Overview

overview

10

Static

static

6

f581b0af04...ee.apk

android-9-x86

10

f581b0af04...ee.apk

android-13-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    05-11-2024 22:10

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General

  • Target

    f581b0af04e99d82832446c61211036681da2101bdd80d4bcbbd2ff7c2e677ee.apk

  • Size

    2.4MB

  • MD5

    9139c001efe6f717da7db91431b0802a

  • SHA1

    b72392c731884c85fc5642674b5f8e55a6261d27

  • SHA256

    f581b0af04e99d82832446c61211036681da2101bdd80d4bcbbd2ff7c2e677ee

  • SHA512

    728f5fb371d26af93307bc6f729344b1c5a000d346c10e7d735f1c06a4c74b32ef1aca6e57da3b3cd0d2c9eca52e2ba1e66c03af0708c69e702aaeeea7680f26

  • SSDEEP

    49152:kYlbYOI9nzb8HLSgjS+MIOj8dw/IeSAcs1uM+yCQwp0DpH+CRvkkiX0m7tEuGR:5x0nzbySjjMvetcs1uuhwp+pHHqkcw

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
rc4.plain

Extracted

Family

octo

C2

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.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
  • 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.thousanddecideb
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • 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:4264

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.thousanddecideb/cache/ctguhhjd
    Filesize

    2.3MB

    MD5

    7bfbd6525e32a2793cf9c0916fdd39f5

    SHA1

    d84aeb31480d6e430ceb4941c4098cbcd1cb0cc6

    SHA256

    27e7ce9ee22454c89f26b88535bf28a7b25e5bd632ac5e165ab51e3b745ba8c6

    SHA512

    7b542604bb235439afd0a07ac7a9b10c423dd7b7f0c0e98ed6bf2d5e9e04d71a60f68e73b665dcef0cd0c2e6468dad2c00f92d176e7d6c1a3637573d208c54a3

    Download Submit

  • /data/data/com.thousanddecideb/cache/oat/ctguhhjd.cur.prof
    Filesize

    375B

    MD5

    1d1d23bd7cf65da677857ee38cdb0414

    SHA1

    37bcb3ead3cb34bbfac6e2c14c4f775b6d4d2ae6

    SHA256

    b6676d4a36488577e7c741153262cd73b9343a66c898dc09b8334926f5c89fb7

    SHA512

    a62c88fc9f13e087a78a4a12b2b567b32c44db8c64c9ab8b7576005b2104a6163689e29b8274c13dd33161be231e7a066d4ed1462e383ff9441b3451014a0f7a

    Download Submit