Overview

overview

10

Static

static

6

3dc8d51022...cb.apk

android-9-x86

10

3dc8d51022...cb.apk

android-10-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    149s
  • 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
    25-12-2024 22:06

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General

  • Target

    3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.apk

  • Size

    2.4MB

  • MD5

    88ce41617d7ad68305ef44f055e961b7

  • SHA1

    995c8f4ec336c43a3e072b16582a1a1ebea776bb

  • SHA256

    3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb

  • SHA512

    6494b087a660e963cf6eb1be710bd93d429cf3bc6e3b3a968e3b733b287a90fcedb4fad970facf92bee7ac1f5559aac4fce6fc5426255163ac65e400a51646c4

  • SSDEEP

    49152:eyTURaSLCdAGfJbX5v7AngR3irIrjdcdA3YZZRipp4Hz3wjA:D3SLCdfxD5v7AngR3P9OAIZe74T3v

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/
rc4.plain

Extracted

Family

octo

C2

https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/
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.wellpoint7
    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:4243

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.wellpoint7/cache/oat/yqlvxj.cur.prof
    Filesize

    528B

    MD5

    0eccfec0e824fe85ea365ade368d7831

    SHA1

    eba7200e8e2b224284de67d4fcf48f5dd09f7d31

    SHA256

    18d9bde3c68cd079d670f05a81a6b378243ff75fd05e8bf32bb6bd82aea44534

    SHA512

    8daf8eaa56048187097c1348d6a7d674015aacef5a98c43d60749ba249e26fd3a0996f15656ee76f0f85855ab0aee81e56f9f9bcb09fc06d53994639caddc3e4

    Download Submit

  • /data/data/com.wellpoint7/cache/yqlvxj
    Filesize

    2.3MB

    MD5

    4375c285a74d0e8ea4e938fc29cf84a4

    SHA1

    22114341ef1860ced1f3588b4d58e3e43d88981b

    SHA256

    945f3d7390cea89680bfa6397c5cf3e40f44f3909a3d9fc528586cd48619e935

    SHA512

    fca468af8ba5468f438e48bbc811d398633fdae0fc40ac9d503f22b7624151d31f73f94fb4d7fe9d33a64d64b9a9084a7d93c0c33a61de83f695515964a7c280

    Download Submit