Overview

overview

10

Static

static

6

cc0baf15ed...b6.apk

android-9-x86

10

cc0baf15ed...b6.apk

android-13-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    185s
  • 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
    30-06-2024 22:12

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General

  • Target

    cc0baf15ed7406cfd19465495b75c29e381db401188c9f14f10654da775a3ab6.apk

  • Size

    505KB

  • MD5

    9343c9fc162ca2952b61de9f3fbc49ac

  • SHA1

    d6857dd489a61101accd159bbea6ca4b4210469b

  • SHA256

    cc0baf15ed7406cfd19465495b75c29e381db401188c9f14f10654da775a3ab6

  • SHA512

    e223919b4bc5ef029f98d172c06734cc90b41aeab01ef6b6f47c1a0b11a142d3dcf36c2f7a3d3b6eb613860804978bb1aa38fc439fd75d06adb4403bdbaf25ae

  • SSDEEP

    12288:VpighaDnQHxuR9gCd5tOounxAH0fCFML3OYXCqWc24:94zAxuR9T70ouxACC6LZCqWs

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://basgaancosturuyor.com/YzBlNzk4NmVlZDA0/

https://biribasganidurdursunn.com/YzBlNzk4NmVlZDA0/

https://bassganndomaingitti.com/YzBlNzk4NmVlZDA0/

https://usomapompaliyorum.com/YzBlNzk4NmVlZDA0/

https://usomukarimyaptimbasgaaan.com/YzBlNzk4NmVlZDA0/

https://basgaaanpompaaa.com/YzBlNzk4NmVlZDA0/
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.quickletter5
    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 Matrix

Replay Monitor

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Downloads

  • /data/data/com.quickletter5/cache/ifgkabesekgqv
    Filesize

    448KB

    MD5

    56320cfe7cf4ae96fa8f2221cbd66ce7

    SHA1

    a9beaee2256f6803e7e0197e100c7db8473e087c

    SHA256

    fa5708b8740601276a5140c11ab214ac04a0217f5491f1298f84fc7713c6ba1b

    SHA512

    1df5ba046749930fb84aab260f00c137b04aa1f33826f130d91bd1431cbdc0861c9be6575f3b32f097070b17c3fe058317a6cb0c76fff9da7fe018a63785d557

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  • /data/data/com.quickletter5/cache/oat/ifgkabesekgqv.cur.prof
    Filesize

    462B

    MD5

    bbf4356545a1a0e6b57c8b6b23c4bee0

    SHA1

    f60e477aae3cc5b9f2b910fa6e076db1df8ac9ae

    SHA256

    5ff757eb7b89ec49e242d457127a43b2c1fd198fcdf3af80afc1255398297de9

    SHA512

    efdb0e4cbf908a950b6f2990ac4257898a99dcfbb3b170acd76084a995417c7a4914376e94c68427991fe46dc70c926c50679879c953eb20a6f786989abacf28

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