Overview

overview

10

Static

static

6

0f2d432a69...49.apk

android-9-x86

10

0f2d432a69...49.apk

android-10-x64

10

0f2d432a69...49.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    185s
  • 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
    07/08/2024, 22:09

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General

  • Target

    0f2d432a696f149181f7345b1662aa66c8afca70b41bc9c85b2d7c6634142949.apk

  • Size

    4.9MB

  • MD5

    acabd40f1b648a85d436b66051e956ef

  • SHA1

    946356509ab3ecf8a188f41a5341c173067765bc

  • SHA256

    0f2d432a696f149181f7345b1662aa66c8afca70b41bc9c85b2d7c6634142949

  • SHA512

    83028ab602c2a660a77e770a8d311690c6605b1694052d65ab49ac4d1264be29fd1aa48ac387b3c0ccad639ee10e3053f9bd54d8cc4307a0ff872d015850afca

  • SSDEEP

    98304:5DLAThoeWVq6EiHQnNC0fDWuAHkPM2mrRH5XbxaUqtUQ08tKYNbLIemcFU:53IVWVzHQNjauE0M2gRH5XbKrtHS

Score
10/10
nexusbankercollectioncredential_accessdiscoveryevasionexecutioninfostealerpersistencestealthtrojan

Malware Config

Extracted

Family

nexus

C2

http://45.143.138.133

http://gecebizimhaberlerdeizle.co.vu/

http://haberasanbizdenozelgundem.co.vu/

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 9 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.alert.castle
    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:4250
    • /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.alert.castle/app_DynamicOptDex/uZdhso.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.alert.castle/app_DynamicOptDex/oat/x86/uZdhso.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4280

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

Loading Replay Monitor...

Downloads

  • /data/data/com.alert.castle/app_DynamicOptDex/oat/uZdhso.json.cur.prof
    Filesize

    2KB

    MD5

    bb37610bbb15f568f3350bea510e47f9

    SHA1

    1dcc4f3baca18dac76249718e2d3534590b08c4e

    SHA256

    af383997dc9851b55627cf9a531c67e8a07a7a6e732393c0b28acb0cf6279792

    SHA512

    b7e570663bfee676a7b654f0cf3bc540f77564f3fe51a5da496ca7502ad7d938e5420eca91c19fa105a5716c08223550d2ede34988cf345f8a86f0e08a8d629d

    Download Submit

  • /data/data/com.alert.castle/app_DynamicOptDex/oat/uZdhso.json.cur.prof
    Filesize

    2KB

    MD5

    8aabf865864451d5939e8e9a28f41f46

    SHA1

    3b54e4538387c0ee759d021696c22a93ea665cac

    SHA256

    7e97b8b4b37591aa76ca07ebc859c60887f101aa04505fc8700ea2754354a646

    SHA512

    627d762b6c53fad625f880bd7568905cf34e7d67f48c9a7008490c2cf07200e178abd408bf76537831985668d266104c1136597ea543e2ca3f2c1a07a9e626fb

    Download Submit

  • /data/data/com.alert.castle/app_DynamicOptDex/oat/uZdhso.json.cur.prof
    Filesize

    2KB

    MD5

    87dd0f7d7a9823704c4accf2d4cb25de

    SHA1

    8438aa06ab725854ef7305b5b5b8968d48ef7d89

    SHA256

    efb9eba643678843c5f4d4d11bedb6befbe13cf33b07ff7f33d709e51822628b

    SHA512

    67986ab8f1e53b8164c2e1c040899c06ff7f02adea2b4abef7a82a440404e5f5e420605cb303020151b767f83db788fa4c4dbcc873c544fb8cd52e5fa0c2f5cb

    Download Submit

  • /data/data/com.alert.castle/app_DynamicOptDex/oat/uZdhso.json.cur.prof
    Filesize

    2KB

    MD5

    77c511edffdd522821fa2d08c9002a5a

    SHA1

    21d84c0d9d8334202192c7d60a37d308e67022e8

    SHA256

    9fb6dba994d0a7c06e7123619284b67ec21b2394d61183cfac5c59703eb32d16

    SHA512

    f32f247f70ba645531e7caf7dce62b6f171d1141b6d94b3f7593deee165c15379f398355cc23899209a5380f952f345a417bef170ebc08bda6908a397ed71cbd

    Download Submit

  • /data/data/com.alert.castle/app_DynamicOptDex/uZdhso.json
    Filesize

    2.2MB

    MD5

    efa90868a21fc81acd2487e42b63ed58

    SHA1

    27c0d7361b8442938e05b5244a42c56ba0565aff

    SHA256

    153f2a70151c465b6fa00babe61d55b6a3e25d22eb96c40194f06242feacff5f

    SHA512

    4ef0f056c76fbecc12c88c4d21a99d0f2ef27cd9fdb1e47cd3257629db6ef81dc91033a27cb2550b85c06d44dae72ecff552e7e4a19ee0dd06577fb8cb5d0c4f

    Download Submit

  • /data/data/com.alert.castle/app_DynamicOptDex/uZdhso.json
    Filesize

    2.2MB

    MD5

    eb68d6d89a6b39127bc645fa320c79e8

    SHA1

    fea1bc7be40e9b0c34a291dd36294f50fcf92b3e

    SHA256

    45ad8acf5bf7b86c38fbeee3e7b2301f1eaa5fe397a572a4bf6309eedd746285

    SHA512

    b0951befc046ba75c47dec9d1f37307cba9d8ef57bc3c578c84f95dccff968d2ff2b6198cdd139d8439ca3cd65b27419f051e8f140813811f628d00bed24540a

    Download Submit

  • /data/data/com.alert.castle/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.alert.castle/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    c2ed66630519540d5683394fa1635280

    SHA1

    30f6ada6b3fff2ef8588a70bd2958d68d59c4af3

    SHA256

    ab93a67d170183f5df177868b0972088a444187de8d80322bc02409127569793

    SHA512

    31d2516e8b16979152096ee16c40ecb21963f1262bc4ebcab419d687f89da67e473bf02d13149bec93bbb4d9bb0ee7d018d5a64814ec95703a266b68bde8fbe3

    Download Submit

  • /data/data/com.alert.castle/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.alert.castle/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    f9304c2bc403e206a94f42f9c7025574

    SHA1

    d11e2beda68fdfde629b3886f58d66dcc8977dcf

    SHA256

    17e0392ad544458d8b686b986cb5a5a2db8ba650856a9a614050daa22df087d0

    SHA512

    1148816e4e15e232935c3b2803c87995a1b2370f3a0bd018eb651bbb42a7c74e44d4c0af12bc9f32848303d2e2e087b8500bf58194f7d17a9b7fc6b3c7d83b7c

    Download Submit

  • /data/data/com.alert.castle/no_backup/androidx.work.workdb-wal
    Filesize

    221KB

    MD5

    fefe5c8e61f5f7c86841971dab1a3ed6

    SHA1

    6589a469216e7f9eff2da61c364f8b698d522364

    SHA256

    a4736dd07250c24e6e968109bc99d429c49754c493c3cb940bafb49245c289a0

    SHA512

    f4bee6b2a3f2f48d52a4a0f7c938b1f2a71de971f09d578d8392af1aa12edb218ab66ea2ee32b9e6d6c7cf3c704b267f8016a43ed93eb5e69448649a1e8e163b

    Download Submit

  • /data/data/com.alert.castle/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    7e09c4b6d1908ad6e7aaa1710f4bb91d

    SHA1

    4aa3dcbc57846b17c3b5ee135e9a1335a25bf6e2

    SHA256

    cad4946e22d68f64b9b4250d1696e642a231e89d036558a6f5f3c073761d5710

    SHA512

    605234be3846deb7b6098ec9a6ba94e6d81e8e8d3408daa486593878c28c66bb9950a080205067c75d7bc17b62b3db00794b522c0f674ac9299ce03a584e4d90

    Download Submit

  • /data/user/0/com.alert.castle/app_DynamicOptDex/uZdhso.json
    Filesize

    6.1MB

    MD5

    add5b7471d87fb142d3603450a2baa98

    SHA1

    5afcd44f7c0175dc3d0f3a81be765b67dd2fc7c0

    SHA256

    cd05290b3124ccd3400a9efcb2f2a609b74676d2476eff7ff63d91bc6322e792

    SHA512

    1d3fb67e93052500671e084c8dcda1b06bbce63015faa86408f2ba85e517ad2f94c34cfdda4e211d7485bcb78c787bf769be8c0ed91141dfbb966125291343aa

    Download Submit

  • /data/user/0/com.alert.castle/app_DynamicOptDex/uZdhso.json
    Filesize

    6.1MB

    MD5

    802a753d1ffbc857c8b91fb91d8eb890

    SHA1

    64cf4cc4d7feab9004a275fd6a05cadf93917cf7

    SHA256

    ba641a60a99e49f0e0870eaf0ea0d550171108981eec64ff2516b332e28ec839

    SHA512

    5492e875c4cb9135a18d5f20e64359507133493c5bfc3e7dcaf281f750148538dc8b073ad435f314141dbf7c1e8cc5acb2950ad34d4f6865591215343fee2501

    Download Submit