Analysis

  • max time kernel
    179s
  • max time network
    188s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    24-06-2024 18:03

General

  • Target

    bb6c5457ac12c616cf2a36d7a513e6c9ec01b9b112260db8280eb388007ac9a3.apk

  • Size

    509KB

  • MD5

    58b06e51c90ae6ad766fe1e0b7f44a29

  • SHA1

    5b8498b1c89bbb012df8dbca5cf7f35fab1e373e

  • SHA256

    bb6c5457ac12c616cf2a36d7a513e6c9ec01b9b112260db8280eb388007ac9a3

  • SHA512

    d04b5e323e36ddccb567fb6b93d4def7b4a029fa8837cec57789734c028ed2ebcac3564608a61c4b3ff31a32d2db458a4ae4ab444ea0836939a924aab3669d9a

  • SSDEEP

    12288:MnnWEFzOvLwtBs5qCtMeXQ9bhtdZmWkjwgnK/:r6OY+HtMeXQ9DXmWQFnK/

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.

  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.classwork09
    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
    • 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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4523

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

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

    448KB

    MD5

    74cc3874535c0f564e5e3080ad7a4f75

    SHA1

    e08403aa5ae5ef1506831ff67df340bf891910cf

    SHA256

    851e1f56e10c27a34e11a0ea60163cde884aba8a4c3c4f5bab4571ff2ee1f5e5

    SHA512

    cc65270bfd84a89f233fb31d30c3894b32d7e0e7daf1feb21bdf6713796521da14deb5b025ae0e27c05653b23911897988e3dabf4d9b534e44b60ec52f41e886

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

    308B

    MD5

    305ad105f260c22b79f103e6526bd973

    SHA1

    ea36b28c30fb97ed23d4ce3584a20d785f84eae9

    SHA256

    891572c99e1b75fb2ed6e3c16e60555ffe91fd38e854f4463934c5fdf992c714

    SHA512

    6bc9087b80cbc68fc6b80b1c43aa5faafa7840867361de64209ac04525b15d0b9f3d345513f40ae049288e7cc3eeb2a622961f198c125c9090bb2321ee1ee46f