ermac | dbb5b90f27222070018a8e029422643a6eb61bf4de0b9855f4af25e0947a07d2

Analysis

max time kernel
148s
max time network
157s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
06-01-2025 22:07

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General

Target

dbb5b90f27222070018a8e029422643a6eb61bf4de0b9855f4af25e0947a07d2.apk
Size

3.0MB
MD5

27c3e47e5c404b472c332e84aeb7cb0e
SHA1

e335dd6e432907c95b05ad85f117f3cf0f22e2e5
SHA256

dbb5b90f27222070018a8e029422643a6eb61bf4de0b9855f4af25e0947a07d2
SHA512

e871a8171603b3dc4066d7b2f3582fe8a3c14dd3e0c46027c45545eaa3f819d42e7330a8b05e3d5286545a44368c2b81d8a9138452c11a64732e0e27d7e710ad
SSDEEP

98304:qzT914BLyLfD8b2g8kdPO3N+oEiXDtpyB4CV1GF:mJibs5YgH

Score

10^/10

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

Malware Config

Extracted

Family

ermac

http://85.209.176.208:3434

AES_key

Extracted

Family

hook

http://85.209.176.208:3434

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/5071-0.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.xuzewavuhahi.xomi/app_DynamicOptDex/Ky.json	5071	com.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.xuzewavuhahi.xomi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

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.xuzewavuhahi.xomi

com.xuzewavuhahi.xomi
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
- 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:5071

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

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

Replay Monitor

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Downloads

/data/data/com.xuzewavuhahi.xomi/app_DynamicOptDex/Ky.json

Filesize
687KB

MD5
271a83491c28ee7f01b49d1b8c3ac48b

SHA1
283cd5e7685a48a52f6ca0d0775964145d2345f9

SHA256
625c9e5cb10250ac8c591ad7b9c8700af064a0a597593720dc9a520878bd01e7

SHA512
07824035e500dfd8df43755c542fb6b068ca496b0dc5b8e839320dd3853bc97b4b0af4b642c34b7364db54fa84d97713b9f33b9dc5c4d66777c868d39acefefe

Download Submit
/data/data/com.xuzewavuhahi.xomi/app_DynamicOptDex/Ky.json

Filesize
687KB

MD5
ec6b9d8e16ad00340b578dbfe5f1dc6e

SHA1
030ebabcc90f78ebff9f87c3b6cfa348a50335e2

SHA256
a4725bfb6d51e2e5bae521b55e1c8c74eef85d6b3ef7a38108a7f77f125f6bc9

SHA512
c7d648061a26cc8236cff5faf8a828cbf4721ba948a79659cda5290bd2ca47673f0158b81461e91ccc7fa4c5b18c2c22acb51db5645acbe1803d827e51794933

Download Submit
/data/data/com.xuzewavuhahi.xomi/app_DynamicOptDex/oat/Ky.json.cur.prof

Filesize
2KB

MD5
e2e3583800bdbe5b22634e4680d85a9d

SHA1
b88719d5c6d63e4a404f8588f2498b7c3efef1ea

SHA256
ddbaa6870dd229a1aa24359da816160d7cca8c9250d0302a0e7bd3a8fdf4a7f0

SHA512
a014e3650fb07572edd950de8f932c9ba924b56fb1ff981b955d25d48429732af1acd7c80949e3e506b55c6d9363d13b73c256b7d9d2ad8c6b48058e4b7ccce2

Download Submit
/data/data/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
aedf9613397e4d78dfc033e28b5e35eb

SHA1
e22d825086c052d0cd8b706e5f1ff9ac86a7e58d

SHA256
92ab9aaa922478ed73cdbe33f34ae4bc8d6be3b81584c52b21ed8479f8e93a7a

SHA512
4e9aecbb1148e3ad993f558dc6d5774e3e8ea403005dd4776e314dd1ad25797f0d31b20ce581870af498b4e8f9a094e99d3c002743abac9f38e6c7fd3159c86d

Download Submit
/data/data/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
0d01f31983fea324901fa98bab4e985f

SHA1
62539f00f3ea4f988ebbfe18070439e45707563e

SHA256
e35eecf5c98b086fcc5283733652a1306bbe2f596bcf93124b5195f22c387790

SHA512
c81e14875d8595387f360ffe30a2e644d2222552d4669dff42fbb51e8e3fcadf5a11114e3f18625766b4c6f1251422920ae7b850679d62014cd62de8f2eefd02

Download Submit
/data/data/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
a09c0f91511bc5a399c2b2bbacc9269e

SHA1
437bde1b30f3a2233715c01ed724fa91f0cd0463

SHA256
1761d29ee916acde170e2e95b7d36056f4b4cb85c8f70663eb8cd26cf3850d5b

SHA512
d6cfb8f0d2293583f75ec5c3f7dee898d81db72a61e6001e5edd03a9f8d4aee5ff539c55da46dbccf1a9f5b4be0d58875d304351ed417cabf38eebbd287dc7b2

Download Submit
/data/data/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
451bf913c9eb29b7d68b9f9304d5bd2c

SHA1
80d38bcb7ae79a2d04e688f53372cabce389ab2e

SHA256
5d879619717e95fdb6325a77d4f17a1012898e7978e5481ba8fe51df39289d50

SHA512
7db5b1bdcef24d2d3110e36dd8045c88de4ec26055b8f9ab8c1fb4ba487666cc94625aa19fab6787b4a46d6aadd34efc502e74e4e7e3bba36f8b93f5fc12b4d9

Download Submit
/data/user/0/com.xuzewavuhahi.xomi/app_DynamicOptDex/Ky.json

Filesize
1.5MB

MD5
e473f94a807afbcadec69f9a7d0b0eb0

SHA1
be5d9637420e2ed44b63443ee43ac5e1863beb42

SHA256
f8432dd80ec113fd2bb3a8e17441bd012910b4bfbbb6b06c8306571f16b030b0

SHA512
98311a4cf40cab144840fb924804fffd1b8d76bbd69eaea7aa0746ed86e8aff096efde5793a15a25fb127cf53d2f24af16baec88bb7c0937d2dfab0eea581fed

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads