Resubmissions

03/08/2026, 08:50

260803-krt15ascnc10

23/12/2025, 14:30

251223-rt4rnsspex7

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20250917-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20250917-enlocale:en-usos:android-9-x86system
  • submitted
    23/12/2025, 14:30

General

  • Target
    dexopt.sssgf.apk
  • Size 6.9MB
  • Sample251223-rt4rnsspex
  • SHA256 3269a0116ce0915afdd32e8d87b05ae9f5c00fcf0a6729add39a6a87aaf30089
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped Dex/Jar 1 TTPs 4 IoCs

    Runs executable file dropped to the device during analysis.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 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.

  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 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.

Processes

  • com.nmz.nmz
    1⤵
    • Loads dropped Dex/Jar
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    PID:4238
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.nmz.nmz/app_fix/ql.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.nmz.nmz/app_fix/oat/x86/ql.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4265

Network

        MITRE ATT&CK Mobile v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ql.json

        • Path /data/data/com.nmz.nmz/app_fix/ql.json
        • Size 3.6MB
        • SHA256 c8b988b62a303a591116fe6464facdfe978235b38617ff0c1b3a2a4eafe55208
        • MD5 SHA1 SHA512 SSDEEP

        ql.json

        • Path /data/data/com.nmz.nmz/app_fix/ql.json
        • Size 3.6MB
        • SHA256 ba9be26e035e007eb72919b5273c80bf52512f3da1cd0443bb0b3c0238272e50
        • MD5 SHA1 SHA512 SSDEEP

        profileInstalled

        • Path /data/data/com.nmz.nmz/files/profileInstalled
        • Size 24B
        • SHA256 7d073470ca97d494ac4d026fbb60b7f0e9d9e45c8ba2074dbf78b3444313f515
        • MD5 SHA1 SHA512

        androidx.work.workdb

        • Path /data/data/com.nmz.nmz/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/com.nmz.nmz/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 cd6697fd5ac04860d87ec34b1024d7a60a3d3f15979657ab7539a3177afcf24f
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.nmz.nmz/no_backup/androidx.work.workdb-wal
        • Size 116KB
        • SHA256 3df69bad89720ce0decf7be1127e8cf07d66d86d192927dae6943e6ff40a353c
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.nmz.nmz/no_backup/androidx.work.workdb-wal
        • Size 213KB
        • SHA256 6885365673070f666c697220ffa9a7cb682d45cd07c3590a002bfd5bc4a24772
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.nmz.nmz/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 657c419dddddf7209010283af7ea31ef157ab9cb445e4c92f0329427af0bce66
        • MD5 SHA1 SHA512 SSDEEP

        ql.json

        • Path /data/user/0/com.nmz.nmz/app_fix/ql.json
        • Size 9.1MB
        • SHA256 df2fe248fb0c237fb66a8a8d32438450ddf855e0cf8d3715bdc574bd087bcd81
        • MD5 SHA1 SHA512 SSDEEP

        ql.json

        • Path /data/user/0/com.nmz.nmz/app_fix/ql.json
        • Size 9.1MB
        • SHA256 a1ed3680956862e0b42a8237a5a57669fb127cc76937a6494ed684404d98a92b
        • MD5 SHA1 SHA512 SSDEEP

        ql.json!classes2.dex

        • Path /data/user/0/com.nmz.nmz/app_fix/ql.json!classes2.dex
        • Size 396KB
        • SHA256 8d49b575ca7bb65a7eed7f5890d7f592e54e69c9f27d5c968bd2e96189c437c7
        • MD5 SHA1 SHA512 SSDEEP

        ql.json!classes2.dex

        • Path /data/user/0/com.nmz.nmz/app_fix/ql.json!classes2.dex
        • Size 396KB
        • SHA256 4a8a948659b56e63fd61b85f426f6d74ea981e3838c6a637b345014d20e0ac2f
        • MD5 SHA1 SHA512 SSDEEP