hook | 3d287d481cbc7233cd2aa7d56738c6bbb082a5f505c04b79ef147a7e8187de9d

Analysis

max time kernel
73s
max time network
189s
platform
android_x64
resource
android-x64-20240611.1-en
resource tags

androidarch:x64arch:x86image:android-x64-20240611.1-enlocale:en-usos:android-10-x64system
submitted
19-06-2024 15:41

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General

Target

3d287d481cbc7233cd2aa7d56738c6bbb082a5f505c04b79ef147a7e8187de9d.apk
Size

1.1MB
MD5

2a3e8d148a007a1c945030c3d7ebdd99
SHA1

6fb920969e85665297e5b425214d01bb4b8b2bfc
SHA256

3d287d481cbc7233cd2aa7d56738c6bbb082a5f505c04b79ef147a7e8187de9d
SHA512

d633f1c421a93110390e7e5ceeb5bb1a85e83a7e4373469d61ddb93e09ef89027b1b6054d06c72b000367cfe82b56d61252a837e9cf3ca20b44b129972a4d1d2
SSDEEP

24576:SlaAQUvgkaA1Nngr6zIaAo2N1yKVoPzuoSyEDig/H9Nf:SlaArge1G2kaAosEym+ig/jf

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

AES_key

Signatures

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook

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

T1516

T1513

T1417.001

T1417.002

Processes:

com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.lasujokeyoye.nafeyi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.lasujokeyoye.nafeyi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.lasujokeyoye.nafeyi

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

T1414

T1641.001

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call android.content.IClipboard.addPrimaryClipChangedListener com.lasujokeyoye.nafeyi
Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
discovery

T1424

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call android.app.IActivityManager.getRunningAppProcesses com.lasujokeyoye.nafeyi
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

T1422
Acquires the wake lock 1 IoCs

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.lasujokeyoye.nafeyi
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

T1541

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call android.app.IActivityManager.setServiceForeground com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.app.IActivityManager.setServiceForeground	com.lasujokeyoye.nafeyi

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

T1629.001

Processes:

com.lasujokeyoye.nafeyi

ioc	process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.lasujokeyoye.nafeyi
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.lasujokeyoye.nafeyi

Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
discovery

T1421

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.lasujokeyoye.nafeyi
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
discovery

T1422

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.lasujokeyoye.nafeyi
Reads information about phone network operator. 1 TTPs
discovery

T1422
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
persistence

T1624.001

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call android.app.IActivityManager.registerReceiver com.lasujokeyoye.nafeyi
Schedules tasks to execute at a specified time 1 TTPs 1 IoCs
Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.
execution persistence

T1603

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework service call android.app.job.IJobScheduler.schedule com.lasujokeyoye.nafeyi
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
impact

T1471

Processes:

com.lasujokeyoye.nafeyi

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.lasujokeyoye.nafeyi
Checks CPU information 2 TTPs 1 IoCs

T1633.001

T1426

Processes:

com.lasujokeyoye.nafeyi

description ioc process

File opened for read /proc/cpuinfo com.lasujokeyoye.nafeyi
Checks memory information 2 TTPs 1 IoCs

T1633.001

T1426

Processes:

com.lasujokeyoye.nafeyi

description ioc process

File opened for read /proc/meminfo com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.app.IActivityManager.registerReceiver	com.lasujokeyoye.nafeyi

description	ioc	process
Framework service call	android.app.job.IJobScheduler.schedule	com.lasujokeyoye.nafeyi

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.lasujokeyoye.nafeyi

description	ioc	process
File opened for read	/proc/cpuinfo	com.lasujokeyoye.nafeyi

description	ioc	process
File opened for read	/proc/meminfo	com.lasujokeyoye.nafeyi

com.lasujokeyoye.nafeyi
1⤵
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:5173

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/data/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb
Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-journal
Filesize
512B

MD5
f4300fa91ea4839a14d921bd982e740f

SHA1
d54821c45ef4c83d4b9a904228ca6550d01acd67

SHA256
4590126e11e69f72ebec3da75ee46805da43d8b31f1706fb867587a5cd89e7cc

SHA512
47eb4b6f0d560f73bc655e7e271d4b9f798a170960a1c8d781484d89aafa5d61dd20b7ea7a4930c24d83bb62ab5a0fe933ccba8dd5198b29b2956e2ff1fcffe3

Download Submit
/data/data/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-shm
Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-wal
Filesize
16KB

MD5
2e386caa39cf8841aa0da8f078f20063

SHA1
32882715325faf7eca7edecf5fcce88480870204

SHA256
0878d6741572d1d9148f5ed6a12da17af178930a11de22e64718a26d9496fb6d

SHA512
19bdf279259facf5e363a8a79f8b3300b8b103fcddc6336fdf93da743ab8cacc5af99dbf85cc70243c2d1d91d92d67b9de150c0258c80c559185dd87b6fcaac2

Download Submit
/data/data/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-wal
Filesize
108KB

MD5
6e7ce8472d7c49e40f58dab489c3b079

SHA1
b4021ba9527e9038572557a2095cabb6bf85be59

SHA256
ddc41a7df0af4924f28cb93cf4670898d305d1ed0cbb05f5d577464d6925adf3

SHA512
c89e4035b54a9682ced2a54dba3ec83089836556f9a7a7c03b8e3df55bb7be257ed4e632da495819be99c4bcf91944fa6b294d99a29dda263696ac979acca27b

Download Submit
/data/data/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-wal
Filesize
173KB

MD5
7a826730e1746c390509dd7e4906d4dd

SHA1
0a187a9218d405e04e08e0fadba8602f2b0dd025

SHA256
759685f8015d8264012b3bf0b0b7f292e53ce82a48411ac05ededf2237f927a8

SHA512
5a4d3904d14931b6b929982d50103d81c225a9ac5b1e8fd2ea00625a56c2899c2befeb71fad9c8703a984b12a6c4ce0b6ef10a50e61d09454c65129f95a3399e

Download Submit