Malware Analysis Report

2024-09-09 14:00

Sample ID 240502-bl2z4scf7t
Target 32e4dee58ea17addc5df4ffb862ab3a8df1697598cb6437f92de4075665812c2.zip
SHA256 32e4dee58ea17addc5df4ffb862ab3a8df1697598cb6437f92de4075665812c2
Tags
ermac discovery evasion persistence collection credential_access impact
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

32e4dee58ea17addc5df4ffb862ab3a8df1697598cb6437f92de4075665812c2

Threat Level: Known bad

The file 32e4dee58ea17addc5df4ffb862ab3a8df1697598cb6437f92de4075665812c2.zip was found to be: Known bad.

Malicious Activity Summary

ermac discovery evasion persistence collection credential_access impact

Ermac family

Ermac2 payload

Makes use of the framework's Accessibility service

Registers a broadcast receiver at runtime (usually for listening for system events)

Queries the phone number (MSISDN for GSM devices)

Requests enabling of the accessibility settings.

Queries the mobile country code (MCC)

Makes use of the framework's foreground persistence service

Queries information about the current Wi-Fi connection

Loads dropped Dex/Jar

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

Reads information about phone network operator.

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

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-02 01:14

Signatures

Ermac family

ermac

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

2024-05-02 01:14

Reported

2024-05-02 01:17

Platform

android-x86-arm-20240221-en

Max time kernel

6s

Max time network

152s

Command Line

com.gejalevubakupa.sugi

Signatures

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Queries the mobile country code (MCC)

discovery
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)

persistence
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

Processes

com.gejalevubakupa.sugi

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 null udp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp

Files

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-journal

MD5 0efa1eaec461c62c288071b2f4226168
SHA1 63b17c47b4febb51f895d30551b9114e8e0e9f58
SHA256 0cf1406b2d1474414037977aa9541f7549acf7b2974fe6bd07fac2b12730a6a5
SHA512 2991759f5542d5db288687e608415b7b22f862ccecb69ea024b02f18745096157078b2280e1282ba7acd8aaad1d872a3325831f7637125399d931d508ab90201

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-shm

MD5 cf845a781c107ec1346e849c9dd1b7e8
SHA1 b44ccc7f7d519352422e59ee8b0bdbac881768a7
SHA256 18619b678a5c207a971a0aa931604f48162e307c57ecdec450d5f095fe9f32c7
SHA512 4802861ea06dc7fb85229a3c8f04e707a084f1ba516510c6f269821b33c8ee4ebf495258fe5bee4850668a5aac1a45f0edf51580da13b7ee160a29d067c67612

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 d50abd6cc739b4ddb8181f90c52c0807
SHA1 f02d3bab1db1cee9de0b70c838b8d919f4648aab
SHA256 a48b1579027e30ed202eed06138731c1369fc5412416aea7e4e07e6d80448ca4
SHA512 9a0dcd7ec772550f6af927cfe9109308f074a340440ac42cda790c20e42038de90fcf836f10b69c12c253243ac0da9c19cf2645fe1fbd3b57ecdc9689dd89c90

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 d021a43f795de01515d0a26792b4b26a
SHA1 f5c62c4f54d8116853e13d4d55828ef772a29774
SHA256 e2f886ef0c0542d7ea42652b40425d1601aefde22c75e7f02e94f36bad753001
SHA512 a9ad92877d4e377ce69aa4dfae0c358264f62978b25f908a4e3f7eaa573770851f15e47996164b5869e7e7c06e4b8b092e4613a376dab79c6b935943353767a3

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 3ba5e21718fa30d077a1467614e57ce9
SHA1 523027d230470653fea4e3be1e8ac98c4edb0a77
SHA256 1b28f1f028334bf1602bf9ac6fb44c67c87c51c0415feb60baea795c11f371a0
SHA512 8da3505e01191bec3224f964107a15799000e4449c10e98e180287766e0309fd970d4852828bede80b79988b6d80d3882a2870bc9f8a0a1dec9864efd3cd5ca7

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-02 01:14

Reported

2024-05-02 01:17

Platform

android-x64-20240221-en

Max time kernel

150s

Max time network

142s

Command Line

com.gejalevubakupa.sugi

Signatures

Makes use of the framework's Accessibility service

collection evasion credential_access
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

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Queries the mobile country code (MCC)

discovery
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)

discovery

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
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.

discovery

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.gejalevubakupa.sugi

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 142.250.200.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 null udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
GB 216.58.212.228:443 tcp
GB 216.58.212.228:443 tcp
GB 172.217.169.66:443 tcp
GB 172.217.169.14:443 tcp

Files

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-journal

MD5 70ffb92ae1746fbd187d05b4a54b487c
SHA1 909e34f80ed44db35c9bc3b06fb57fdd26375b47
SHA256 690afa24bb12137abf2e53cd56d2cc396902cf211ae91ca278e61c64c497ec40
SHA512 6232b48442e2d5540493943ab300e88dae0312e51ff68d5b24b2657cdda5b6034fa034af781ecd773cec7bd8c6fd681cce94f837a5dfdc28271745158b25efee

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 58de960086493fefa438cf8a616f06e5
SHA1 c7729b087498d07ac4f5935b3689d5fb3fddd2d9
SHA256 453626f6eafd0816ae474154fb9c71938d6a65b52422e7eaadbd2abbc8cee40c
SHA512 248e77705470f385a503b3de13922ef4d5b06946de2287731d4306446649077027894616610daaf59ae1280586bafadca4eb19556b5465a98fa8ddfbb7358ccd

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 86f93fc77ddeeba62886edaab45a9d27
SHA1 439cf687b82759b2d6c260c27f783baa88261fc4
SHA256 702b54b0b37bb1643ed01b2583d1d0f51679621e97fa3e862fbc7b813cf03098
SHA512 887598d7cff4a24e4992bc0f18a35873cde5e3a864d9d88b7ded0c03cae86d6bfa011c27311a620ad9ae7f7f1d0cb8a6c4bc86f2fe0a0be98f5db68302ce9e8c

/data/data/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 3b23156da80a35854dccbc3ecd7863eb
SHA1 42a1bb0b7783f467c6755de633baf54fc7b557e3
SHA256 1c60d9a36f3c9daa7333c0401070978898bddd7ca039ffd38b246164807dc634
SHA512 c55e1c4dbb55a547a0cae55451d96e89ca7e1fa576e1f70b137050ab4966a50747150b15e912b532e543b3fb052c5064f5b41017ba3be42c8d959a5bcc6b433f

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-02 01:14

Reported

2024-05-02 01:17

Platform

android-x64-arm64-20240221-en

Max time kernel

51s

Max time network

132s

Command Line

com.gejalevubakupa.sugi

Signatures

Makes use of the framework's Accessibility service

collection evasion credential_access
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

Loads dropped Dex/Jar

evasion
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

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Queries the mobile country code (MCC)

discovery
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)

discovery

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.gejalevubakupa.sugi

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.212.238:443 udp
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
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 null udp
GB 172.217.169.4:443 tcp
GB 172.217.169.4:443 tcp

Files

/system_ext/framework/androidx.window.sidecar.jar

MD5 bdf3529e80318eb14e53a5bf3720c10d
SHA1 25c9ace4b1af6e80ebb2572345972c56505969ba
SHA256 bbc8300dd1e9cd08de8f66560c1ac2c928615b72b51cef9649f88974f586d64b
SHA512 48b9c2d01171bb651b9b54826baa51f4add48431a3efd8ceb5f7cc3bcd6f8f37edf47fabb24349dd15b3a02329cd450f90a8d164bf4f8dfae554bf3b35a8a55b

/data/user/0/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-journal

MD5 355d3849ba600e6f4f3f37f07171ed4f
SHA1 2115761ae6f0639080ed43762d365eafd346aa1f
SHA256 e6e563611d97b9b9b74ad0bd1aba348da3b3df993cca8a01036c708c2e43f0b3
SHA512 2916e8f63a6e8802c894a3909f0bff7d7ffe482cfa0982fd37e1972b6669a00b7f6e3a2f60b6a5072571e6d0e653a644930f9f612f464dc56bb7f35fdf7aefa4

/data/user/0/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb

MD5 7e858c4054eb00fcddc653a04e5cd1c6
SHA1 2e056bf31a8d78df136f02a62afeeca77f4faccf
SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
SHA512 d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

/data/user/0/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/user/0/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 3651cc3d951e1cacd82aaa0ddb5376b4
SHA1 554c511f63861020518f4fc776f15032a9efb3f2
SHA256 117690c36fd93f9481ff9ea78a47a15c52a3dbe94dfbd7d9b0e67378a7f1f8e3
SHA512 1808fd096e876f66fd9a0e2cd4fa0bf3d7aaf1496cfd4a1de6588bd4dcc2fb6db0e04f73d65d4abcf91ba1205a54716073a6c29c01e12464aee6b2a8daea7de3

/data/user/0/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 2b2b7b75637ca86ce036e00165200ea1
SHA1 6e5d739aac6d68d9b0ff4cc583e042ac1cc20107
SHA256 c026876b382becd64a91d4c0e454865c957f525d2bc40a78e7e02986790a623b
SHA512 1eb8ef85bb0c63aa213aef82857e60f968ddf13337f7145642821dac38b022c85c68dd3af1b7e27fe4f4be77d94dbb76bce4a196ba9f84f8369b9a7bd8813ee0

/data/user/0/com.gejalevubakupa.sugi/no_backup/androidx.work.workdb-wal

MD5 56453eeba599e973b4e382d2a5466e1a
SHA1 1cf1c02200450cec8385d8061a24e4890fd8ffe3
SHA256 f49a641cf123a1ed2330359ae7b10412c67f13ed54452c9f061c0a9d90968535
SHA512 dc1a9f3a49f2415dcf244cf7920b05a6ccbed09c837aab6b4d1beabbe7cfabb2c7c66c914fab18cf11e6984c939e80558d9cf3d8265ce4919d70d7e24dadfdc5