ermac | fbed19b916d8eda8dad98e7fdeefa153d17873ea89a8022b7fb27713d35c70ad

Analysis

max time kernel
148s
max time network
151s
platform
android-11_x64
resource
android-x64-arm64-20240910-en
resource tags

arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-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
behavioral3/memory/4669-0.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	4669	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

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration 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

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
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4669

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

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/user/0/com.vujabagocuyati.wejixe/app_gorilla/oat/xPGXqa.json.cur.prof

Filesize
2KB

MD5
6f46c7e38f055d50a76b69cd7deeed45

SHA1
4bba1528a5f4258f7b9c9a2d84c4e50c87590e1f

SHA256
dac77b100ec9ea4516f751ea3fae8541e36d9e12c1698fd010923de93010bb1b

SHA512
2c63c1bd57617e3dd4bafaf852806f53e6429b59a282e934d2f856b350562187b9ad37f5e0a4d3046a337861224e5dc38c723240e73d7d9d0adebb29f2483ed1

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

Filesize
692KB

MD5
c48a60e4629968fa9efe55df6865e001

SHA1
bccdbe75e24c4e5fbf3e996026a52ec0009c3f0f

SHA256
39fcd857bc66ee755f66a0f06389d3b2076423376cfc6866e0d5ce64a69353f7

SHA512
aa8f54744ad7680f45728c9e22400fa1ce435498209021b2754af46d232eceb88cd59ea50dc1320a2567902eb7190e8a6e3621a9de2bbd4f787ce0c121499c62

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

Filesize
692KB

MD5
290ae55a788254bd37773ec9a2707548

SHA1
8110f939e3c58ac47e57955b4536e0eb76f9cb67

SHA256
db99ce74c9a14fcc3e4e346f6c58b9367b3b494e0517fcf26131f60023f472d1

SHA512
1fcf612cbcf7cda6f84135692d18e42eb7f3a8a52b1269a5dadae843703d94426d24c7aee2bd8220d6723750491dcb56533863cd932937104ef62c3be56d0588

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
/data/user/0/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
d7ba492f300aca05fd0091c70c4b186d

SHA1
f06b4e9d76f75b658d9f44e1aa61d0cb8ebe6f07

SHA256
9b70096cee33bb3654812bd8b1e831fb7554356d6c12bc6e4bad5ec0b6b9ee2f

SHA512
311f3d900d9cbbdc6587b70ecc73a84986a6d8d3ca0e70cf7b604c6baad1418671ce2d6b09e0a05bf3be16a84b2b337951a93364c3bc01af276eb9a0f40d342f

Download Submit
/data/user/0/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
7421e8d244e969c181951f1ca3cc8b9d

SHA1
1feec1175551d81a760dd8aaa75f273beb96b2d2

SHA256
745587dfd1e1544689fac876270c844c3f449bd9c4ef046a143ae3ff81eb5f41

SHA512
e04548e98f20ec4d6a7f258c291b315390f290ef3ae2960c7ccd3284d08aff080a76ff47c7dd4f8b701e5991ca1ee5a324cff5ac1888437296e670c7b5065553

Download Submit
/data/user/0/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
f1d04305599a10d8a826a3619cced968

SHA1
6415c39a0c4d8038e92468f458fc2686713286ab

SHA256
c5f6a3c946449f67646f6d452a9fbf46f6123f9474606fbc5f85a2511abfce0f

SHA512
2c55a82f48c2a12efbd3e26023ae868ee33c108e3c936050521e8569852aeff231624c0ac4748182e7ec96b75a6ad8d30f3049b2ab2a271655d4689c71f5ddd3

Download Submit
/data/user/0/com.vujabagocuyati.wejixe/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
cd35a9dde4a03656021af257df1e17bf

SHA1
7957ff96f4e450909d6062453a6c8727a46c4427

SHA256
d9943ecddafaf04d72d7479292568d4aa84c514a810d0dbc8123f5d25ca5fdba

SHA512
f78626795fd48a69ba62f1553eabe1d07ec2f7c1c21f1a7888234103d8f2e9994d0849308afc23bf0cd5d6dce0c25141f62aecfb9722b1ce6d916376799528e6

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads