Overview

overview

10

Static

static

6

3f41156f2a...5a.apk

android-9-x86

10

3f41156f2a...5a.apk

android-10-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    159s
  • 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 22:35

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General

  • Target

    3f41156f2a4a9c92f46fc449f98e8e3f39b1fa583a2d11c6b8edf94e8e82cc5a.apk

  • Size

    509KB

  • MD5

    0e9c09e703777380b2a11711e4034980

  • SHA1

    cff24169be0844fa689cb685873f35b4da6b48f7

  • SHA256

    3f41156f2a4a9c92f46fc449f98e8e3f39b1fa583a2d11c6b8edf94e8e82cc5a

  • SHA512

    59b3ed46870b7f69ed3b74ff626a9555653a962f9b85ac15673e02411339deadc9f55cd22b09eb2a0b7aaef5f896fded5be89d16134e3e31797514c5046e546a

  • SSDEEP

    12288:QC+AdNJBK+HzZCHAjPz6TXe+d7UP64ZskKn5:QC+Ajl0HoL6zei7UP64WLn5

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.lateme4
    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:4235

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.lateme4/cache/ksufdowwy
    Filesize

    448KB

    MD5

    5d5f4779f03c12db1cd52f9071a55e1a

    SHA1

    e9fc2182bab02592a61796274332fe46c994b20f

    SHA256

    4f2d20d52b5e8ed43218ef3ca52578386e636126b5e23fbdd8fb2a8419eecc76

    SHA512

    0a576f042d603d2a4baae062f87c2a2aecd0793b5d990d34bb785b46eaf9b48e08c6731f31260bdbc98459606ccaa5d6b73bf38fc38fa46b2147ae86a1fa3f1e

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  • /data/data/com.lateme4/cache/oat/ksufdowwy.cur.prof
    Filesize

    484B

    MD5

    e2d823089e3fd5c0e14278d73691fc4a

    SHA1

    03ba735a9ec15d406b8fd92357a27cec6227a886

    SHA256

    f443ee777bdbf77f75b03959ef95cacfc661c63880523d2a16829fd2958d1738

    SHA512

    6560b06ed1d53052c63f67033b4b0cd9b4bfcb9613331547cf06639e73ec610477d5c92e84410083595e8c4ee442fff7fb3fadebad4ba41b821610b68b7d7f37

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