ermac | 2940ce672f530b77d0e8aa234d13e371ec8b12e8cdc7d67bac2e7634726659b4

Analysis

max time kernel
147s
max time network
156s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
07-12-2024 22:05

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General

Target

2940ce672f530b77d0e8aa234d13e371ec8b12e8cdc7d67bac2e7634726659b4.apk
Size

3.2MB
MD5

528948b21f1f84f755107b3c235925d6
SHA1

1d848bc442155eec20c5fecb98bc0a23565f0eec
SHA256

2940ce672f530b77d0e8aa234d13e371ec8b12e8cdc7d67bac2e7634726659b4
SHA512

3854af4b672e43ed14bf3f603951836a7771a53ca9d0e7924c51e5f4f38c8724d9562946194499c866ab9ae649382f3c54740388b3894ba85224d1949308809c
SSDEEP

98304:YPr8QZMVEiQhZB12NcXUS90vNnMUzqrkZ9xzOsoCOWs3Sdsq:8ZViy4kUC0vL1ZDasxs3gsq

Score

10^/10

ermac hook banker collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

ermac

http://154.216.19.93

AES_key

Extracted

Family

hook

http://154.216.19.93

AES_key

Signatures

Ermac
An Android banking trojan first seen in July 2021.
banker trojan infostealer ermac
Ermac family
ermac

Ermac2 payload 1 IoCs

resource	yara_rule
behavioral2/memory/4968-0.dex	family_ermac2

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

Loads dropped Dex/Jar 1 TTPs 1 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.kahveonay.marka/app_regret/Dya.json	4968	com.kahveonay.marka

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

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.kahveonay.marka
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.kahveonay.marka
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.kahveonay.marka

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

Clipboard Data

T1414

Transmitted Data Manipulation

T1641.001

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.kahveonay.marka

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

Process Discovery

T1424

description	ioc	Process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.kahveonay.marka

Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.kahveonay.marka

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

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.kahveonay.marka

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.kahveonay.marka
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.kahveonay.marka
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.kahveonay.marka
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.kahveonay.marka
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.kahveonay.marka

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

System Network Connections Discovery

T1421

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.kahveonay.marka

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.kahveonay.marka

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.kahveonay.marka

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

Scheduled Task/Job

T1603

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.kahveonay.marka

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.kahveonay.marka

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.kahveonay.marka

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.kahveonay.marka

com.kahveonay.marka
1⤵
- Loads dropped Dex/Jar
- 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:4968

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Input Injection

T1516

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Downloads

/data/data/com.kahveonay.marka/app_regret/Dya.json

Filesize
736KB

MD5
631fac78b3aed09bdc8573dd15a98c68

SHA1
9fb111d105aaf0374e6245c53a65a238e487f3ab

SHA256
14ea42a18646e494106e5bb55802c9d68a16ed4243ed8d9c8c5ee77f430f763c

SHA512
0559abacc0d5bee6a751fb5d89c18f168489210c8ac85933c35d278ee432b1faba649d8edd0182ac5e670a6a66f90fa983ceacbda8fb47898e62b2467121a2f1

Download Submit
/data/data/com.kahveonay.marka/app_regret/Dya.json

Filesize
736KB

MD5
fc6b35d315f4db9d5a10c9b40d63025f

SHA1
0680d4ef9e7c95a8ab798367f078fb3fe2a8f47a

SHA256
88e124126ed6f115673a1e75ddbf047a7d9781f7ebf1e6a5b5ad8de275f6929e

SHA512
d42ff7eca23939076cf6b872db8167d5b774eae639a082cdcdf7d705dc89ea451eeccd60e27a2102270e4f324b71b89136c66662283412cb572a93b74d87c517

Download Submit
/data/data/com.kahveonay.marka/app_regret/oat/Dya.json.cur.prof

Filesize
2KB

MD5
5d50ea767a97e3782b227bd90de4a4db

SHA1
885650a1134b5c5110f58f97f1046ef8ff3d1f83

SHA256
aa07ec0eccd49a7dd57c93c65658e7931a4a31272b0140613cfc484f80cd210d

SHA512
c5cb28fc3f63d02308106dfe185e8983780c05048720e20f6250ae86f51118541c77aa78ad03d9ff7de73edd83aab0b53efd0779279cbdcd349ccafe2f815b3d

Download Submit
/data/data/com.kahveonay.marka/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.kahveonay.marka/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
bc980ecc65231eebd85c8b08baa01be1

SHA1
20e774f962bd8115fd8ffaa63588d2599bd86676

SHA256
04ecb5197878f8e0f6e935eff317e457f685eb973b52d6dee7958858388e87d1

SHA512
d583854d2a59f799a6e7616072cd98f5d5be66a94e8fc861483b2ec7ce8de941844cb29d16c43d5bb3d60e762f7b40ccdba0d7b66f729edb6a4d4e0be22c8cf4

Download Submit
/data/data/com.kahveonay.marka/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.kahveonay.marka/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
57e2278ad5bae8369aebe584547ea6cd

SHA1
7169de18e22a3deb4b9ece8ce1bb31b2486b2d8c

SHA256
3732f1d5b02a65889d119030d4e30d7529615f6a06db8469743e2975c2693f2b

SHA512
46a9f81a785031c1773b17306264003c8d833182a75891fb288ee7f478ccbf1e258a63e92e2b74388aff200dce85b0fa2f990d70d9b74b2f75d98d1c2131f22e

Download Submit
/data/data/com.kahveonay.marka/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
4aa90b171bdd3091a5b68459709a361f

SHA1
d6ea549faf028208b917226fd0ad4a4a68060d7f

SHA256
a6ed2a779f084f83a1dfe2dc6424297d2efc20aeccd9b451bfd131e3849ce703

SHA512
9c9315e2326c8ae137d4f08e3b335fa5850f96bbf72c099cec90954a2df6af5a12d1450c536852cd64299045c2f01a08e44a00ae5e2c17f35f13bf7e769ed976

Download Submit
/data/data/com.kahveonay.marka/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
1abcc3175565ab0fb4d91a6e345883b2

SHA1
1db0c44bffaf3271408aab26539ed624086cac3f

SHA256
7fab6a60e6ac96827e2fc269314eb07b8b2b7c8613c31aa135d064083adcec1c

SHA512
4b1ced2aecbb3a1fd0f17ed5d29bd80852f33cc9f02cec34f620d95ebe3a62525717e431b161bedb3b222e589a11243b551c142a83d7fb069d970e0ccbb93b98

Download Submit
/data/user/0/com.kahveonay.marka/app_regret/Dya.json

Filesize
1.7MB

MD5
c16331a931011722a8a3f4110d016935

SHA1
da0ee471f9918f2f4237b2b8c4b312493e7c208c

SHA256
0ed058b78dfc76d8250582cf41a2fc98c51ec7c7ad378c820e13d8d8c732b74a

SHA512
18d9f1c63a4fce491fe10f4d8c0a735544fd0a6d26585ae7311e2daaebcbd34c8e6694285b7d637213a56a986b3dfc0de3f39986e9eded86b5d4fb47c4fdba5d

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads