Overview

overview

10

Static

static

6

3b6fcda594...9c.apk

android-9-x86

10

3b6fcda594...9c.apk

android-13-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    180s
  • platform
    android_x64
  • resource
    android-33-x64-arm64-20240611.1-en
  • resource tags

    androidarch:arm64arch:x64image:android-33-x64-arm64-20240611.1-enlocale:en-usos:android-13-x64system
  • submitted
    18-06-2024 22:39

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General

  • Target

    3b6fcda59424915b2da305a84afecd469016ebddf0cde2c6d81d18e89c9eb89c.apk

  • Size

    509KB

  • MD5

    b92fd7f9bd4795c661f627e324ed8ab7

  • SHA1

    efd03c7406b40426e39462ac8f0f9a220465b6f6

  • SHA256

    3b6fcda59424915b2da305a84afecd469016ebddf0cde2c6d81d18e89c9eb89c

  • SHA512

    29ff4c97d7e3c56b6e1f88bde3bd9e04f4ab97df4b4b8014101782e84c270820329e5f1cd1afc7c8339eac2627978cabbf7dcd271261f425fbdc45e0050ed1e2

  • SSDEEP

    12288:oyGe32CtqGKdSFadA5T3RzjBvvDIzTwZT0f94nsKsnE:D3hqGKdSF2A5TB/BvvDZT0FwsHnE

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

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
  • Loads dropped Dex/Jar 1 TTPs 1 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
  • 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.fewyear48
    1⤵
    • 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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4261

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.fewyear48/cache/oat/obwsjayadc.cur.prof
    Filesize

    370B

    MD5

    d80d66c724992c6faae77a70a9acb73d

    SHA1

    2e943d8cad917088ccf9595ccebe1e47303d26b0

    SHA256

    bf3d75ac24ad6b1d1c21670a77f26650f5fbba745d35a9b311230aa4c06ca4cc

    SHA512

    f925649620843336ebdd92a5b7f656abe27916591ed13a65836f786f1dc1265a4316c6864e510dfae2235937b67359b9c898bf13ca3816c3f283982fe49f794c

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  • /data/data/com.fewyear48/cache/obwsjayadc
    Filesize

    448KB

    MD5

    7726936dd73fd16ed45cefe88e9c0260

    SHA1

    2e0a0679bece4a9ce0b8021573051303e1ea4602

    SHA256

    92c11ce81b987ae90e256331257e8926a8cc0bc596304f05a79c94bccd4436ba

    SHA512

    a055cb33b13e789b397b4ff4616d24e80f11c5241f43bdd02868777d3ed020a1467c0b30517b8b7513fad06f881074ba516e4829e232b3b23a9b88a485e151bb

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