ermac | fbed19b916d8eda8dad98e7fdeefa153d17873ea89a8022b7fb27713d35c70ad

Analysis

max time kernel
149s
max time network
155s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
11-12-2024 22:03

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General

Target

fbed19b916d8eda8dad98e7fdeefa153d17873ea89a8022b7fb27713d35c70ad.apk
Size

3.7MB
MD5

ee897ca4c6c9993d450e102b9b2b4883
SHA1

08c87d12c9062160694ab5c76697817b3969803e
SHA256

fbed19b916d8eda8dad98e7fdeefa153d17873ea89a8022b7fb27713d35c70ad
SHA512

73e1fb86f87ab153a70f725a136f8d896de7699a38827021d42eee0e71f34d6f394664554885577ab89f025817597de5b709c30c2aea888f540cc559000f3601
SSDEEP

98304:MpfjI+Gj9jRSb2yubA4iP11TlY5KNW6EJa3ZfCJpii4O:JjGIarEJaJqDkO

Score

10^/10

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

Malware Config

Extracted

Family

ermac

http://lxkjpr1j.live ; http://xvEy2zQ2g.pro ; http://TA3AE3Ji.pro

http://lxkjpr1j.live

http://xvEy2zQ2g.pro

http://TA3AE3Ji.pro

AES_key

Extracted

Family

hook

http://lxkjpr1j.live

http://xvEy2zQ2g.pro

http://TA3AE3Ji.pro

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/5002-0.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.vujabagocuyati.wejixe/app_gorilla/xPGXqa.json	5002	com.vujabagocuyati.wejixe

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.findAccessibilityNodeInfoByAccessibilityId	com.vujabagocuyati.wejixe
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.vujabagocuyati.wejixe
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vujabagocuyati.wejixe
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vujabagocuyati.wejixe
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vujabagocuyati.wejixe
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

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.vujabagocuyati.wejixe

com.vujabagocuyati.wejixe
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:5002

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.vujabagocuyati.wejixe/app_gorilla/oat/xPGXqa.json.cur.prof

Filesize
2KB

MD5
8bc8df381be44b6d6ce49b4eab2ec358

SHA1
09f93a6ea035f4166baf66ffacce0dea5924b65b

SHA256
19f0e6193f701a841ce80feef740bed179874ed260e4019888d3b48bcf646b6e

SHA512
dfe2603ec8b5acca8b2139b168ec3ef9d3c6bde7a866aeca8eca2e22003ca719ae87ba80ecf90141c03dbbcb8ef77254ed0531f3a551e2d3961c2e3967bab747

Download Submit
/data/data/com.vujabagocuyati.wejixe/app_gorilla/xPGXqa.json

Filesize
692KB

MD5
c48a60e4629968fa9efe55df6865e001

SHA1
bccdbe75e24c4e5fbf3e996026a52ec0009c3f0f

SHA256
39fcd857bc66ee755f66a0f06389d3b2076423376cfc6866e0d5ce64a69353f7

SHA512
aa8f54744ad7680f45728c9e22400fa1ce435498209021b2754af46d232eceb88cd59ea50dc1320a2567902eb7190e8a6e3621a9de2bbd4f787ce0c121499c62

Download Submit
/data/data/com.vujabagocuyati.wejixe/app_gorilla/xPGXqa.json

Filesize
692KB

MD5
290ae55a788254bd37773ec9a2707548

SHA1
8110f939e3c58ac47e57955b4536e0eb76f9cb67

SHA256
db99ce74c9a14fcc3e4e346f6c58b9367b3b494e0517fcf26131f60023f472d1

SHA512
1fcf612cbcf7cda6f84135692d18e42eb7f3a8a52b1269a5dadae843703d94426d24c7aee2bd8220d6723750491dcb56533863cd932937104ef62c3be56d0588

Download Submit
/data/data/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
2a5c9fce8f3b1c37bcd0acb3f3dfaa2b

SHA1
52e634c035151563d746260ff5f8599cdf1e4039

SHA256
61dfcc0f1189c2dff00d60e7ae2547006f5c80acafe8290a67bca057b611c83e

SHA512
f286702d51f9dacae2ddb5a29fca4895be88bc44fc146f1f695208c6099ced80ec9b55fb6cb35a54849f5c706bb0602d8e59176ff9aef7b8a55fbfa95d3003e2

Download Submit
/data/data/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
18b190823f0363177ed6fa4615c539cc

SHA1
3872b58e6f04bc2811b327b8221e5992cb4e77d7

SHA256
8b43bdd34b9fd0313fe0b7392229ba7ddbf2789de51c2c65b4fe93fdf671c3af

SHA512
be9e54f30bfc9875c04efff3acbf513050d644737dedba5fea214392895d90b90db55995f2c522d2d62577ae45e8edd31b93498d85ba95904e728eb2f186bf28

Download Submit
/data/data/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
908c61a1b547511d24abe52b89a51e43

SHA1
381de8521b374f9b0e3706c56ef4870ed36b7db3

SHA256
6361c337b476e42c349bd8338e4ae66a5f12bdbd9c7521b2fc016129872608d5

SHA512
0b15d715300e6346db795547b616b15535059ae44095a196050cac2eb85fa03d66ea1d0e5e87b00ad6836758c8c82cd2357607de6f06870370f672235fc6c09c

Download Submit
/data/data/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
70294a43dda1eb58f4ba74e4bc2f41df

SHA1
503795c62c77a95521f08b4c75247accb1f10104

SHA256
6a888e040a12d0c1ecf2250baef5b72d409df98429ecc0162078c01af9524d43

SHA512
0160c2c088f1d3e54db4fbb19da679992e44c6d49ad23f794ec5c8cd3ded4dc373c45c8f1a371f4f9c5e301fe8de60ca6ec5cddcdeecdfe05167feb06a703e53

Download Submit
/data/user/0/com.vujabagocuyati.wejixe/app_gorilla/xPGXqa.json

Filesize
1.5MB

MD5
dd7e4d4bb72ce5cb0d760a7df45382d3

SHA1
7fb44158009796bea8275976c6d9c8316e72568a

SHA256
d53715aed3263cfd676a7b56df524b1ab0f874db139328083c0e4a079384f2a4

SHA512
2f4ac4b3cee6b7a7dfc43c687591cbf814a9f8e230e869bfc1dbd83c84c940a3525bdd5a9969a5c08d125728bc475ba3dfa14b2c937ebe314c5c05f15cb6ca13

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads