Overview

overview

8

Static

static

6

82b7101fb1...43.apk

android-9-x86

8

Analysis

  • max time kernel
    179s
  • max time network
    169s
  • 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
    16-06-2024 23:49

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General

  • Target

    82b7101fb1b4dd4cae1390c619bbced74677c8b1971ae62f6e063a1d1fba0a43.apk

  • Size

    294KB

  • MD5

    33b70f3ce0bc2cd325b6ef64a0cc705b

  • SHA1

    a091bcaa083aa373e910b6bf1fea6eeebe546243

  • SHA256

    82b7101fb1b4dd4cae1390c619bbced74677c8b1971ae62f6e063a1d1fba0a43

  • SHA512

    622d8e1720ea7dc31d63efa21a1ed6866859c9b67de13bfe4247533d545d9b63f76883430e880e49244abefa1697df60c706e5759c106b649188bcc08cc37153

  • SSDEEP

    6144:UY9s2Z/ffCgVWw8uPqIt++oepKMbfXl3nzT8/8QqBN0o4yODNfdu:yKz2uDnzKGXlPDtOp1u

Score
8/10
collectiondiscoveryevasionimpactpersistenceprivilege_escalationstealthtrojan

Malware Config

Signatures

  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • 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
  • Queries information about active data network 1 TTPs 1 IoCs
    discovery
  • Requests changing the default SMS application. 2 TTPs 1 IoCs
    collectionimpact
  • Tries to add a device administrator. 2 TTPs 1 IoCs
    privilege_escalationimpact
  • 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.bafengcinama.mediaplayer
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries information about active data network
    • Requests changing the default SMS application.
    • Tries to add a device administrator.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4282
    • /system/bin/dex2oat --debuggable --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 --debuggable --generate-mini-debug-info --dex-file=/data/data/com.bafengcinama.mediaplayer/b.zip --output-vdex-fd=45 --oat-fd=46 --oat-location=/data/data/com.bafengcinama.mediaplayer/oat/x86/b.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4309

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.bafengcinama.mediaplayer/b.zip
    Filesize

    172KB

    MD5

    720f772a27e8272d102dd6b1c895a66e

    SHA1

    27cebf2aa4e284a194ee75e438f0537ce27f4f15

    SHA256

    86af83dd43d3dfd4070dac6bf4c8873c935be9a41a5cf4e7ad26ba71a2033be2

    SHA512

    21070f5f7e8d6202673600d318643d4ad220ac536981b35424e20e3cdc92b408fdca222383dcf08338889fe12a9c2619ed67d693a736be220eee86d017055fea

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  • /data/data/com.bafengcinama.mediaplayer/files/config
    Filesize

    60B

    MD5

    49b5691f6c1a249dd2a7f9e6db783b85

    SHA1

    864fa20ee23794ecf9184b6f3b3fe2afa506ecd1

    SHA256

    f1bc63df60b66a26072e4b89740baf2396dbc396ede805dc163472298e675955

    SHA512

    a1050cc7102b49ff4b3372502b36657e053d0d9f28bffd8f8ce70002ef6ce69f8a26cae973636ec8dab7eddef69d8963481b9f475a918e18f73b5d5b93c3e245

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