Overview

overview

10

Static

static

6

be18f3010e...a0.apk

android-9-x86

10

be18f3010e...a0.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • 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
    16-12-2024 03:24

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General

  • Target

    be18f3010e306bd592d3e8f74a92a32103d70d327e8713fefa6ff6fe748f93a0.apk

  • Size

    9.8MB

  • MD5

    639a0f6ebe233cbee4bfde6476cbd2b6

  • SHA1

    a5aff02eeb20791ae97060661833ebf516ff5a03

  • SHA256

    be18f3010e306bd592d3e8f74a92a32103d70d327e8713fefa6ff6fe748f93a0

  • SHA512

    747e5d9dd17861a87bc23ead43e215569b43548bedd88fde0adae4613ab6181b744725bb03120699009d413772d25cb8cef2f18f3b1ad48fb478598c751dab89

  • SSDEEP

    98304:SSdbx90p/IRwJB2xCZ2jcOc5QY6F/S91Rsu5iSRGmTcS3XIVKdH:SSdf2gRwex1xDYR1rHh3XIUp

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://dcbafa46fded53ee7a98b8deeb3b88a9.xyz

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.psound9_wide
    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:4266
    • /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.psound9_wide/app_champion/nBWtxaO.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.psound9_wide/app_champion/oat/x86/nBWtxaO.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4291

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.psound9_wide/.global.com.psound9_wide
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.psound9_wide/app_champion/nBWtxaO.json
    Filesize

    1003B

    MD5

    6709fa3bcde649d5cb94065301121d2a

    SHA1

    925f25172c9aa62c1b23f41c13372661aa816a7f

    SHA256

    ca1e7e1a51dd860e74685f231dbab8df49ccb7f444ed1f6f00efe36e76e97270

    SHA512

    236ab0f24d0d2ea34e69be09662b1db3c2fb43a6de45c1767609e1c1c5326ef5ec0b92abf34d512223d6d0632795a45ad8b702a79ebfd8a4de5e4b1c8824139f

    Download Submit

  • /data/data/com.psound9_wide/app_champion/nBWtxaO.json
    Filesize

    1003B

    MD5

    9a66fa4fe4ff0e824baf4f33292e6f8b

    SHA1

    0f14e67d08b3ff104243eef55d2d57edba14ffba

    SHA256

    0b2b7632e5ddb0befe680cc779afe24672680b5a82483093655fd4b2a5bf2ffe

    SHA512

    d0d2af93f0a1f458b5807acf77ad1f32f6271900cd5159d5e913f5dfc2d01638c26f9edb1518adf90d56651e006e33063b21923bf1e1477e34264dd83b440b0e

    Download Submit

  • /data/data/com.psound9_wide/files/.x
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.psound9_wide/app_champion/nBWtxaO.json
    Filesize

    1KB

    MD5

    cf71b6b77452beff2c3d6fbdedaa825a

    SHA1

    5c9e2e6222c7e523c2274f734c8c5dd2c97ab61e

    SHA256

    f3fcea71cec0fc27c9e09839b1055fd43364a84c42428cfd5a82017ad1c88414

    SHA512

    f536828349ebb94d37bc65303d499a808b6a45d7b21041c780dc74cdc13b71d33a9ec940e4f5c9ae9ea3242c7412dabef9a8e1894c4620a2a4e2a753d1b86537

    Download Submit

  • /data/user/0/com.psound9_wide/app_champion/nBWtxaO.json
    Filesize

    1KB

    MD5

    f186d01660e12091011158cc43dc4298

    SHA1

    279da35a42cf7ba40515912b3294ea9c634f60d2

    SHA256

    2181348134348a9de6f77773b0d934667c69ea78e86c4afe856aa77d3bfe3d69

    SHA512

    3a8fd884cba24bbd0d310b6356c05baba2a799f6cc9310b1a31d70a11d560080c9d72b7e75c6846ef2cf981893a424f3ea437eb5857cf67a058d84d648247fc5

    Download Submit

  • Anonymous-DexFile@0xd57d5000-0xd58585a4
    Filesize

    525KB

    MD5

    f7ef58377c829101329466e35d9e0400

    SHA1

    164a7a15afc8f91887c897ed7bddd4dc179d6b16

    SHA256

    4fffd30cb59153b1bbc2edd22b3b7df8f41d46fc5dc147ab6851d6f21a46de2d

    SHA512

    26d5ed0f9cbd5700e366571839ac0ed27ab08c6bde559d172ac00b8da8df3ee984dbc7f620a4060cb5d1a9e9c448f7dd0fcf2a1f331e4546b0c749fe488d0b52

    Download Submit