ermac | 7c2cda3b77b484079af1befae1d9554b025af1ca159da99a62bbfbd5fb51b300

Analysis

max time kernel
28s
max time network
183s
platform
android_x64
resource
android-x64-20240611.1-en
resource tags

androidarch:x64arch:x86image:android-x64-20240611.1-enlocale:en-usos:android-10-x64system
submitted
19-06-2024 22:18

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General

Target

7c2cda3b77b484079af1befae1d9554b025af1ca159da99a62bbfbd5fb51b300.apk
Size

1.4MB
MD5

5a0591c31da2d2b20118bc16c4698c0a
SHA1

1ed5da21fb4bb5cda23045472c1d989d093be6d1
SHA256

7c2cda3b77b484079af1befae1d9554b025af1ca159da99a62bbfbd5fb51b300
SHA512

a50e92bfb98d34430ebcd78d5cd026d1b1e44f0b33ae339ad9a72733e8686204096a7f739e580d763746a4bcab90eefbfb2349b0806a63ef74f108881710a2b4
SSDEEP

24576:mkopFfVA7ttINY8xgLPbyIa86q6gPQ2dJp++ReNJSyOMAx5ZyW1:WDfGtINYZmDJqvQ2f76EcuZD1

Score

10^/10

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

Malware Config

Extracted

Family

ermac

AES_key

Extracted

Family

hook

AES_key

Signatures

Ermac
An Android banking trojan first seen in July 2021.
banker trojan infostealer ermac

Ermac2 payload 1 IoCs

resource	yara_rule
behavioral2/files/fstream-1.dat	family_ermac2

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.ranixebovura.delasawa/app_ded/2cFoytwg3yBiBP785ToYKqrXLXJvHKxt.dex	5043	com.ranixebovura.delasawa
/data/user/0/com.ranixebovura.delasawa/app_ded/2cFoytwg3yBiBP785ToYKqrXLXJvHKxt.dex	5043	com.ranixebovura.delasawa

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.ranixebovura.delasawa
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.ranixebovura.delasawa
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.ranixebovura.delasawa

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.ranixebovura.delasawa

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.ranixebovura.delasawa

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.ranixebovura.delasawa

Performs UI accessibility actions on behalf of the user 1 TTPs 1 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.ranixebovura.delasawa

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.ranixebovura.delasawa

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.ranixebovura.delasawa

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.ranixebovura.delasawa

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.ranixebovura.delasawa

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.ranixebovura.delasawa

com.ranixebovura.delasawa
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- 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)
PID:5043

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

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

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Downloads

/data/data/com.ranixebovura.delasawa/app_ded/2cFoytwg3yBiBP785ToYKqrXLXJvHKxt.dex

Filesize
1.5MB

MD5
30e4337aa68709c8f6ce01b80152e81d

SHA1
0a5ca096e3b56b6bdb8c2a001389a20ac2fe74b2

SHA256
7019c6bfd4a49e1fd27aab97bcd586ffa244c3c68401cdd8b07925b6e68c7f52

SHA512
879d2cba8a8914439f5f4960e778472a721c5b2162fff98a480bb9af7b9f08a4914d766c84f20e789123d219975bcd1bc21c24a8d7bdfd9b7a18dda7bc86ab4a

Download Submit
/data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
bfd27192127fe60c1dfebffabea0a11f

SHA1
67c640b89acc26da48cb38d675fdedf6680b99db

SHA256
a9119cda5c486f5b7b162ccf71c61fd051ba21e453dd9f725eb44db87f2bd9f3

SHA512
cb961f8b9afda418ee880af545f3ddda506ad9d173dd6383b5f334b427924b5e85241bb6323f45806088ec3adcbf79cb47aeb1dc79a483f88b0cdfbc46e50d6c

Download Submit
/data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
b2097827a761a3cfd4878ae4ebbb6392

SHA1
38c76615ddee1cbf7a1763594f2531570523620e

SHA256
e0e0f959283c21002aa327991903bb8618011c0b3899ca68ba65bc6a83509724

SHA512
8f932f38cdbfe0befbcb8d9809199cdb7c7bf1879dbf601269eace5ea881cd551971a20ebad0095fbbe1e93698da61625689177ca2422ab926b4540e938b7bd7

Download Submit
/data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
c1f03ad206e8bf3fd7b19a87b0ea29a1

SHA1
432f11d971ec136e3d168c0afd4f9325d9278c83

SHA256
96662437e9294d2c5a3f6dcad4cced68f8730cdf509ef80520178301baba3edb

SHA512
07773c9702b07dc83a80d6782162ec60bb77372da55a26722961a87eba4eb07a7d318ac4817735557e44672136c8a39670099cb1419ee0385d9d0fee4658b62f

Download Submit
/data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
f67052ebfb1adb37a81c0b605d4f56e1

SHA1
bf7182cfbebd26b6464abbb18ba2b990b4da6818

SHA256
ed1d6f21043d49e1fb30a1e6d26246b81f74cefff0a2414f9081ddc910e596a8

SHA512
fdb170086c47a393b8d5c6d77fad46189650a33f79903cefd7f7ff5b73eb9f7c096878d7112730ccf7cb7cbd00189d32589c0071182cc4ad9ea0f4a3a98c495f

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads