Overview

overview

10

Static

static

6

78c5c23047...1b.apk

android-9-x86

10

78c5c23047...1b.apk

android-10-x64

10

78c5c23047...1b.apk

android-11-x64

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    17-11-2024 22:11

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General

  • Target

    78c5c230477976295b8508469786d7f33280f70d8849267883a6fa814bc3b11b.apk

  • Size

    1.5MB

  • MD5

    19cd63772bc13d491919aee543298401

  • SHA1

    d690e9cebd3b6ea0dcbedb2d3ea7b7f188b67b80

  • SHA256

    78c5c230477976295b8508469786d7f33280f70d8849267883a6fa814bc3b11b

  • SHA512

    68d5a16398eda2a9ba670b040ee9d5e5062ba711ec84e851ac79807aa9ee97903f0633623d58640088ffb8600aaaa8b5ed2842476c5500aa5dd6dca905707464

  • SSDEEP

    49152:lTNsIlJOt01liY0mwmBnk7NTJA6V620Djjuq:lTNsIlJqoliD9mwTJA6V620Dl

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://154.216.17.184

AES_key
AES_key

Extracted

Family

hook

C2

http://154.216.17.184

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac family
    ermac
  • Ermac2 payload 2 IoCs
  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Hook family
    hook
  • Loads dropped Dex/Jar 1 TTPs 3 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
  • 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 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
  • 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 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • 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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • 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.

    executionpersistence
  • 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.dehodigipuhixoyi.mafuko
    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)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • 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:4253
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.dehodigipuhixoyi.mafuko/app_ded/d5iKu8fezZ3PvsNWKMSJhYfAaGclKcsi.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.dehodigipuhixoyi.mafuko/app_ded/oat/x86/d5iKu8fezZ3PvsNWKMSJhYfAaGclKcsi.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4279
    • rm -r/data/user/0/com.dehodigipuhixoyi.mafuko/app_ded/d5iKu8fezZ3PvsNWKMSJhYfAaGclKcsi.dex
      2⤵
        PID:4303
      • rm -r/data/user/0/com.dehodigipuhixoyi.mafuko/app_ded/oat/x86/d5iKu8fezZ3PvsNWKMSJhYfAaGclKcsi.odex
        2⤵
          PID:4317
        • rm -r/data/user/0/com.dehodigipuhixoyi.mafuko/app_ded/oat/x86/d5iKu8fezZ3PvsNWKMSJhYfAaGclKcsi.vdex
          2⤵
            PID:4336

        Network

        MITRE ATT&CK Mobile v15

        Initial Access

        Execution

        Scheduled Task/Job

        1
        T1603

        Persistence

        Event Triggered Execution

        1
        T1624

        Broadcast Receivers

        1
        T1624.001

        Foreground Persistence

        1
        T1541

        Scheduled Task/Job

        1
        T1603

        Privilege Escalation

        Defense Evasion

        Download New Code at Runtime

        1
        T1407

        Foreground Persistence

        1
        T1541

        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

        Access Notifications

        1
        T1517

        Input Capture

        2
        T1417

        GUI Input Capture

        1
        T1417.002

        Keylogging

        1
        T1417.001

        Discovery

        Process Discovery

        1
        T1424

        Software Discovery

        1
        T1418

        Security Software Discovery

        1
        T1418.001

        System Information Discovery

        2
        T1426

        System Network Configuration Discovery

        3
        T1422

        System Network Connections Discovery

        1
        T1421

        Lateral Movement

        Collection

        Access Notifications

        1
        T1517

        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

        Input Injection

        1
        T1516

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • /data/data/com.dehodigipuhixoyi.mafuko/app_ded/d5iKu8fezZ3PvsNWKMSJhYfAaGclKcsi.dex
          Filesize

          2.4MB

          MD5

          045e4e73db5555605a1fc50a4f948b7a

          SHA1

          30142730b8d855318004d19aead85c323867d319

          SHA256

          98d9e9d7c8820f1f227adfac211633d561561f1199725fa1c72ff2429d828a22

          SHA512

          df095607cab0ddcfb735e2b4ec1c595eaf87ce64571632f4eff5be57dc5b3e1fbb76f6194d59f155624bf5c672c3165a6f9cc58422796543af8bb8dd82db441c

          Download Submit

        • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb
          Filesize

          4KB

          MD5

          f2b4b0190b9f384ca885f0c8c9b14700

          SHA1

          934ff2646757b5b6e7f20f6a0aa76c7f995d9361

          SHA256

          0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

          SHA512

          ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

          Download Submit

        • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-journal
          Filesize

          512B

          MD5

          961a052fd86eeb5ceab653138886d417

          SHA1

          c2372ee5889754bffcef51a275d179b4b8f588d6

          SHA256

          98b904e6fad4e239a04bc82bd2282348bdcf6ec615d15ab4726fd2a737d5274c

          SHA512

          f4ad57093d082d35f24c9d8e463d286b75fe0f08c43cf9e50ef6ceaefe9f80f354ddf8b76e5cd5f32d1e81e0dfdf92cc66c7a47a296c0329237e344356bdf56d

          Download Submit

        • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-shm
          Filesize

          32KB

          MD5

          bb7df04e1b0a2570657527a7e108ae23

          SHA1

          5188431849b4613152fd7bdba6a3ff0a4fd6424b

          SHA256

          c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

          SHA512

          768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

          Download Submit

        • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-wal
          Filesize

          173KB

          MD5

          d5c8478916ce3637f8b6738fe3094cfe

          SHA1

          705e00c274d7e2e952fa9c0750bc16cb24004da7

          SHA256

          822e0c463d9264265ee74caedcd7b2524c697c85a10c4f4e806d9aa45becb7d1

          SHA512

          ceeb5461e0aa4aedaf06683a8f834a4254dabc3570bfcd02d4dbd10c000d2d2ed73e9376e02075000092599a0e29256fc40ed6957ae2312a9297d6c51b4ecb60

          Download Submit

        • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-wal
          Filesize

          16KB

          MD5

          c15b4ad5615da0751d4efa1e39a78930

          SHA1

          b8ff4416e12961c000a5dc35eeb07ef35a01c0d5

          SHA256

          ec26ac0bc47b5e5bcb4a2309c9549c31f4b51022204e172c19052f049fd2c56d

          SHA512

          5e836a8008a76f71901af5f936382060e9db32ccab68b4536042e297b0f4409e502ab4fcd177293874edc3945117aa2c4d27d859a1081f56de3453868aa30e99

          Download Submit

        • /data/data/com.dehodigipuhixoyi.mafuko/no_backup/androidx.work.workdb-wal
          Filesize

          108KB

          MD5

          8ac33adcd35fcb0ba514877020194e3b

          SHA1

          d92f4e694e22f4576ed33900e8e784c6366bebb4

          SHA256

          2c2c1577555819b031e5003a313f7832541c807e72fd3090eb434271627861f8

          SHA512

          87ba6959af1dd7d6923cd7b3914f2db51fbc7a94c4d4ca64eb7b1d9181a52fa5d72e62e21b63a6d8e37eaf7bddb5dac69289695bda74a222459aff40101b35a7

          Download Submit

        • /data/user/0/com.dehodigipuhixoyi.mafuko/app_ded/d5iKu8fezZ3PvsNWKMSJhYfAaGclKcsi.dex
          Filesize

          2.4MB

          MD5

          28a2defd940c2cd0e5f117781662c618

          SHA1

          a76ee080a836227d186c2dbd9bdb279586b8e0bf

          SHA256

          a21efeace6afd678485163ce086e372343469e0d39f6312d34cb5f4e71b308dd

          SHA512

          0b52a776a5fed0f7d26811a15ee0d641b785f669130e1b4cfa5e93232263eba96e4453ed106fc0f91087a25955e577576aa8aa2dd8c26784ef93eef0a2f20cf5

          Download Submit