Overview

overview

10

Static

static

6

0a4f6e993d...da.apk

android-9-x86

10

0a4f6e993d...da.apk

android-10-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    138s
  • 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
    04-11-2024 22:04

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General

  • Target

    0a4f6e993d782b7eb1dbcbfab023bf6c7bd7d1f95735b2f2b7e39ed1295358da.apk

  • Size

    2.4MB

  • MD5

    f5ea3e6e3bb6514a5997d68092ad62f3

  • SHA1

    f3c6550f8f5bd09341db8c8396882dfad6b4ccf3

  • SHA256

    0a4f6e993d782b7eb1dbcbfab023bf6c7bd7d1f95735b2f2b7e39ed1295358da

  • SHA512

    8c2ec3328bf7c01f2750965065a6836365215552caef1b4aef289d859978cd28faecccfe415d0e9e202d49b07bae6f7deb5a187a502c705dc6fd69036201ddbd

  • SSDEEP

    49152:WJgjymorqewRl/8yWnHeCae9y1pmL437XhPVUVcLK61ywhx73Xp:JQeR5kn9Kpmm96ViKcVhxZ

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
rc4.plain

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
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
  • 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.onno4
    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:4238

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

2
T1628

Suppress Application Icon

1
T1628.001

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Credential Access

Access Notifications

1
T1517

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Network Configuration Discovery

4
T1422

Lateral Movement

Collection

Access Notifications

1
T1517

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.onno4/cache/gcofdyqqwcfv
    Filesize

    2.3MB

    MD5

    f116a1d7a45ebfe779d2b7f5c837675b

    SHA1

    1070991be64850b68a28e275b5b2bc1cba1ed884

    SHA256

    f30b46c6a2ffecb09f7cc12ed039511ff372d30311036c65e36d38a87091ea0f

    SHA512

    ae649c1be3438858f35645b82b014c1aac66deec9c3d9256679e73a7f961ebad14431478634f253ccf433f8ad757f1057881d88fb8caa2ef037b1f55fbf80adb

    Download Submit

  • /data/data/com.onno4/cache/oat/gcofdyqqwcfv.cur.prof
    Filesize

    534B

    MD5

    034b6b291e2bc481498a40261ef03605

    SHA1

    0869ba68f9bc9cd8da4e0d80ff6ee650141189af

    SHA256

    ff2340f549501b1cb2ea0a14c27011998d3d699dcec8fb4f93a2b2938d81f439

    SHA512

    848b78ac09e08c0cc715c0ce193a894b35b4b99d8ba35cd942a9a88cdf05d243715b9666b24a57b69c6f572631f678e72ddea3932cbda1dd0e80a5a22fab9ab0

    Download Submit