3ab999 |
| SHA512 | 93bda64645feab5c646ff2599dd363c5bfdbd5f08a732510129acbab078a9e800fd5b2cdf79396b1a0b96693673f34cb746f642ffc0a75658851aa5bf5e71736 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb
| MD5 | f2b4b0190b9f384ca885f0c8c9b14700 |
| SHA1 | 934ff2646757b5b6e7f20f6a0aa76c7f995d9361 |
| SHA256 | 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514 |
| SHA512 | ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-shm
| MD5 | cf845a781c107ec1346e849c9dd1b7e8 |
| SHA1 | b44ccc7f7d519352422e59ee8b0bdbac881768a7 |
| SHA256 | 18619b678a5c207a971a0aa931604f48162e307c57ecdec450d5f095fe9f32c7 |
| SHA512 | 4802861ea06dc7fb85229a3c8f04e707a084f1ba516510c6f269821b33c8ee4ebf495258fe5bee4850668a5aac1a45f0edf51580da13b7ee160a29d067c67612 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | a1bae6258228c3f24e72c0bbeb2dae43 |
| SHA1 | 0b8f4b29edbbcb40102bd37ef1d06105d8be1371 |
| SHA256 | 25b7b40ccfe8b882dba0607084209c17a1f5965c79e014704fae87328c2cffc1 |
| SHA512 | 3dbe15beb691e56d14b017b679dde97068d47117e87dd9cd67920b6123c00dc1928a42a54adc9f14d37508241b28e716f8956422a1ada3771587496b4cce7dc2 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | 7358151a22f27c3eedfb448534ab0816 |
| SHA1 | 618eb1c1b238de5f55846104976f8e28af60119d |
| SHA256 | d34f7fa1a76a106ed20afb2ad0655d43f412e08ecee45f6fb5e5b4ff10744a57 |
| SHA512 | 3ecadf6bc7f47a605990c75930506fcafed5e2b32f82935f0d048ad7ceb64c120e2f340bd0d8d90a74978d05257f8727403ff09ba09a96ce9f09a989b535ac78 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | f32583b11752a120671ab1415c5dc4e7 |
| SHA1 | ff4bf3b8276ee482376b1fcd0523f5cdc00ab71a |
| SHA256 | 297090d84cc4ab709b572bf864c3938dc990566fb562c37be21a30fd20472a08 |
| SHA512 | 28eef9c21b90437f1be2e71189cf5c4f6cc0b0c9088b2bef0311c3f90a4012a4f67a33b69961b17c1f8b6da0a9ebcae009639387591b6d4c38e76203a77ea213 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-03 01:21
Reported
2024-05-03 01:23
Platform
android-x64-20240221-en
Max time kernel
32s
Max time network
157s
Command Line
Signatures
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.findAccessibilityNodeInfosByText | N/A | N/A |
Prevents application removal
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | 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 |
Queries information about the current Wi-Fi connection
| Description | Indicator | Process | Target |
| Framework service call | android.net.wifi.IWifiManager.getConnectionInfo | 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 phone number (MSISDN for GSM devices)
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 |
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Reads information about phone network operator.
Schedules tasks to execute at a specified time
| Description | Indicator | Process | Target |
| Framework service call | android.app.job.IJobScheduler.schedule | 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 |
Processes
com.zejapizehiyuki.yijoro
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 142.250.178.8:443 | ssl.google-analytics.com | tcp |
| US | 1.1.1.1:53 | null | udp |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.187.206:443 | android.apis.google.com | tcp |
| GB | 142.250.187.196:443 | tcp | |
| GB | 142.250.187.196:443 | tcp | |
| GB | 216.58.204.66:443 | tcp | |
| GB | 142.250.180.14:443 | tcp |
Files
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-journal
| MD5 | 3c385cecfd460b94f231fc5ebc1e57b4 |
| SHA1 | 276a2b6005c30c88250930e519c01830558c77fb |
| SHA256 | 012d020322f5ffdeb400e863d3b451f4de81f65a611af1313ca33cc821229fa1 |
| SHA512 | f730889f5822a2d4922e1a4e2ef23b8c9afe37808c782bdb8e4c3173af582bf23441c391271392ff403d520ddc1ac86bc2e1da88d2e234fa732c83943569a57e |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb
| MD5 | f2b4b0190b9f384ca885f0c8c9b14700 |
| SHA1 | 934ff2646757b5b6e7f20f6a0aa76c7f995d9361 |
| SHA256 | 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514 |
| SHA512 | ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-shm
| MD5 | bb7df04e1b0a2570657527a7e108ae23 |
| SHA1 | 5188431849b4613152fd7bdba6a3ff0a4fd6424b |
| SHA256 | c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479 |
| SHA512 | 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | a48e2d7efad8f56af2ba9ed6ac5bf8e5 |
| SHA1 | 009c1f6de76a7ec23b54185ea7bae284abd3b07b |
| SHA256 | ad34aa775dec49859a30197733a09450a2669b8e338805d16b3b0090d6bc1d25 |
| SHA512 | 17fff19daa1df4a1cdb1a42fa7040a65b0eadea2036d828d7940de723fa79a5bc75ddb7e03d9e18f9bee4487b5efde97009e27aef77adba9b23f3a5048120c19 |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | dcd30537e6c2d489b03098d52cbdfb75 |
| SHA1 | 2a74a2efbe50ba4465d5616da95005a3606dd5ba |
| SHA256 | aa1fa8d970e4f45b4a6bf25976d02490d57c324579413ec6783608cb43cafeb6 |
| SHA512 | 7a598018a35559cd4859e41ae7aba00acb858e6a83d8237849fc57f7715da4e69dd43db8159fd4ccd2fcad99acff1b385c059d3948ed88b74099675c57eadd6c |
/data/data/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | 1aa2556422b93a0ea8dcc94910eb77ea |
| SHA1 | 2bd49f764e9105957f2d12f319c5fca744a016e0 |
| SHA256 | c6b61c62eb9724c7e2158ae30a1bf687605ed1ba3e70010f64eb6a8168670c44 |
| SHA512 | e0c9fa5a86cad0f9dae3ab89a4b0f489ec690c0f27794f0521b9a68569dff001315bd8bb8deed8a878de1555bb42937cc6cd89881f9268c36aaee0f4f3339ab9 |
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-03 01:21
Reported
2024-05-03 01:23
Platform
android-x64-arm64-20240221-en
Max time kernel
4s
Max time network
150s
Command Line
Signatures
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /system_ext/framework/androidx.window.sidecar.jar | N/A | N/A |
| N/A | /system_ext/framework/androidx.window.sidecar.jar | 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 |
Processes
com.zejapizehiyuki.yijoro
Network
| Country | Destination | Domain | Proto |
| GB | 142.250.180.14:443 | tcp | |
| GB | 142.250.180.14:443 | tcp | |
| GB | 142.250.180.14:443 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 216.58.213.10:443 | udp | |
| GB | 142.250.200.46:443 | udp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 172.217.16.238:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 142.250.178.8:443 | ssl.google-analytics.com | tcp |
| GB | 216.58.201.100:443 | tcp | |
| GB | 216.58.201.100:443 | tcp |
Files
/system_ext/framework/androidx.window.sidecar.jar
| MD5 | bdf3529e80318eb14e53a5bf3720c10d |
| SHA1 | 25c9ace4b1af6e80ebb2572345972c56505969ba |
| SHA256 | bbc8300dd1e9cd08de8f66560c1ac2c928615b72b51cef9649f88974f586d64b |
| SHA512 | 48b9c2d01171bb651b9b54826baa51f4add48431a3efd8ceb5f7cc3bcd6f8f37edf47fabb24349dd15b3a02329cd450f90a8d164bf4f8dfae554bf3b35a8a55b |
/data/user/0/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-journal
| MD5 | 6e93dbb04626f1d56260166ce37bd8a7 |
| SHA1 | 11c9f7edf8ef7b8012eda38945ccb62f14c27ec3 |
| SHA256 | 3fb23e4c1ba1515591363aec948f66eef9da0583a6ecfe62d6869c32ea3eb95f |
| SHA512 | 3913dad99da2bf7ea5d1039964397ba79bdf8c6da13021c1495412440033c554c674bbcf253e8212cc5794c37758d9cfe30f96714843c260b25aa4224ba05736 |
/data/user/0/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb
| MD5 | 7e858c4054eb00fcddc653a04e5cd1c6 |
| SHA1 | 2e056bf31a8d78df136f02a62afeeca77f4faccf |
| SHA256 | 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad |
| SHA512 | d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb |
/data/user/0/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-shm
| MD5 | bb7df04e1b0a2570657527a7e108ae23 |
| SHA1 | 5188431849b4613152fd7bdba6a3ff0a4fd6424b |
| SHA256 | c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479 |
| SHA512 | 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012 |
/data/user/0/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | b47b8dba20598259e5c38dee2384f898 |
| SHA1 | 3b61528b9878e0a1fd06eaadb6f60958d87cf916 |
| SHA256 | f3d2b109aaa8097af1e392f87ef0369460680be2bde059ecd3ddf5a43f2c501f |
| SHA512 | 308e708b0e3267ad7fa05fb477394a6121d405cf1c6e03fb3733ef7096eb6f0ed1ef17a648aa571ee68b577dcefa29ed8f545c2d77fce922d0abda431be39c35 |
/data/user/0/com.zejapizehiyuki.yijoro/no_backup/androidx.work.workdb-wal
| MD5 | 0b55e73d5ef58bb8eb58d150c25509dc |
| SHA1 | e901ac77d1905492bf71c89f3dcc2e03562d2da8 |
| SHA256 | 58d2968ab0cf81be8dda7103a3333af9800ba693edc0ad6c548d0f382e0ffcfd |
| SHA512 | f48acef5c4bec248ba87627787449d90eafbe7463f02c47638c1ddcc3e43a567a369772346fe07c0ad423b3ff516ced5ba4e64c3b14a45c7539ceabed42eda68 |