Overview

overview

10

Static

static

6

8514cb79f2...2a.apk

android-9-x86

10

Analysis

  • max time kernel
    22s
  • max time network
    34s
  • 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
    16-12-2024 02:57

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General

  • Target

    8514cb79f28e5cc964fad0ca69265b370d2b67d4cbb170bc5fd64baea2a30e2a.apk

  • Size

    7.9MB

  • MD5

    f0118ab978d8f576fe236b9be190a7cd

  • SHA1

    28b12f541a40874bb042e4a51d6afde3aaaad21e

  • SHA256

    8514cb79f28e5cc964fad0ca69265b370d2b67d4cbb170bc5fd64baea2a30e2a

  • SHA512

    b8f91b6bbba1ee60ebd904719b4f0a396f73c691b8915a03f228e74b22e013920518a28b1964c6b55f5398b1f6cbef9d1feb9393308b300c04fbf25584f2d779

  • SSDEEP

    98304:EIKgO/AEtIYdaOnFYaVKxnKp7Wj7b5iSRGPa8RsVrnA5YVBvl5VJBkMD:9Oxt9YaUJqKj7brMRqGuBvl/

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

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
  • 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 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.ygms4_sve
    1⤵
    • 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:4268
    • /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.ygms4_sve/app_lunar/hgxm.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ygms4_sve/app_lunar/oat/x86/hgxm.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4296

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

2
T1633

System Checks

2
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.ygms4_sve/.global.com.ygms4_sve
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.ygms4_sve/app_lunar/hgxm.json
    Filesize

    1009B

    MD5

    7c1875a9c8cbd809ac6f4e75b98527ab

    SHA1

    7543eab1ad9ad8de28e865fe9351ba4152892192

    SHA256

    4b159a7237dd66bf039ce2c388a4bf87ed5c14205f561e7ea733f055d2009af5

    SHA512

    b4f624347c2ae40583615bb034051f702c241fe7d1d50087ea460dd4d4151c539850f7f01c88e4beed52b5c0c1029dff37a5cddb5a614d171b76b2cd0ef33dc4

    Download Submit

  • /data/data/com.ygms4_sve/app_lunar/hgxm.json
    Filesize

    1009B

    MD5

    dcc0dbaa372f147d60eb5a9413189be6

    SHA1

    a2a4dba9a90f46ee242133b6967c867fe9a96388

    SHA256

    4cf355695e41ec3962fc2ae411b41e364a4e83b761ce335557d76ba2a600f34e

    SHA512

    46795eaf929a4e006f2f90746dca44609b7748bd6db21ba9a97ebc5b2d6d7f80a4ac2e2e8224b9307bbcebedfc26aa345bb3def1c4c1b932ee5703f1023ef8d2

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  • /data/data/com.ygms4_sve/files/.n
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

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  • /data/user/0/com.ygms4_sve/app_lunar/hgxm.json
    Filesize

    1KB

    MD5

    88f920891a6e1ad741538f13db1ba452

    SHA1

    a946e7ab140a2fe470c32331754c8f7b988d8ce5

    SHA256

    7ddf6d02bdffbe8988bdef3831fe8444130ad386e411f249e9dd6a731d24f2f6

    SHA512

    41438ecd4070b5a63ccd2f3ad9978e15d323365b195878d698313a839d2992386be24e6ae85d59b31e5d6ff1a0267f69bb5c49dd2dbdcaa0c05c61b753bd8050

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  • /data/user/0/com.ygms4_sve/app_lunar/hgxm.json
    Filesize

    1KB

    MD5

    9d9a985c2b2a2637b57057353ac206c0

    SHA1

    330dab5c248c00adf8c405d5177b58ab8f7c0a6b

    SHA256

    cf828ce523fc5e5501ce21013ce5aa49fbb78b5646fb6cdc98fcbe954960d766

    SHA512

    c9811f4dfed8aba98f1de043028bbbb2bb59744d82873189d094d97866da51b80dd9131d44bbca905e6aa8964bd80b147306efffce6a733c64e592ea916923ba

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  • Anonymous-DexFile@0xc8df8000-0xc8e7b480
    Filesize

    525KB

    MD5

    63e34adb91aee0727b325add6f3a7272

    SHA1

    5aa8784d1465c9b1f9d8859d0a16e0c33754899a

    SHA256

    3382fab1711b71485353175dc029698ff39f413dcbf86da68ebb137a162bb598

    SHA512

    ac283a98cacd39635225a911f2d74b82dc2cace9f834e7161a3eeb73198882b09481e5085fc4f13a9a54471402d90348e4b266dc20e995ed5855e1333ba5907a

    Download Submit