Overview

overview

10

Static

static

6

34bb8a7d5e...18.apk

android-9-x86

10

34bb8a7d5e...18.apk

android-13-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    148s
  • 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
    29-10-2024 22:03

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General

  • Target

    34bb8a7d5e72a822ab40ac02ef35abddfb5374476bb67d495b5d78614434eb18.apk

  • Size

    561KB

  • MD5

    a3537562d28e56a918bc42b4a4f68031

  • SHA1

    cb8a14341e15e061ae5845f05a3110b5557fd387

  • SHA256

    34bb8a7d5e72a822ab40ac02ef35abddfb5374476bb67d495b5d78614434eb18

  • SHA512

    a1c8ea2feb4f8725d814e6c02f79d837f85a525ede58893f58f62c8da7eb724efa8dbf377891382d1c9e2c71fb82d125b19089b9ec4571dba032a76481fc1b4f

  • SSDEEP

    12288:9RachU/0qMAbFuEBfr/HtSuzJZxV/taK8IXooT8nR345+thpgMCVRsK2:9RachU/qAbFNdHzJLV/1x468Ro5+thpX

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
rc4.plain

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.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.letlaughrfxj
    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:4253

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.letlaughrfxj/cache/kczgt
    Filesize

    449KB

    MD5

    5a958967aa2be700775bbc70c931c1b2

    SHA1

    ab29fa5704632d04eecc224b71a541f1c9e122f3

    SHA256

    16b0d9cae4c6eb45e8c033a5431c0eeafd17e0655fd91bcab92780c37fbf547b

    SHA512

    c88a094b308ab10f20de837cfa2475f7be75cafe0e90ea83edbee321bcc99c1c0aeb80e203785377c1fad9535e13e727c9cb23273eb3d4833d0cad3a3a2e6b36

    Download Submit

  • /data/data/com.letlaughrfxj/cache/oat/kczgt.cur.prof
    Filesize

    472B

    MD5

    2aead8795ba3baf5c57a83567d3471a7

    SHA1

    261343ce4926eadf76e19d9daae045f352f99d4f

    SHA256

    2a51e839e7ff06adbe9aed35988b1e98fa8a88d85dc98b5b502dc2c5a0828c6b

    SHA512

    c91fa0bad512e9d125c2f4581496b3aa27958616a8a5940ef8829544b5716c82981286a429d214d9e267e5e3f46de991528233fe47970c898ead0a36805aa194

    Download Submit