Overview

overview

10

Static

static

6

3463bba03f...5d.apk

android-9-x86

10

3463bba03f...5d.apk

android-10-x64

10

3463bba03f...5d.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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
    20-09-2024 22:12

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General

  • Target

    3463bba03f7462cf23da29831ce69643a895c0925b3bf46a596e99f92020485d.apk

  • Size

    4.8MB

  • MD5

    db81b2219bdfb926428a8186b7d2ea56

  • SHA1

    83f36d09723151c1480361cdf1c57dd24aff0bdd

  • SHA256

    3463bba03f7462cf23da29831ce69643a895c0925b3bf46a596e99f92020485d

  • SHA512

    7c15df9fcf38e605cf147b4ef65acf0dc1063d2f6ba5ac92f1a842197fd0ddd714dc7e6d0e5a75ae4d22a6f16e7d26e5d0ec8518e10411751c0afbd2a5130d76

  • SSDEEP

    98304:N+M/s+sJjmALGRiUXb1MK+bemf6wsbHok1Vm7z6oNNsV1OUmT+DEHAytd0EZLFk:Mh+2pizXRM5LNJgnoQPO7K5ac

Score
10/10
nexusbankercollectioncredential_accessdiscoveryevasionexecutioninfostealerpersistencestealthtrojan

Malware Config

Extracted

Family

nexus

C2

http://109.206.243.54

http://109.206.243.55

Signatures

  • Nexus

    Nexus is an Android banking trojan related to the SOVA banking trojan.

    bankertrojaninfostealernexus
  • Removes its main activity from the application launcher 1 TTPs 2 IoCs
    stealthtrojanevasion
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
    evasion
  • 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 2 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 account information for other applications stored on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect account information stored on the device.

    collection
  • Reads the contacts stored on the device. 1 TTPs 1 IoCs
    collection
  • Acquires the wake lock 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries information about active data network 1 TTPs 1 IoCs
    discovery
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • 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
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.machine.easily
    1⤵
    • Removes its main activity from the application launcher
    • Checks Android system properties for emulator presence.
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries account information for other applications stored on the device
    • Reads the contacts stored 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 active data network
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Checks CPU information
    • Checks memory information
    PID:4246
    • /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.machine.easily/app_DynamicOptDex/Tdt.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.machine.easily/app_DynamicOptDex/oat/x86/Tdt.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4270

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

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

3
T1633

System Checks

3
T1633.001

Credential Access

Access Notifications

1
T1517

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

1
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

Protected User Data

1
T1636

Contact List

1
T1636.003

Screen Capture

1
T1513

Stored Application Data

1
T1409

Command and Control

Exfiltration

Impact

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.machine.easily/app_DynamicOptDex/Tdt.json
    Filesize

    2.2MB

    MD5

    66847dd8909c63e501f5accb10f603da

    SHA1

    5b6c9f9d331930f62c9ce153899869929693a8b0

    SHA256

    c0d4c929866bcbf89bcc243561f9f3d8501ecb28aa7cb3dffcf5d401f0c0d64a

    SHA512

    68722fffa54d8ae523182ec9af8457996bd8d07bba1cee097d9ffc6ee3f4b8542bf8d7a7529c7c91eddd792fec7282b9ceab2006ae19b716c554c6b0dcfe0033

    Download Submit

  • /data/data/com.machine.easily/app_DynamicOptDex/Tdt.json
    Filesize

    2.2MB

    MD5

    359ac4212288a3b52589868734d75fb0

    SHA1

    0fab0b48260b1acc7aab74fcc9bfa0d0302a2292

    SHA256

    c91eeac469d2f41f06659edda118f739b44d2b10321dc7d294c77fe4846815f8

    SHA512

    06b61216ab1bb43d3b4aae2f26062ef7987a4c128b493f5b93f224cf2dd063760c40b21bed0b1e5046f4e416bce86d5f312304bbd663b01f73a603e6dfd4fe9f

    Download Submit

  • /data/data/com.machine.easily/app_DynamicOptDex/oat/Tdt.json.cur.prof
    Filesize

    2KB

    MD5

    d931159689cd176d0294ff05e42db7d7

    SHA1

    131ceceb495375fe998661ce7109e5929a747c18

    SHA256

    4716d9b819584d58326fe3328c3f7a79c40531d7317e7d51ceece0cef7c0cf7b

    SHA512

    102afae321139e80c454f1edc3ab0b2cc6347910de50b106eff1b6ee11d545d2f61c7460172a88a7153646948592217519174d089ff87dc345a005fcbb2104de

    Download Submit

  • /data/data/com.machine.easily/app_DynamicOptDex/oat/Tdt.json.cur.prof
    Filesize

    2KB

    MD5

    8b0bac661b9bc043b97c0b19003d9b97

    SHA1

    6aa3902d484217a11ca7c62d00d3b0bcaaa4ee13

    SHA256

    f1c764f93ec61724e139365efee99f55f9afca092e17340b820ca45525c2c614

    SHA512

    3d3bb92531934eda5c743ab8d70aa6381487da8d92ce9787e4ef35df05e5f28cf6731f378590233193c05db9c54f6029c826170af4be9fd9789797cd4908557c

    Download Submit

  • /data/data/com.machine.easily/app_DynamicOptDex/oat/Tdt.json.cur.prof
    Filesize

    2KB

    MD5

    edc69a9fd4d9e9cc11c88abc61b2e72f

    SHA1

    18f96efde0524fbb4fe94dc6056b0386a1abcd4e

    SHA256

    cad7bb25d561d5113524a9a4c0e219976e644fbe94fa22c810986b62539b43bb

    SHA512

    b221af2af355127cda55afd4fdd85af41c7520dc3a634779a41864c2c3a4832ef79afa3ba1ae2741db91d650b6c2a4687878f26c9c292b93338cb9f6af3624e4

    Download Submit

  • /data/data/com.machine.easily/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.machine.easily/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    2262e2e0da59eb0019cde23441233893

    SHA1

    01a2b3eb3b63a3268fc80afcde2f2f947af6a548

    SHA256

    75bbf7f3e300910ebca14583ae77b30c82fdb64a136f5cf6f6b231ef6fa6b316

    SHA512

    b46072d850dfc015ca77e72bf7064dcd2d0a468147d5141f0b2ee0b26a601bec2ad1f80e6d50221e29a62cabd064b0ec7362c3a185356f90115fff7f854a8d19

    Download Submit

  • /data/data/com.machine.easily/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.machine.easily/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    a4192346ac4ee2732ca987a84b400b0a

    SHA1

    64dfae8bfd5315ee6d36ac8043808057863eec53

    SHA256

    da6a4a03c5f66f766ed1ed6b964f460de856fbeb15e806a89dea1f3bdd12a264

    SHA512

    53172c262bff9b10318df242f3272ed29f6639032c5fc41e460249604189d2fe2c4cc596a9eff50d144f95d1bd846d69c368a51b8526be3c358724e8bd05709b

    Download Submit

  • /data/data/com.machine.easily/no_backup/androidx.work.workdb-wal
    Filesize

    229KB

    MD5

    4dc1df21b4b918692e7a959d1aebe758

    SHA1

    cf61c977860c2d0888ce5b5a18e1f86e6f490bd6

    SHA256

    fd93b205bf1ec65c1c57d64ee8abf99a2726972b3783736bc41f9ebc31573cd2

    SHA512

    ed66b592a6ff037ab938e50931a908bef897ef67f5b854eca200f45b6093a7d8c06823a01c87a02bfdf461dfa01cab47aab9ba4627b1ef7e5a32d35bceaae87d

    Download Submit

  • /data/data/com.machine.easily/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    ee92ff18f7590b65723c7de2628fca3e

    SHA1

    c8cdfbedad71a1769f32eefffa732a175ced3a57

    SHA256

    19939949ab8f9561ad2a6dc7036acdec9b8cce33da6d2ca8d1e064698465f3b2

    SHA512

    23e5f3df3926bdc192a2021981993fcb5cbabf11c961e14f1edd1081469ddbcc78ee68b2f373b876697b160a275543659cec69145dbff44a39690f7faee5e7d7

    Download Submit

  • /data/user/0/com.machine.easily/app_DynamicOptDex/Tdt.json
    Filesize

    6.1MB

    MD5

    321b842e73eeb382065a6a9eee9d2462

    SHA1

    4530168202c720dfa562813c9fe202c240707538

    SHA256

    2ea38053a2a606cb8557675be9ad144a4f960e79bf4c0e4f6f394f9ba00d2590

    SHA512

    9f3e9e76b4aedbe85e0cb477ec2b5a37ac923477f20b92eec398acc3e434ddbde7af2fcb47fb69eb85f0cba05629e9765e1d5cac8729535a4f077a255a4ee160

    Download Submit

  • /data/user/0/com.machine.easily/app_DynamicOptDex/Tdt.json
    Filesize

    6.1MB

    MD5

    0c1db3674754c44e368139d9563a5632

    SHA1

    f14d6c43da9158fbb817a7becd460897f8ad483e

    SHA256

    cd7e5696a7eae1f69df25d0617dc87696880ebf83a64cd1920cb4051e5e30c8a

    SHA512

    252d15da07d538b4cd6dcc3f91b00770e71af6762b3337800f43f9da2afc59381e626704ea3d62ba43eab0d60a99c4f6930daeae017860aeec1be76f5a52307d

    Download Submit