Overview

overview

10

Static

static

6

f1db585bf4...96.apk

android-9-x86

10

f1db585bf4...96.apk

android-13-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    93s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    05-11-2024 17:47

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General

  • Target

    f1db585bf49c0702877fc062aa8f469755d9049a3e98bd11d037d5c9c6ce5e96.apk

  • Size

    2.4MB

  • MD5

    8efe9d3dc12b9698f8a9391bfab18753

  • SHA1

    5fed224ccd3ca48b7332724ed8e2e9d331abb339

  • SHA256

    f1db585bf49c0702877fc062aa8f469755d9049a3e98bd11d037d5c9c6ce5e96

  • SHA512

    587eb0ada7e87bc9b52cf01e17d096a703a91a7532f32e8acfb5d0d9c54d01df0efd1521bd22f675e2924a5cff06947eca1cd15cac29b152cab10bde7015f5f4

  • SSDEEP

    49152:x39Oyd8gLECiBStCbyQx1PBuH2sc7HIWlGYZiw2fSMUNGdScOy8q96eK:32gY4UbzucNdZiw2f1Uwd/8m6b

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

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

Extracted

Family

octo

C2

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.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.amongwarmlkza
    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:4338

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.amongwarmlkza/cache/ntjdpoat
    Filesize

    2.3MB

    MD5

    b8fd9b839e47295a71bf5a0d6fbfffa7

    SHA1

    bef35e27e6593ef93768fef3766ac2980c1a5e24

    SHA256

    4ab6d2f489522f5f2794b55132f8e7c86cbb3346e32dcb56b4d9aa5f257ffc41

    SHA512

    d760637074459893fe3100c0cb3cfb3c469c0d13b69f2b7924671505b5e64f09ea8bf0984d587b4a7f62bf4bdacdc2fd209f070ef316bacfebad8c71251e421c

    Download Submit

  • /data/data/com.amongwarmlkza/cache/oat/ntjdpoat.cur.prof
    Filesize

    418B

    MD5

    6ea286f2f5a9e6e1e49b522239b4ce69

    SHA1

    92e2c81fd190187e228b5bff5710e6a92f043a77

    SHA256

    136f5dad16802597fbd3fce31987e74bbdd7173afe7b9580203dec314167bd54

    SHA512

    9360db809d7baada18993b3ed6bc1fd7e351281079ca955094b800398b1ebaf47235fcea06dec980ea25d4d1e333d4943be2f5f908d4b8617ea1a413e0f14eaa

    Download Submit