Overview

overview

10

Static

static

6

2947377c88...b6.apk

android-9-x86

10

2947377c88...b6.apk

android-10-x64

10

2947377c88...b6.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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
    30-12-2024 22:00

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General

  • Target

    2947377c8888b686cf37ac1a8789def6e6a6975b4ccf93a3897aba98f08c93b6.apk

  • Size

    4.1MB

  • MD5

    83c87f074b21e1df0e65bc0cd8a57dda

  • SHA1

    3b2ee27b573370e2cc1b8e958af14afff51c9b35

  • SHA256

    2947377c8888b686cf37ac1a8789def6e6a6975b4ccf93a3897aba98f08c93b6

  • SHA512

    5de6df06c004fa616c24d724a15e5b176243bf85879f99ddcefb6394a11c28a75e5736f5dff72de8d6857cdd9c6b8889234433ecc0fcd25be6b0a03df13b490f

  • SSDEEP

    98304:mlWRgc3l1EHBkeWGq34ziYHfgo9oWRLAKyNStVxAu8AuIufuMuCpO:vRgc3l1EHBkeWGq34ziC4QXLPlxFufLS

Score
10/10
ermacbankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencestealthtrojan

Malware Config

Extracted

Family

ermac

C2

http://154.216.20.225:3434

DES_key
AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac family
    ermac
  • Ermac2 payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • 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.

    collectioncredential_accessimpact
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • 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.

    evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 11 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.qgadcaabs.ffjyadvjk
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4786

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

2
T1628

Suppress Application Icon

1
T1628.001

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Clipboard Data

1
T1414

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Information Discovery

2
T1426

System Network Configuration Discovery

3
T1422

Lateral Movement

Collection

Clipboard Data

1
T1414

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Data Manipulation

1
T1641

Transmitted Data Manipulation

1
T1641.001

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.qgadcaabs.ffjyadvjk/app_dex/classes.dex
    Filesize

    900KB

    MD5

    bb53ef764bbc70ed67c53ef39a6fb329

    SHA1

    9d0052840b0898232638de27a8f6cf7871ec00cc

    SHA256

    2a0434b9a6f26e54b8d9b29a17e6adad003b4b41fea22fa5ad80927e53d45082

    SHA512

    48a9e97ab8c69471a5f1b63dcd5866fa2b52d97742901db0de3f390df800bb5eeb14fd08af10a640b93fb08aad62eff5561763d81b8e76b9a4b858427fb82b82

    Download Submit

  • /data/data/com.qgadcaabs.ffjyadvjk/cache/classes.dex
    Filesize

    443KB

    MD5

    88279ef7ce79bd81b0065c48080795d2

    SHA1

    0695f5349170e55fbfe8615ee40e8f6a3ff74659

    SHA256

    10b4e2a34ba9dc8df17673084e7379e80421971dd344ab5a52ce722b492e8136

    SHA512

    89e18d0b88aed87bab7f185ab69182e89327333735e0d956c78a7c3c36c38b5ac06613bfc29eb58e3f3837ec0106dccfaee405d60834468ff6afa491134b51fc

    Download Submit

  • /data/data/com.qgadcaabs.ffjyadvjk/cache/classes.zip
    Filesize

    443KB

    MD5

    a9ef5231328c5989e6b55b03c7c75c85

    SHA1

    10964a7f65a222111989fa687cf6c9cdb3c9897d

    SHA256

    b7605bce61ccfd9c1aa8b79589c5d0bcc366476a918fe1ced4ef6c2d306cde9a

    SHA512

    bd05f25c8c9b457076e5acedf2b7364ddfadbf4fb05ceb1b48230138df0c79ac80cb95ed257676fb03a5dc2c111d82d5e15b33135909eb534ddf146646881045

    Download Submit