ermac | dbb5b90f27222070018a8e029422643a6eb61bf4de0b9855f4af25e0947a07d2

Analysis

max time kernel
147s
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
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
behavioral3/memory/4817-0.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	4817	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

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.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
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4817

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

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/user/0/com.xuzewavuhahi.xomi/app_DynamicOptDex/Ky.json

Filesize
687KB

MD5
271a83491c28ee7f01b49d1b8c3ac48b

SHA1
283cd5e7685a48a52f6ca0d0775964145d2345f9

SHA256
625c9e5cb10250ac8c591ad7b9c8700af064a0a597593720dc9a520878bd01e7

SHA512
07824035e500dfd8df43755c542fb6b068ca496b0dc5b8e839320dd3853bc97b4b0af4b642c34b7364db54fa84d97713b9f33b9dc5c4d66777c868d39acefefe

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

Filesize
687KB

MD5
ec6b9d8e16ad00340b578dbfe5f1dc6e

SHA1
030ebabcc90f78ebff9f87c3b6cfa348a50335e2

SHA256
a4725bfb6d51e2e5bae521b55e1c8c74eef85d6b3ef7a38108a7f77f125f6bc9

SHA512
c7d648061a26cc8236cff5faf8a828cbf4721ba948a79659cda5290bd2ca47673f0158b81461e91ccc7fa4c5b18c2c22acb51db5645acbe1803d827e51794933

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
/data/user/0/com.xuzewavuhahi.xomi/app_DynamicOptDex/oat/Ky.json.cur.prof

Filesize
2KB

MD5
c9ca5332187751413b433954b50be853

SHA1
d3aa261e82fde4c3a8674209bc3381be996b9724

SHA256
ad5c13c92ca8bfbf4217243f62d3291632d8df6475bb8bd0ec78a3c7371c659c

SHA512
3b7cf127bf645335cbd0ec9a0a60cd4097b0550790e7b22dc7602a8ddc3ef39852cfd5ff22e9d4cad7e03a46783958045afbe29b1a60782e68209357e4419343

Download Submit
/data/user/0/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/user/0/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
44a31f3fdc29d774a4e2958ecfa6303c

SHA1
7e4b925f24bdafc276c88ebd78a776dcc176f0a4

SHA256
ec20c0f35a6614f97e720ad24577c1881f3cd22a66d20a36df3606502fad7b19

SHA512
62bee04dec8105b5fe62352a080c57a0f385589c7f09e45aef037a6d7d9284f0c377dcd574a733eb41b5920b5e37b7def59214b74154365ffd7d943f7c412d7c

Download Submit
/data/user/0/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/user/0/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
f8e4cb611ec17156a810faf6eae98adb

SHA1
58eff36432bc3e7e99b6e7c88eadc100b7543f57

SHA256
4260798091dd9a27dae46c1a5bcdffc40bbdc58217ed4d523da6ce6c3d7cdefc

SHA512
a3b6e45fc0084fdc1dc742a157ba395bf94c55959ae69eec65031923b03410f5d91fa69014b00c7d6b2d5ff4f4feea57d588782862d787b78fe126488b598772

Download Submit
/data/user/0/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
a10ed7f43ee818992a3f2896e53a64b5

SHA1
8a5020ab812fa846f8a84e01252efe5aa8eac31b

SHA256
246f5e61fafbeeb9f7799eedcd1f8454768244d75b6809c4a36ba30a0aa5a64a

SHA512
ba0aa0011709bae80a89de1dd9c9ee3df094d829fb4ef3a7d78b9cd3cf2a6a519c3f0ee009d9cd248505a955e96eeaa73dc656bb504ef4572221465221691741

Download Submit
/data/user/0/com.xuzewavuhahi.xomi/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
d36e5f3bd47d2fd174552690ed3fc5ef

SHA1
b07d3caa7e5259bc6760eee1ca346654ec019535

SHA256
31d56409bb4f65393c32d6e254d308347c4a3bfc0eba5462e1ae144288f89a86

SHA512
eb65d2d52d61c5f6ffa45026e3e4ef094ef6e1542c74b55c386de4178ce3538380c344465686c543d02c9a84e634bcd3e3281ec4a62c5a0facd06bf4b6e88b89

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads