hook | 3d287d481cbc7233cd2aa7d56738c6bbb082a5f505c04b79ef147a7e8187de9d

Analysis

max time kernel
54s
max time network
186s
platform
android_x86
resource
android-x86-arm-20240611.1-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240611.1-enlocale:en-usos:android-9-x86system
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

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
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.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.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
- 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)
- 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:4260

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
cd7da6e58ffb5b274b3eac4e232ffc29

SHA1
70d041acd427953118ec218196aee9f44a538549

SHA256
7287bc3e9a0b4706501857a5ecfc9cce9827d74d982a89f8f53a612fe673d0d6

SHA512
42f3d0b026a08f977e069853d60c66a7bad75b407409936fa140b1dd3262f352ce8268d6abf707b5c715869f45cece1e59f87bc569cb2c13bce20261be75e64c

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
a830b8577965c3fe19721bf6ce3254cd

SHA1
d2a93ae05f914a63c9a55fa4b484eb2c2c04bcba

SHA256
62b0fb16b8285945e0c19ba0b08334f3989425bd2d7ef60ac195e044475657e1

SHA512
15ffba4eebbe5b46b8d30ca3e72d796819dee7c96cf34c87bef65c7e964518610753d1536db3af39e4d3fc369eefda77cfcdce99e0eaa780036f8c0a8a04030a

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

MD5
49980d50d875176a79ea770778d114bb

SHA1
ce7e450534e575a918f5332b36006c1ded1f3958

SHA256
9bc30681fa8416439debb67412c5ac6c98e77ee72ed869c662bea047c5345532

SHA512
02dad1836af868248773fcfce7c3d214bc7ce3a4b43140a05570e3bea53633e50ba57676d3650b58f5ef92632841caaa6771415b94c63a3ca8c7ec64361b630a

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

MD5
955a9ecfbefedcfaff6458778889d6c2

SHA1
da683f4abaaaf34603ee2cc1ac5fdaa42495e54a

SHA256
0aacd2f5215fceb4b044adddf958c92ff3d14fcd4b9990e037a9cc437997bf6d

SHA512
da126e55ba059a1da5ddffb73cb05cbfdb85c4f3be42f8aba7708978caefaf6451f4279bb6f60429ce7a97458ff3bbfa1b463fc7cf26df6f8b6741f61b6b5a65

Download Submit