ermac | 8b32834aadd2c959416f32c027c89010dbd73b5a044b1835bf8c52d7c92bff5f

Analysis

max time kernel
15s
max time network
158s
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

8b32834aadd2c959416f32c027c89010dbd73b5a044b1835bf8c52d7c92bff5f.apk
Size

4.6MB
MD5

f53de60e60e7d67bc2e8a6aa02c67371
SHA1

ea100a5b3315fc8e886822db1a4f684b7ece91b8
SHA256

8b32834aadd2c959416f32c027c89010dbd73b5a044b1835bf8c52d7c92bff5f
SHA512

baeb8a0c1b6d0008259cb9df03fd297746882909bf54b9857f680294280079d37357111e6f069cf14d1a05c57f9b03c10ba4361a2bde5ac83c84e6b76b14186d
SSDEEP

98304:kPHmAkFCdQMfNEkQAv7rBrOXxPEM5Ks/tKOi0ar+kHBaGlafdFi:I33QuFOXxsM5bFKOiQkH7cfPi

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/5059-0.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_weapon/RpGB.json	5059	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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001

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

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
- 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)
- 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:5059

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

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Discovery

Process Discovery

T1424

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Clipboard Data

T1414

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Replay Monitor

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Downloads

/data/data/com.kahveonay.marka/app_weapon/RpGB.json

Filesize
736KB

MD5
91fa25f5d0a4bc87eade6442d6df1df3

SHA1
a71172f08f4d25d27a50eac3d2d0d25a9150edef

SHA256
3edb04438fd2f20bbbafa53e1b8b36a29a7b7eded53788d053502908c0d5004a

SHA512
649a788c5e6e6521428488a341a1b5a7975889c720054b5326d95e27247b814174c454a09f886540860e3a02ef9137cbf285fa7973639a3af4aa01a7171d8517

Download Submit
/data/data/com.kahveonay.marka/app_weapon/RpGB.json

Filesize
736KB

MD5
2c03dea250bc9671bab37b62c0961826

SHA1
e13febeb33c4dd352e45f7aac4454c04f95abce9

SHA256
bc01aee43cc8020afea87851c4b362c8aae02b73ab51899181de1fad83d3a00a

SHA512
2832ce06e21c8145e0406481c5ece859b021db09e208fbd250b3894ebb488993215c85dd3ba7df35e9d34bf2b658b711f78db8bab148db4589a4f31d4854c020

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
b9417400e39765c3684444f074a91640

SHA1
f9763e19d6f061a2eb91748e89d9e3ad7c61a16d

SHA256
2cd73540dbf8fc9795a901e87c30d7ce005bd26db79e561a88640747bffb37ca

SHA512
739dfe3139242d924ce1cca3f331c76feb10b8521112b1d8e7258b2d02625aee2d27af43bf1c2d97411ef55983073f51ac56f7dfd4dac95efbfa7980fd59df93

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
a178926cc2e09c51b2f3a315c379d513

SHA1
5f90872b707928efd27e215696cd05dd7440acfc

SHA256
f080f3b1d91f96210ecf3c1879586345f488a8f914617616b6e7097baadf4ef3

SHA512
6a05a63cfb30babd7212f239b397ced274a520b818e023b6be7de170f1d0adad9d2003be02603db9be307c056e57653f897daeba8034721320858a0b4a1db420

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

Filesize
108KB

MD5
ae0f59e14fac8198723e045b9a67962b

SHA1
ac6b1ac637d6307889e7f2af2d77751f68b0785c

SHA256
e3e9b7b8e9e3583fedafddf8c42f2a46e7a7ee9252560ab5854900708a1d915f

SHA512
85ad0e5c8be9a35667033d84e0c2ba604e4b13c38f9799618a36fac8d53769c2c3b315e5399ebef4a612f9fe4fdf9f7adc10a0a2640c79ded058fe843ac98c63

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

Filesize
173KB

MD5
e294e7cd499b95e0b620b65e628da2d5

SHA1
54d9284702bc5fc144f63d2b550a92afd9e6272b

SHA256
e07723e397bcd8b0e053ff0e57714c19dfded91855c43c963151eb801fd78572

SHA512
e639912781e6ed3c93fa71de90111899ea5f8fc896ad24bc90cd3daf06647b1d1b6a0195fb5edeeead79e05ece6627661414b302e7ade494ec0dc0baabfa52b9

Download Submit
/data/user/0/com.kahveonay.marka/app_weapon/RpGB.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