Overview

overview

10

Static

static

6

61f867fc58...b9.apk

android-9-x86

10

61f867fc58...b9.apk

android-13-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    150s
  • 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 22:14

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General

  • Target

    61f867fc583bfba6e73fcd68dc5b84d0cd6a9f3f98c5c73d870259f4a03da9b9.apk

  • Size

    509KB

  • MD5

    2438fb37b0c760e52136c2fece3864d3

  • SHA1

    1cc8f3c6e5914ee1b3de703829efdb525d6c39c2

  • SHA256

    61f867fc583bfba6e73fcd68dc5b84d0cd6a9f3f98c5c73d870259f4a03da9b9

  • SHA512

    a33af45fd612549a075e02b5866121ae75c41abc714f9040a1569241f59512000161d6ff890dfea39a7fe73840c1857833c63ce6bfc056441337361183c3284c

  • SSDEEP

    12288:Ym8bHKJoeYMjf20ZeF9XEo2eZZ5rHLA2hVjnzYvcNC8n6:Y1HWogjzeMeZfHL/d0vB8n6

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://mamudoilekeyfyap.com/YzBlNzk4NmVlZDA0/

https://mamudoiledostadogru.com/YzBlNzk4NmVlZDA0/

https://sigaracokhojdur1.com/YzBlNzk4NmVlZDA0/

https://günde5paketsigaraiciyom1.com/YzBlNzk4NmVlZDA0/

https://dertlikaygisiz04.com/YzBlNzk4NmVlZDA0/

https://kaygisizamamutlu04.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.paperfeelet
    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:4167

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.paperfeelet/cache/oat/swlpao.cur.prof
    Filesize

    454B

    MD5

    80d9d17874564b075d9fee6afe637822

    SHA1

    0a63ab5ba285158ffff0f270d0612330c3a84af1

    SHA256

    e8b5fc3c7337bd4c651b3674593442d649aca858288d43ca79684a62576d5095

    SHA512

    6198ca50e7a9a5e6c6257599b202d7d49b56f0300dde182477c6fe1e295a93666bf1db998c27339ded24aba10803088147914fac18a0ed9dc46e40714de4094c

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  • /data/data/com.paperfeelet/cache/swlpao
    Filesize

    448KB

    MD5

    14908e25a8d0ce1f7f807a141cf889e1

    SHA1

    a38c6c1aa2151fa392571874813cdaf8a3710d82

    SHA256

    33779a85dec4978cfe1ff5bfec56e163d0682dea27cab68a643b37a1afe53f1b

    SHA512

    c83b756252fdf6d67d0e82422ae4f7a0f3c37e16413b4b1a396e68f1204e9063b4e0269f9a00362e26004e5fd2b515ebe2a99fe4a36f6e75765b2ca5cbac8667

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