Overview

overview

10

Static

static

6

c8ec56e1ca...47.apk

android-9-x86

10

c8ec56e1ca...47.apk

android-11-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    134s
  • 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
    29-10-2024 22:04

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General

  • Target

    c8ec56e1ca7ece45cf7bc202a983d7a7353a13c968547dcb3d264f42c15a2947.apk

  • Size

    561KB

  • MD5

    b4a81b70b318c34811936f9a4b2b752e

  • SHA1

    baad8e0813e89de62b16a07cda4d54b2666915d9

  • SHA256

    c8ec56e1ca7ece45cf7bc202a983d7a7353a13c968547dcb3d264f42c15a2947

  • SHA512

    bb45050ce88b012bc02dcffe8e47d38aca4d7cba19ef9b8865724f4b85d9022115859510e7ba0bc85d3dc56889f444c61494a25a87247c54e2bf0be4eadb423a

  • SSDEEP

    12288:362Ul+ZYkcg2OZqcPo7xjyd6iqWu28ChFLjediu/z6/0nW:362UUZ9ycA7MwlDClS/zVnW

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://hepsinezipala4esdim52.com/YzM1YThkNDFkNmQ0/

https://hersenbo67saaaeldai548.com/YzM1YThkNDFkNmQ0/

https://alayinag45idaesaesr5454.com/YzM1YThkNDFkNmQ0/

https://neadamsin45mdeaayaq.com/YzM1YThkNDFkNmQ0/

https://hepsi010malltim21.com/YzM1YThkNDFkNmQ0/
rc4.plain

Extracted

Family

octo

C2

https://hepsinezipala4esdim52.com/YzM1YThkNDFkNmQ0/

https://hersenbo67saaaeldai548.com/YzM1YThkNDFkNmQ0/

https://alayinag45idaesaesr5454.com/YzM1YThkNDFkNmQ0/

https://neadamsin45mdeaayaq.com/YzM1YThkNDFkNmQ0/

https://hepsi010malltim21.com/YzM1YThkNDFkNmQ0/
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 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 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.severalblue3
    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).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4662

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.severalblue3/cache/ilbwu
    Filesize

    449KB

    MD5

    9512d20419464e8e234a5076d7b43b9f

    SHA1

    fa7016c36b62039d21999d0c10c3f8884d8f8371

    SHA256

    90fb751d7e98e9a6d3555a2a33f7bd162b90418b24cae3511f75443bf83ce135

    SHA512

    8bca746cf02a233ac0ec6f458af99f9f801899f2a973e1f3cda46360ed029c5b8311277b519437bfeef2b26da9076873d13c02d54921d23a67c8c490e6596ad7

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  • /data/data/com.severalblue3/cache/oat/ilbwu.cur.prof
    Filesize

    306B

    MD5

    83d8e2ce3f1d0516962dd1e92adde639

    SHA1

    a13b437d83778d473a2574dd2f65e27ed4f175fd

    SHA256

    1b4cf5ecbc78044a653699806edf83da234a328f3f68e761da11cd889895ae6d

    SHA512

    64b44881df569a65677e8a7573cd4c340de33c4e12a73cb97cc96d9694ef558f89ce9c401b244f2fb555c1a7d62bb6a61f9c958a1f28eaf5eb94b05ee6562428

    Download Submit