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Overview

overview

10

Static

static

6

c408f44076...40.apk

android-9-x86

10

c408f44076...40.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    12/11/2024, 22:14

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General

  • Target

    c408f44076aae38bd904307752ee8283a949fc5b4a66d70947260b1b50e4b540.apk

  • Size

    561KB

  • MD5

    e5a23a8f7a990e2625066372f667fb68

  • SHA1

    de478659087bf4556f4cf335c4f2afcf4f02ab56

  • SHA256

    c408f44076aae38bd904307752ee8283a949fc5b4a66d70947260b1b50e4b540

  • SHA512

    9d480ccc2d9b9789e51abc3ac6d783c8ae4fc41829f57f96d27dfe30a1e713094aaf10cae1a748be65505ca89e6b8dcf2f327ac65157bab744736689bf0837c5

  • SSDEEP

    12288:Ol8TbssGsgUDJVyZZbSZeRBJ2iJK1B2zda:OkssGsgUD6XhjJ2iJsx

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://32pethsop332.com/YmZiMzU0OTU5NGIz/

https://52pethsop332.com/YmZiMzU0OTU5NGIz/

https://66pethsop332.com/YmZiMzU0OTU5NGIz/

https://76pethsop332.com/YmZiMzU0OTU5NGIz/

https://86pethsop3532.com/YmZiMzU0OTU5NGIz/

https://766pethsop3232.com/YmZiMzU0OTU5NGIz/

https://756pethsop3312.com/YmZiMzU0OTU5NGIz/
rc4.plain

Extracted

Family

octo

C2

https://32pethsop332.com/YmZiMzU0OTU5NGIz/

https://52pethsop332.com/YmZiMzU0OTU5NGIz/

https://66pethsop332.com/YmZiMzU0OTU5NGIz/

https://76pethsop332.com/YmZiMzU0OTU5NGIz/

https://86pethsop3532.com/YmZiMzU0OTU5NGIz/

https://766pethsop3232.com/YmZiMzU0OTU5NGIz/

https://756pethsop3312.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
  • 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
  • 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.familylarge36
    1⤵
    • 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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4435

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.familylarge36/cache/oat/tewnxspniskqrdg.cur.prof
    Filesize

    298B

    MD5

    1bc9600d2f082e0de4b70fdc5798335a

    SHA1

    21559e1b94fe7a4933584cb8d16b94e7b7fe64b1

    SHA256

    1f7f79edd029d1876a328c51a9aa986e74e277f3ff588e1f469fbeae92ff3c37

    SHA512

    eaf22f7490adc398a7936468c255f6ef5093c5bed3aaca92a1838ed745a561257537bfea4160ed9ecb1fef9777483f50d7ad536cf8546e1850f8d9652a618f60

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  • /data/data/com.familylarge36/cache/tewnxspniskqrdg
    Filesize

    449KB

    MD5

    e9e98d021e08b5c9f11130d5f83fd8de

    SHA1

    2caa4d373b143af5738afca7e16d80a2a3622525

    SHA256

    e302857a55b5ed7c9b12dced7d739ac3260ddc75003eb8c9616ba9a987f8bc3e

    SHA512

    86f974263fdbfab0a53f3eb9a4984792a9d8da5e1b26a02770c905f76d49206f51df3115a06816a74975619e52a887d525ea5352e4f47213aac891df436cc2f9

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