Overview

overview

10

Static

static

6

e6b2a9bdb4...25.apk

android-9-x86

10

Analysis

  • max time kernel
    17s
  • max time network
    30s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    01-12-2024 22:14

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General

  • Target

    e6b2a9bdb4ba2f65c3cf4847ee7d99331305d89ed90f71d4141d9dd5e1386b25.apk

  • Size

    7.9MB

  • MD5

    249de921cc1ead036a8574708cc75b28

  • SHA1

    333eca9252fcf85a6a8c5e4ee61c3876c38696ad

  • SHA256

    e6b2a9bdb4ba2f65c3cf4847ee7d99331305d89ed90f71d4141d9dd5e1386b25

  • SHA512

    2f3c717b42de80e9b8d5861b4344c5cab7acc9ba1a19b4b9a6b1f4c74a711f607b797282c53fa2484bae696133588a41c7846f9ac53c87fe7a6d22223c2cef42

  • SSDEEP

    98304:nsl5iSRGaxRso+VKT1pM5uQeam5wLeceQ6cEz3cL3lpUX7C25Q1hQdgwGwc3X+XW:nKrJRQUhguN2eoA3ebUXOoQjQdKr3XAW

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

DES_key
AES_key
AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

    bankertrojaninfostealerratocto
  • Octo family
    octo
  • Octo payload 1 IoCs
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
    evasion
  • Loads dropped Dex/Jar 1 TTPs 4 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 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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • 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
  • 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.xcrane0broadcastcustomizations
    1⤵
    • Checks Android system properties for emulator presence.
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • 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)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4403
    • /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.xcrane0broadcastcustomizations/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xcrane0broadcastcustomizations/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4430

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

1
T1628

User Evasion

1
T1628.002

Input Injection

1
T1516

Virtualization/Sandbox Evasion

3
T1633

System Checks

3
T1633.001

Credential Access

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

4
T1422

Lateral Movement

Collection

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

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Downloads

  • /data/data/com.xcrane0broadcastcustomizations/.global.com.xcrane0broadcastcustomizations
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.xcrane0broadcastcustomizations/app_dex/classes.dex
    Filesize

    1KB

    MD5

    7d8bb0164d39f178d47f692fc9804fc3

    SHA1

    7ded41233de89c8f522f5910940bc71b43952834

    SHA256

    4e257b8e69a3e0b066b6f356326098d6f2eff6f182e6025d21a2539c2e5e51b3

    SHA512

    ff03533621d00f8e4a0af4e1f879ba803d200ddb32e0ec5f94957f2d1d788311915f720c8cd32edbfad5b01028a10142c6a6b32ce7cf0f4b610f3c4e00d42a1b

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  • /data/data/com.xcrane0broadcastcustomizations/cache/classes.dex
    Filesize

    1KB

    MD5

    9d7974226a25ca0899e6ff40cf87bc81

    SHA1

    f9f2b4d42c78a9052cea7e3d6f6b9194220c5acb

    SHA256

    9194e615dd92adb3cdbe81246a93d2725f1d8ec389b5f937a83705c475a41eb6

    SHA512

    1b2e6ded92cb574c26fde7c69627884a5429196d90eb305cc0952d5ca4f1e24e40ca32af982afeae2335283858a60b463a8c8005970cf0636834e99bd0ae270c

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  • /data/data/com.xcrane0broadcastcustomizations/cache/classes.zip
    Filesize

    1KB

    MD5

    55e5b151b5e8db44cf1d668db3d6d649

    SHA1

    79920bee92341615e04ff53c78e4810fdcc548a5

    SHA256

    194376817ba197e0a8efdc649f6abbc2d1618e19eb671537dd9569b4fc72fa38

    SHA512

    1fc0f262a63d1b330d8cfff7d6da6a9ae30a15e3d43dbfc95ad6ad89879953a0521011fa5d679f26decd45ec6f529e37f8e88820df78fea759af0aadfa1bd084

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  • /data/data/com.xcrane0broadcastcustomizations/files/.b
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

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  • /data/user/0/com.xcrane0broadcastcustomizations/app_dex/classes.dex
    Filesize

    1KB

    MD5

    73ccbd94d16b26f92316f0b49a90899d

    SHA1

    dc407c6e5aa6d3c50a3f1ad06ec38bc71fee5d8b

    SHA256

    b6532745201d3cb9b3be0245fac239f40469cea4c437b5a130ecae1a629a844b

    SHA512

    75a75ddca210416c5dc6efffd1e4ceee032202c2f7727bdba00abc29347c177e26416ec8650cdd72cea47a1677a6e731b01087322159ecad6c31b02e6149516d

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  • Anonymous-DexFile@0xd3f78000-0xd3ffbd24
    Filesize

    527KB

    MD5

    161f33b4f6380e1af34e13d81d51f19c

    SHA1

    f2cb94da0a7a176d86a2c5e8697e4d8f0463d27b

    SHA256

    5c2af1e1110eca188584773f8947f4faced5f15ce9c438aae228a01804558059

    SHA512

    6901ecf8d00e3efe82270ab0c870e7da4b46a52d19fa75923429233e20709ba83817a34fb9f7d5be17f043c258bc6f0230ab3cf3eb4e8c001da5b280c8297354

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