Overview

overview

10

Static

static

6

51ea1d72d1...b4.apk

android-9-x86

10

51ea1d72d1...b4.apk

android-11-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    136s
  • platform
    android_x86
  • resource
    android-x86-arm-20240611.1-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240611.1-enlocale:en-usos:android-9-x86system
  • submitted
    18-06-2024 22:18

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General

  • Target

    51ea1d72d18b198ad84c934a2857a55afbb220e4688d0c4fce44c654c469feb4.apk

  • Size

    509KB

  • MD5

    911878dab99d57bac8e03635c899e42c

  • SHA1

    a4bcdcef3bdb21b3b253091951aec281d9d92580

  • SHA256

    51ea1d72d18b198ad84c934a2857a55afbb220e4688d0c4fce44c654c469feb4

  • SHA512

    49953eb13f2695045185b4d53168028a8f0c7ab71e104c249926282fa21f945a516888861906f62d57b56c6b2cceb2db8bad10aa67c47a9895725b2ea9451f59

  • SSDEEP

    12288:RCAl/HawWbju9jVkqPamk/821dPAfKmPnJ:AkSvbjuQqg11WfjPnJ

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://biricruelidurdursunn.com/YzRmZmJjZTg1ZmVj/

https://gurcistancruell33.com/YzRmZmJjZTg1ZmVj/

https://cruelveblack32.com/YzRmZmJjZTg1ZmVj/

https://cruelgurcistandaaaa42.com/YzRmZmJjZTg1ZmVj/

https://lalagkcvagurcuuuu.com/YzRmZmJjZTg1ZmVj/

https://biricruelidurdursunloo.com/YzRmZmJjZTg1ZmVj/
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.mycarry49
    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:4237

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.mycarry49/cache/hqdtsgxwfcheo
    Filesize

    448KB

    MD5

    a5dcbcc33610478010738891b6b02970

    SHA1

    24c7de75e2e06dcf867ea68f7814bf44f21c3e27

    SHA256

    9d60bbb040b85072f4ce57e4d0cb898025b847b0eeb547ed3ea7192a65f07f22

    SHA512

    ef03bb64df8c721a51a5a247356dd29d18422704325eb3688c6600417aed68ec9dcb83742f7160745d49fa04958611500fe0602fd0eb2463473b222cc443dc9d

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  • /data/data/com.mycarry49/cache/oat/hqdtsgxwfcheo.cur.prof
    Filesize

    482B

    MD5

    f65d144878d7c5d14fb216d9aaca0142

    SHA1

    504cccf89115275d8d1d88a62e3fac101b755a38

    SHA256

    500cef01b680ca94953d4fccd785bec3cba37105b65cadf12f91323edbac7ba1

    SHA512

    0d4d24f24582f63f2e9ae039c670a0502aa50e22378c73ca768f6f4acdfe31cf5a815f8fdd72deb88553a96b5f8cca0e93a33d14762e7aee74eb658cd1c93b0e

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