Overview

overview

10

Static

static

6

6a4373c579...6b.apk

android-9-x86

10

6a4373c579...6b.apk

android-10-x64

10

6a4373c579...6b.apk

android-11-x64

10

Analysis

  • max time kernel
    36s
  • max time network
    152s
  • platform
    android-10_x64
  • resource
    android-x64-20240910-en
  • resource tags

    arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
  • submitted
    11-12-2024 22:06

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General

  • Target

    6a4373c5790b06460bfa2d968db98d3cbd33a791ebf393e87fe1d934c391866b.apk

  • Size

    2.7MB

  • MD5

    9cad49661c4b6e06b938af272dbaac6e

  • SHA1

    923937c946b54b596ccd4d8d84a254089ddcb0cb

  • SHA256

    6a4373c5790b06460bfa2d968db98d3cbd33a791ebf393e87fe1d934c391866b

  • SHA512

    ca481f9f29cb1a221d0df72d20328e38729fbb18881cc61fc756551e8c2ab51a39b465d7dafad3a1c91d8980db49cdd35030c56b0bfe955cbf5ccdf210f9d8ec

  • SSDEEP

    49152:LVU0nGutqpL6S2R3CCgjXrg5oCq7L0rGbsi6U9IUnrEhiV5RTBdVFK4Z3Fzm:LVUAtqlekCOB0rGbr9/nrEhQjxjVFzm

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://154.216.19.93

AES_key

Extracted

Family

hook

C2

http://154.216.19.93

AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac family
    ermac
  • Ermac2 payload 1 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 1 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 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
  • 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.xkanezasfkass.stardetxjkc
    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
    • 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)
    • Checks CPU information
    • Checks memory information
    PID:5130

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

Clipboard Data

1
T1414

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

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.xkanezasfkass.stardetxjkc/app_humor/Eeo.json
    Filesize

    735KB

    MD5

    74a0db9f551a6ac1a2d356b51771cb40

    SHA1

    9285104f857071808bba8bfc48ec485dea3d4acd

    SHA256

    ee74c74d5f25494e9894da3e4d369dac58469d5f190f17770fb2f8d1c5003100

    SHA512

    1f1e6a48cb5401ec51473b52cd4dd194dbeaaf6ec056ce75ec8a9438a6ae9569a93d2fd6ab5c5aca5b738c05ff3b53cac2806949efd707754887177c82a4d730

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/app_humor/Eeo.json
    Filesize

    735KB

    MD5

    32165401ead484d5083bf62324ce6081

    SHA1

    e762eb85c737297d07c465e4fa64e4dcbd2b3bc0

    SHA256

    a9864db97884e59c235cb26dfd8ff4402ba5483a409112aaed88d0f57881738f

    SHA512

    e1956fa344abeb3c87c5a2d652520a6b214e7c03563a296628bf1189b5ef0826845d03311fabf74b355e7797a8510390c80a2d279d91a3cc9f6060ff92251bc2

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    b088c55d18f07d90dc9bd4b192c61326

    SHA1

    9f7bf249107f1ba9f62f9c95528c27aae441f8ad

    SHA256

    964d10bf5abf1bceb6642bf5f6c3efae9cb8145cbcdf2205c64c6742f13e6e7e

    SHA512

    47972e3e40201bdfb2a24e69bd362462de03be4db520596cbda4e3fe98ec99bd153ebf82ea07284356fbc041d673e831db103767614474038d639c2926129218

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    de312fae93d1e3186ad92c6f300fdc89

    SHA1

    dde15b21365cd89e7c6e76b262bdaaac96ff94a4

    SHA256

    04bb48b2b4f2233ab8b54584b1acc11b10cd8ffa4447c75ec77448ed2b93ded2

    SHA512

    323a54ee6e2e34e173b2cfc04c2f531e9de6d547660467883e53762b12b2c6f2f3a309911b8ead4fb5522b9125f7ceaed420393824da75f67ac547d5a6c38006

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    9fb462eeb1e1f627b2c2e67538fc352b

    SHA1

    4e18d2b4b9108117d72671fcd7e064512a22497c

    SHA256

    5e438e22fbde2da82e03f536eaee44fa661e62a6833c0a01f606f3b9b7c480a6

    SHA512

    a309865941af99a16fbc8844408ed23707a8c42c9c886f052682e2896ca96f8953b56b4efc0e9144736f9b78be51347519754b3ca2c93b6508ad2a94c2f2f485

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    3b45adb3346ebd6d4ec93bf12a6ec60c

    SHA1

    66b502801f1abaa9a9abc82f44faca166e1c1f9e

    SHA256

    9aca713d29cf62c000766b0f76e4b2c1f2bfe5a3c7076e5ed14fc8ecc7a3b89b

    SHA512

    0cc6a2ec7248a444a3076733b1dc90e44f7d8023d6e3cf7a38d068ae30bc6712be02069e794bbbf34edc9265068a83526e71607b71d61b6aa0503189ce38068d

    Download Submit

  • /data/user/0/com.xkanezasfkass.stardetxjkc/app_humor/Eeo.json
    Filesize

    1.7MB

    MD5

    29de1580836815ff1f390f899a40455e

    SHA1

    c041386504b18ca59c5f31d4ee45e655f0fa4b8c

    SHA256

    be463e222a1dd530c8f1a2fa178e4c50deb4b8bb433d7ee15d66797df6ee240f

    SHA512

    c44906800e5622cbaff66ae3b66909cc0e042d12109f99587d07f2efd7ee229fbf44bb029944be619f7a2f52129a2b8866a1c0a6f7aa68b57af6defbd64b032c

    Download Submit