ermac | abce8bd54a83e5f633f5a7ed768eded74763f881470d1a56a6dbee9545fbb76a

Analysis

max time kernel
38s
max time network
155s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
11-09-2024 22:05

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General

Target

abce8bd54a83e5f633f5a7ed768eded74763f881470d1a56a6dbee9545fbb76a.apk
Size

2.7MB
MD5

84f816175428997fd2050de418ed3ca6
SHA1

da5470ac14ed550890f6adeaacfeb01697cb7f13
SHA256

abce8bd54a83e5f633f5a7ed768eded74763f881470d1a56a6dbee9545fbb76a
SHA512

e18e4ee586a838feab6e28841390039822c3d6d5c2df14abb77534a38acbc83207bb4d8b73679a7e8b0ccd59268f37cfdd83c172364418ce73609930c1d8c90e
SSDEEP

49152:/cDtt4uNL5PR1mJ2Lg8C4yW2Z+Ng8DfH8cjBbnyEG3/s:OttPzmX4oQdD8cjVx

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/memory/4944-0.dex	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 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.feboramudima.dubave/app_DynamicOptDex/IfMx.json	4944	com.feboramudima.dubave

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.findAccessibilityNodeInfosByText	com.feboramudima.dubave
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.feboramudima.dubave
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

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.feboramudima.dubave

com.feboramudima.dubave
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:4944

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

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Downloads

/data/data/com.feboramudima.dubave/app_DynamicOptDex/IfMx.json

Filesize
675KB

MD5
1dd0cb79dfaed9d876b7d13bf0917859

SHA1
563c649bf72a7b80ba2747c16e9150b8048c68f1

SHA256
920f853645bd2606739ea627d3ca592351f03780b04d3504f7991675b958251d

SHA512
f071645891698959a109e476325b6361ef580fbc2ab4b306a2a6c55149e24c4b159d5d6f5f442b08789f14732c826dd5f1edb2e12c88df3c2e2cf9e587274ec6

Download Submit
/data/data/com.feboramudima.dubave/app_DynamicOptDex/IfMx.json

Filesize
675KB

MD5
cea17bedea880e352f7971e2a8a529d3

SHA1
3a76ffad1aea54a54d622b5a345068398b9cef45

SHA256
5fa3781affc534371d7c1c256b8f902cfc8c0dd2f94be1ec1bc10111f1365a41

SHA512
c499d8c46ac217efdcd27eb4da9a5985962d8ea076ccfb3114dd5c51d118c4ddea96608b030981b6ccf301c0914525f1161d2005de609beef7100eefa100411e

Download Submit
/data/data/com.feboramudima.dubave/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.feboramudima.dubave/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
acf86389656d6d8cccca736a4ec6dd55

SHA1
ba96eba5e5a0ae9b0745c86611549ce8323e8714

SHA256
c42533607988b495b23b119cb6e958ae8915a0533349d6f8bd523e29d0b704a2

SHA512
35a8e95be7d034d98dca0f516cd9801cdecf612785e0169486929c7a300b929ad36beabd8037d166d3da553457079816791ea3c531c3687839862dc7a830f29d

Download Submit
/data/data/com.feboramudima.dubave/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.feboramudima.dubave/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
9162ba404c61cdddf97cfac342ce532b

SHA1
37aa24181ec43ca9a16bf77fdc8c8e22ed0cf31c

SHA256
c32d4c86fdd661268e06d2429a3df489d2e44e7fe2f36af7599d3b281f9bfb2d

SHA512
0abd5d1224afd808b5a11db4684a6a52f38186f4f13487226dfdf06a1c397c62706b0a41c9532131734b2158fdadab6a840ab65d0080238913c3ea8c0c9da212

Download Submit
/data/data/com.feboramudima.dubave/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
b812e0381a7d259ed98e4a9e099b865c

SHA1
230eeac6a04a55d8ad02af91e926f8c308f07c3a

SHA256
1627e5275d80ef742708489fa9094ab51e00831b077550728082bcd2349b0968

SHA512
e7c93a27352e8c9a8466d551a43c08570e3f53737c27c5d3d7f7f41b1034d8ee7e63dc96ebb27bc4d167063e56913f1083cca98be372b76c7e67d20c6c12d539

Download Submit
/data/data/com.feboramudima.dubave/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
872ab2d582e2519f91c3bb8b27f4d429

SHA1
967c395009d3a62971374c4a39066a87a2dc9adc

SHA256
95f609a343daf57c41d3878131cc5635011e4a7425176102e07ca2d7df52608c

SHA512
f78b3c26c758d8f76d59a6e9f81ed33ce8bf268cfe7905b3bdd6fabc5d8820ba0986afe168f19aae8a824571002bc6e3a3b785563e5ed6674c59c835f8a0e457

Download Submit
/data/user/0/com.feboramudima.dubave/app_DynamicOptDex/IfMx.json

Filesize
1.5MB

MD5
45b8130deaa1b09ac8ab73cffc282cce

SHA1
1ef7d3bc07c5b9cb31c2e2afcd5e02f8cf0a00a7

SHA256
129550d8ca6c44d0137d3bcd4400aa73717491edf183448579ffe3456ced8c86

SHA512
49fb2ab47def95deb1a4479fd6df5c1def4d3abeb134e53aba3dea1506e9395d57e72362bd0ba3662604d19fe5264967d7d58f59329ba506c2fde62eed1e6ee3

Download Submit

Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads