Overview

overview

10

Static

static

6

e2dcffa9b4...c8.apk

android-9-x86

10

e2dcffa9b4...c8.apk

android-13-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    183s
  • platform
    android_x86
  • resource
    android-x86-arm-20240611.1-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240611.1-enlocale:en-usos:android-9-x86system
  • submitted
    23-06-2024 00:21

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General

  • Target

    e2dcffa9b4452ef0d3baa1877b6a668bddac2170bdbbff3496f16b20362618c8.apk

  • Size

    509KB

  • MD5

    3621af837441ffe4fb3b59d5ecb6db06

  • SHA1

    09e2762dcd03294f865feb94c2e736427a8d18b2

  • SHA256

    e2dcffa9b4452ef0d3baa1877b6a668bddac2170bdbbff3496f16b20362618c8

  • SHA512

    3e5a3549e6bf89d724a812542d03dd67dd9dce5cb458b9b51182ff7f0018bae12ef33b4995936981c3c65409d8f49fb5d592e0b3220b78f2527e88113e66e4fa

  • SSDEEP

    12288:Z0wVXoWMKFXdHDET4TXAeQ2T8NvRmZLGE:yCBnFXdHDEMd8xIZLb

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.fullbackcx
    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:4166

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.fullbackcx/cache/hetgmhfksa
    Filesize

    448KB

    MD5

    12db434b4e2ba94716a6242217a53909

    SHA1

    b92fce5391b7d6e1b82ad674b3d3f2aa0be98ce8

    SHA256

    8a05f6119584b09ca697ef2cf35274889c47a032561e1d07599f3e8416f2f8c6

    SHA512

    ea356079366ca2428dd56e0484430c4a420d11409e2798c52c11e8670b3733a86fb0a51b64eb717802a84cd4d7ed5262e8a0e120cef403c149300e7cbd99727b

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  • /data/data/com.fullbackcx/cache/oat/hetgmhfksa.cur.prof
    Filesize

    457B

    MD5

    ed5202e4d2f8500ff11714d3a16f9bc2

    SHA1

    f1a3cf4005c667b25e9eeb4f51032ba4ee1f47ab

    SHA256

    c041e525416da739965cf34189cdd0dc0c43a4f29eb498275d784e78b86059c7

    SHA512

    e3b411dd61621146e56c98bef435e18f175bd733f3269ddf87ad2bf2a69e98ab1ce1e6fe28b2850d8efc91a09c032767bf262891b527e3520a9c34796a5d1b8c

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