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Overview

overview

10

Static

static

6

ccf8743af3...6f.apk

android-9-x86

10

ccf8743af3...6f.apk

android-13-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    147s
  • 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
    24/10/2024, 22:05

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General

  • Target

    ccf8743af31f85c3e4939fb9b3bf64ad76758494c150b650ceeb6997517f736f.apk

  • Size

    561KB

  • MD5

    bde705b75be7957d643566ec2f4f15c2

  • SHA1

    f438e2e6cd4fbbd7a2e51434d483187f2267aa74

  • SHA256

    ccf8743af31f85c3e4939fb9b3bf64ad76758494c150b650ceeb6997517f736f

  • SHA512

    c16a12b090b8101cf47b444738fd31d1f222410d6f8dc65b1f5ae3ebe76094c3a12456de42b1d4db002119faa75a8e1a542cbb2c892850e73a625ce7ad49e8f5

  • SSDEEP

    12288:f2W1AJOapGxGOb3gDzRTz2uJozVf/AoVUkl9U5XCCODb/pJall:+W1AJ9pGxz3g/RTC0ozphUq9UkDb/u

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://9230c9aeaaef65735d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://4230c9ae665d66666518e48eac59200.com/ZjA3ZDcwNDc3YWYx/

https://2230c9aeaaef6435d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://1230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0030c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://8230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0088c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/
rc4.plain

Extracted

Family

octo

C2

https://9230c9aeaaef65735d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://4230c9ae665d66666518e48eac59200.com/ZjA3ZDcwNDc3YWYx/

https://2230c9aeaaef6435d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://1230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0030c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://8230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0088c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://3gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://2gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://4gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/

https://5gjkkdfu454xcsd54.com/ZjA3ZDcwNDc3YWYx/
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.leftroundptda
    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:4256

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.leftroundptda/cache/oat/zjyxndibe.cur.prof
    Filesize

    462B

    MD5

    aae57df940589b179e0d24bd03ce7134

    SHA1

    f223fd1430b4619fa952e68ff30f4466360d4ead

    SHA256

    3bd6053108e7f206a30af9d19a457298cff8c80062e0cb28b866bf0bda59986b

    SHA512

    c7a9691cbc5fd562c5a2cc45f98904c6ba583b88b51f23dff2c6253237b36775c7caeebd2dd083e0fbc858f9304ae3e4cf5006fca579cd246b8eb1314a82e670

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  • /data/data/com.leftroundptda/cache/zjyxndibe
    Filesize

    449KB

    MD5

    ecab5f2c1f098a621df8755c482ebfa5

    SHA1

    952753502d975deed70501f6bfb2c1d3802cd126

    SHA256

    662b3a5be3802496e28b0d5475314317a0448d3660b3027111bd1538b6e5376c

    SHA512

    3143220d75f00c8bae9d496bef6bd6a8d026e1d37d777b003ba940387654aaf3915b82600bf86c020ce84559f6c715b1ba0417356ca514d0c5ea0ff6fd291cf0

    Download Submit