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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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

Processes:

resource yara_rule

/data/data/com.ranixebovura.delasawa/app_ded/2cFoytwg3yBiBP785ToYKqrXLXJvHKxt.dex family_ermac2
Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook

resource	yara_rule
/data/data/com.ranixebovura.delasawa/app_ded/2cFoytwg3yBiBP785ToYKqrXLXJvHKxt.dex	family_ermac2

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

T1407

Processes:

com.ranixebovura.delasawa

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

Processes:

com.ranixebovura.delasawa

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

T1424

Processes:

com.ranixebovura.delasawa

description ioc process

Framework service call android.app.IActivityManager.getRunningAppProcesses com.ranixebovura.delasawa
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

T1422
Acquires the wake lock 1 IoCs

Processes:

com.ranixebovura.delasawa

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

T1541

Processes:

com.ranixebovura.delasawa

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

T1629.001

Processes:

com.ranixebovura.delasawa

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

T1421

Processes:

com.ranixebovura.delasawa

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

T1422

Processes:

com.ranixebovura.delasawa

description ioc process

Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.ranixebovura.delasawa
Reads information about phone network operator. 1 TTPs
discovery

T1422
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
persistence

T1624.001

Processes:

com.ranixebovura.delasawa

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

T1603

Processes:

com.ranixebovura.delasawa

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

T1471

Processes:

com.ranixebovura.delasawa

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.ranixebovura.delasawa

description	ioc	process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.ranixebovura.delasawa

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.ranixebovura.delasawa

description	ioc	process
Framework service call	android.app.IActivityManager.setServiceForeground	com.ranixebovura.delasawa

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

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.ranixebovura.delasawa

description	ioc	process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.ranixebovura.delasawa

description	ioc	process
Framework service call	android.app.IActivityManager.registerReceiver	com.ranixebovura.delasawa

description	ioc	process
Framework service call	android.app.job.IJobScheduler.schedule	com.ranixebovura.delasawa

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 Matrix

Replay Monitor

Loading Replay Monitor...

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