Overview

overview

10

Static

static

6

55ce04247c...d5.apk

android-9-x86

10

55ce04247c...d5.apk

android-13-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    android-13_x64
  • resource
    android-33-x64-arm64-20240910-en
  • resource tags

    arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
  • submitted
    12/11/2024, 22:18

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General

  • Target
    55ce04247cd98362cfd010a76c32b61c97ef62b5e6c76ba9b44a2abd24e210d5.apk
  • Size 561KB
  • Sample241112-18cfeasern
  • SHA256 55ce04247cd98362cfd010a76c32b61c97ef62b5e6c76ba9b44a2abd24e210d5
  • MD5 SHA1 SHA512 SSDEEP
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 1 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
  • 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.nevercountry4
    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:4514

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ymhhmpclesoc.cur.prof
        • Path /data/data/com.nevercountry4/cache/oat/ymhhmpclesoc.cur.prof
        • Size 387B
        • SHA256 69e4bdbddcc5b7c90330162e8ff46443b7b6d5a2d949cb9ef0c7bd62b50d05ee
        • MD5 SHA1 SHA512
        Submit Download

        ymhhmpclesoc
        • Path /data/data/com.nevercountry4/cache/ymhhmpclesoc
        • Size 449KB
        • SHA256 6255c507a1aa5b0711967ba75bcdac4cef4b2feb3a23f050f12944bec6396d6c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download