hook | 3d287d481cbc7233cd2aa7d56738c6bbb082a5f505c04b79ef147a7e8187de9d

Analysis

max time kernel
53s
max time network
185s
platform
android_x64
resource
android-x64-arm64-20240611.1-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240611.1-enlocale:en-usos:android-11-x64system
submitted
18-06-2024 18:52

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General

Target

2a3e8d148a007a1c945030c3d7ebdd99.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

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
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
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.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

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.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
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4563

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb
Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-journal
Filesize
512B

MD5
1d8b9aba42f59ab1d0cf0a8aa6f43c19

SHA1
28a37311dde97a7d5f21256685aaec0f787043c3

SHA256
686940c54098dcd97fe8f801c4006c1137299d978b2cfb37c397e30469bd9f47

SHA512
1cbf8ba8b243c9d197d26b3b77f6d9cf27c7bf63205ec80f2f9d93742ee08d483fb4b2b62f4347133dc58d484fd7a00e8bba712d498ccc4240f13d8372461b80

Download Submit
/data/user/0/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-shm
Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-wal
Filesize
16KB

MD5
04567eeeb29dc230d0d2f6b826368bd9

SHA1
fe780cc0743a37c6f4d0b1cd3825efd0b624ef36

SHA256
9c8cdbcd24eec9f611dc063f8f536b4d58c4e5afa17f6955a5c54c2769a0d9f7

SHA512
b81ff07ea1c63e8c60608cadf1adcc613ea9946cf6f21fc1df47d901c2915bffcc603d4c0c18076ba02365cb4ca3f54a4219f5a376736ffa18b4fde15acd3d8b

Download Submit
/data/user/0/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-wal
Filesize
108KB

MD5
9deec74d46ee1f01b3fc4464b6551f2e

SHA1
5bb51dff9c6495f10307f324e09be7ea015b50cc

SHA256
1257cb5b735eddebc14e3aac4a64c4cbb8269b211f5b89dcf0ecf16046e30432

SHA512
eca682ea9901543cef2ed3d00476d8e777d5256ba68f905b53fd5c3bd8d4b690cf5a1859c4c563843d510e856be578ca03353a101a35dd19b5e134acb1504593

Download Submit
/data/user/0/com.lasujokeyoye.nafeyi/no_backup/androidx.work.workdb-wal
Filesize
173KB

MD5
340a3109cfe0e994b7c3e41bca348111

SHA1
1b022c66dda01c6506b59336ff7365f60fd44dd1

SHA256
5b578db8f082f99f76f1083a856274c4f018ba1eaf467163a320ff86d41aa44c

SHA512
b9c716123c7a864bd4d0f6eb6b03afd9bdd1fccdac4306b200a8cb5f13bef0e31af3b9b009efb56c653239f5acf9551180525dd3e4ceb7c52b4d3aee3800d62a

Download Submit