Resubmissions

16/09/2025, 22:38

250916-2kf95abl3y10

01/02/2023, 01:15

230201-bmdnxadb8w8

Analysis

  • max time kernel
    32s
  • max time network
    36s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20250619-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20250619-enlocale:en-usos:android-11-x64system
  • submitted
    16/09/2025, 22:38

General

  • Target
    8d1aabfb6329bf6c03c97f86c690e95723748be9d03ec2ed117376dd9e13faf0.apk
  • Size 3.0MB
  • Sample250916-2kf95abl3y
  • SHA256 8d1aabfb6329bf6c03c97f86c690e95723748be9d03ec2ed117376dd9e13faf0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://193.233.196.2:3434

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36

Extracted

Family
  • hook

C2
  • http://193.233.196.2

Signatures

  • Hook

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

  • Hook family
  • Loads dropped Dex/Jar 1 TTPs 1 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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 7 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • 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
  • 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.

  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.yecomevusaso.pisifo
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Schedules tasks to execute at a specified time
    • Checks CPU information
    • Checks memory information
    PID:4750

Network

        MITRE ATT&CK Mobile v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        GfkU.json

        • Path /data/user/0/com.yecomevusaso.pisifo/app_DynamicOptDex/GfkU.json
        • Size 703KB
        • SHA256 e9163d46096f466ef5a3043a271abcb0a1f3e39490147a5b703c21567cd2a0f7
        • MD5 SHA1 SHA512 SSDEEP

        GfkU.json

        • Path /data/user/0/com.yecomevusaso.pisifo/app_DynamicOptDex/GfkU.json
        • Size 703KB
        • SHA256 54b9331482c478147efe4ea72749168c160055188212826fc006bf72a1f907f2
        • MD5 SHA1 SHA512 SSDEEP

        GfkU.json

        • Path /data/user/0/com.yecomevusaso.pisifo/app_DynamicOptDex/GfkU.json
        • Size 1.5MB
        • SHA256 0fe615ac21999cf480f14364bb5fb34d7fd02afeb925ac4cec6707587b46526a
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

        • Path /data/user/0/com.yecomevusaso.pisifo/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/user/0/com.yecomevusaso.pisifo/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 9bc7a6ddae7010e60338e59ecdb794d6767ea96000a75f26c791670d211f1b62
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

        • Path /data/user/0/com.yecomevusaso.pisifo/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/user/0/com.yecomevusaso.pisifo/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 622be6fa4bb35b5a9ac54102f0ca36cc1e74ccd77aec9daac915341d0c1e766d
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/user/0/com.yecomevusaso.pisifo/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 edb34e541a63a713665e6d246657631c32cd68a9e42073ca4eeed9d7f4aa3969
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/user/0/com.yecomevusaso.pisifo/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 bd5ffc461fb96bafb6854f61fbfae52cd9c59c1ba8bc32296f49d11d14951be6
        • MD5 SHA1 SHA512 SSDEEP