Overview

overview

10

Static

static

6

bb6c5457ac...a3.apk

android-9-x86

10

bb6c5457ac...a3.apk

android-11-x64

10

Analysis

  • max time kernel
    48s
  • max time network
    176s
  • 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
    24-06-2024 18:03

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General

  • Target

    bb6c5457ac12c616cf2a36d7a513e6c9ec01b9b112260db8280eb388007ac9a3.apk

  • Size

    509KB

  • MD5

    58b06e51c90ae6ad766fe1e0b7f44a29

  • SHA1

    5b8498b1c89bbb012df8dbca5cf7f35fab1e373e

  • SHA256

    bb6c5457ac12c616cf2a36d7a513e6c9ec01b9b112260db8280eb388007ac9a3

  • SHA512

    d04b5e323e36ddccb567fb6b93d4def7b4a029fa8837cec57789734c028ed2ebcac3564608a61c4b3ff31a32d2db458a4ae4ab444ea0836939a924aab3669d9a

  • SSDEEP

    12288:MnnWEFzOvLwtBs5qCtMeXQ9bhtdZmWkjwgnK/:r6OY+HtMeXQ9DXmWQFnK/

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://mamudoilekeyfyap.com/YzBlNzk4NmVlZDA0/

https://mamudoiledostadogru.com/YzBlNzk4NmVlZDA0/

https://sigaracokhojdur1.com/YzBlNzk4NmVlZDA0/

https://günde5paketsigaraiciyom1.com/YzBlNzk4NmVlZDA0/

https://dertlikaygisiz04.com/YzBlNzk4NmVlZDA0/

https://kaygisizamamutlu04.com/YzBlNzk4NmVlZDA0/
AES_key

Signatures

  • Octo

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

    bankertrojaninfostealerratocto
  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • 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 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
  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • 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 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
  • Requests modifying system settings. 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

Processes

  • com.classwork09
    1⤵
    • Removes its main activity from the application launcher
    • 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
    • Performs UI accessibility actions on behalf of the user
    • 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).
    • Requests modifying system settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4266

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.classwork09/cache/iyevqftvkxba
    Filesize

    448KB

    MD5

    74cc3874535c0f564e5e3080ad7a4f75

    SHA1

    e08403aa5ae5ef1506831ff67df340bf891910cf

    SHA256

    851e1f56e10c27a34e11a0ea60163cde884aba8a4c3c4f5bab4571ff2ee1f5e5

    SHA512

    cc65270bfd84a89f233fb31d30c3894b32d7e0e7daf1feb21bdf6713796521da14deb5b025ae0e27c05653b23911897988e3dabf4d9b534e44b60ec52f41e886

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  • /data/data/com.classwork09/cache/oat/iyevqftvkxba.cur.prof
    Filesize

    473B

    MD5

    5638b1745b487042d0d1f1b08271c48c

    SHA1

    fe9a8c979f7a7bf8a19f9efd1fdf0136f4723063

    SHA256

    d5a7704b76d309db6972d87232cd826a5f6b8bfd75f77e660dba7cccd0ccd226

    SHA512

    804b452fb663a6b95332cf1574e6139ad312590649c7c333562abaf39d28060df0cbe21cb91f4dde440329dff8069e75b0a03c477204e3f08448d184d1d6c3fa

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