Analysis

  • max time kernel
    147s
  • max time network
    153s
  • 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
    20-01-2025 22:03

General

  • Target

    db1a06bc71ab15f4420296c6d8a02469f3792016c8e075e47e8ae35b85429ff6.apk

  • Size

    3.3MB

  • MD5

    7beb4804e02909cd4cd2265bff3c5e53

  • SHA1

    f878ac3b95b651fa6a71dec3bf62975b9275876e

  • SHA256

    db1a06bc71ab15f4420296c6d8a02469f3792016c8e075e47e8ae35b85429ff6

  • SHA512

    779189e6a882e325ce71c18fe11705afcc8b162753437b3c9fe5dc48fedb3a36b647db47668b5ec4acdd197c2f2098410a474ccfc29d3f8b40a7eece50ab517d

  • SSDEEP

    49152:cMpJyhQtbmvQZqnk/wSqgE7JSs54+YTp9eVyteHSeJDAkNLyIx0AJkb693nG8R36:YhSbBQgIgE/JQ4oezPLy7AJkb6Nz3sX

Malware Config

Extracted

Family

hook

C2

http://147.93.98.67:3434

AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • Hook family
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests enabling of the accessibility settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.tanahefucutuhohi.cuvi
    1⤵
    • Removes its main activity from the application launcher
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests enabling of the accessibility settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4336

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.tanahefucutuhohi.cuvi/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.tanahefucutuhohi.cuvi/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    aa600116b4f22979beb0679995cb3736

    SHA1

    ef29af1d8af83aaa7672ae9f7262844c9c7ce274

    SHA256

    9b8ca4cebb02a3e6a830fe828acec09fbda5ccaba72ea2ee94b7c3f8757e69bd

    SHA512

    15abc0e71777bd7e30665e86170c2bcbb7fc6474ac0b253d5dcace6d50bc0e258f312cecc017bad4e4c5cff06e8658a5ec99ed0c4d8a7d1067f0cfac07dbbc96

  • /data/data/com.tanahefucutuhohi.cuvi/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.tanahefucutuhohi.cuvi/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    956997842e2c6ca340edaf27f8feb5e1

    SHA1

    cf0ce1d69c3896c0946a224d9fd2fb41bb55076e

    SHA256

    d6670ba0eb72c489612dce605844a1e06f132f59e01cc219df6194949269b7f5

    SHA512

    61dd822767d0a6e125b12bbd453cee96f7a38b545941d9dc3cff6a44cec5a1a10e0238e73c72b382ba6d913595fa647247b17a37cc57e46e5a1f73adbcac85f4

  • /data/data/com.tanahefucutuhohi.cuvi/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    876ada2d98010c752fbf0be115752949

    SHA1

    2196ecacc67f54a00ac597ec6402448d444c65a5

    SHA256

    a603cc335a0ab505028efdd176fcb6dc749df0ff0f391ac6b188de724a87882e

    SHA512

    97107ceaea9e3e6aee79e1242bb6c1e65f4be969d683b42209b769011de603c82e92f1a2475f201a232f4c20e1ac5373842d7acb8623925fbf1eccde5264dec1

  • /data/data/com.tanahefucutuhohi.cuvi/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    b5bad9e55dbce4eb3349083a67dea24d

    SHA1

    d1dc3e31731424ee517e081b46ca8ffd04044037

    SHA256

    796cc487cfbde04d5d6e151ccfa6650c519338f59df7efab9b72cbd92fd37cab

    SHA512

    1c26b305202f464bf91cfb4955ec5a24b83388a72a35b01b5ac2f17342b8a4c1331c24fb6f0a4ca7c225696d73b02eb0366972cee6248c6d30d5f834392a6ae9