Overview

overview

10

Static

static

6

0a42ab6887...c9.apk

android-9-x86

10

0a42ab6887...c9.apk

android-11-x64

10

Analysis

  • max time kernel
    58s
  • 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
    29-06-2024 22:00

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General

  • Target

    0a42ab6887815857fdaaf0275a2f2c57532fa763bd13e1e4fe466e474a2cdac9.apk

  • Size

    509KB

  • MD5

    eb4721735a12e2bac8846079c5fbc06b

  • SHA1

    5e7888e4f3de977827d91597966ed48d69d8ba45

  • SHA256

    0a42ab6887815857fdaaf0275a2f2c57532fa763bd13e1e4fe466e474a2cdac9

  • SHA512

    f7cb546e9e539de1efed6be2572c276fdcab6613ad59a963fbce82422787f5b7f958b0caa50ef35fd8db81ae5bdc41feec834938ef3892976a717e9f7cd96bb3

  • SSDEEP

    12288:KcWdLyUp54OTyxah92rbNoPXc+8VkUZkiadp9bPHanKI:KcWd2sROwh92rGPp8VkUaz9T6nKI

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.doorwent82
    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:4257

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.doorwent82/cache/oat/ykupphtiqb.cur.prof
    Filesize

    460B

    MD5

    26f9dbf863ea1c8cc4de0c859ead6bce

    SHA1

    fa0ea5250882d6fc457e0b5053922fd9b7fe5484

    SHA256

    7e156ddfbe3cffedf6830d846f51a34968ed1523cd4ab5e0abf3ced710957323

    SHA512

    39034ea1213c450c4611384f133f5cbd15cc65f13ebe45190b1d27ed362c13006d22b91f44bed8dbc071a6cae66ffe4f19b9518677fe21a245d03133562e6131

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  • /data/data/com.doorwent82/cache/ykupphtiqb
    Filesize

    448KB

    MD5

    8c952a0a3fbd41cae9892f319b16832c

    SHA1

    b09571e00d0998140863b6049c87107e84d335c4

    SHA256

    c46ddc0138114c6193993157ff1d429f78a5f4a4fbea9c6be713332b3e2548c1

    SHA512

    a1bcc7579c3743628aadcbc0ab11a545600baaf8a6e6089ef69f49c71231a839395d29f35fac05115a2dea7c150ef92a21f035a6ea71c27aa66c32ffcb39f0de

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