Analysis

  • max time kernel
    179s
  • max time network
    172s
  • platform
    android_x64
  • resource
    android-x64-20240514-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240514-enlocale:en-usos:android-10-x64system
  • submitted
    22/05/2024, 04:30

General

  • Target
    stasdk_core.apk
  • Size 2.1MB
  • Sample240522-e43k5sca89
  • SHA256 8dc8a08cb4af889317d11fec26e2c1058f2af5056a4dbc25deaec8707073947f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Requests cell location 1 TTPs 2 IoCs

    Uses Android APIs to to get current cell information.

  • Loads dropped Dex/Jar 1 TTPs 1 IoCs

    Runs executable file dropped to the device during analysis.

  • 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 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 information about the current nearby Wi-Fi networks 1 TTPs 1 IoCs

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

  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Checks if the internet connection is available 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs

Processes

  • com.dbgj.stacore
    1⤵
    • Requests cell location
    • Loads dropped Dex/Jar
    • Queries information about running processes on the device
    • Queries information about the current Wi-Fi connection
    • Queries information about the current nearby Wi-Fi networks
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks if the internet connection is available
    PID:5134

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

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        Downloads

        __xadsdk__remote__final__builtin__.jar

        • Path /data/data/com.dbgj.stacore/app_baidu_ad_sdk/__xadsdk__remote__final__builtin__.jar
        • Size 5KB
        • SHA256 384159fbe804c89c77fbfd934d363665fd40ca510c3e797e87e03aa9e75697c1
        • MD5 SHA1 SHA512 SSDEEP

        __xadsdk__remote__final__builtin__.jar

        • Path /data/data/com.dbgj.stacore/app_baidu_ad_sdk/__xadsdk__remote__final__builtin__.jar
        • Size 85KB
        • SHA256 516023ce55fff40074d3c3d9016c023b1fc7dfba2b59c172f89141f1484d418e
        • MD5 SHA1 SHA512 SSDEEP

        __xadsdk__remote__final__builtin__.jar (deleted)

        • Path /data/data/com.dbgj.stacore/app_baidu_ad_sdk/__xadsdk__remote__final__builtin__.jar (deleted)
        • Size 85KB
        • SHA256 3c68f3a081aef89dfa656364f828c0150c4229a7b0dce884a8765e2c986efcab
        • MD5 SHA1 SHA512 SSDEEP

        __xadsdk__remote__final__builtin__.jar.cur.prof

        • Path /data/data/com.dbgj.stacore/app_baidu_ad_sdk/oat/__xadsdk__remote__final__builtin__.jar.cur.prof
        • Size 149B
        • SHA256 aa321640fac6e585621a916218c2e8b77f29444142002adc60bba257eb4ed0ce
        • MD5 SHA1 SHA512

        __xadsdk__remote__final__builtin__.jar

        • Path /data/user/0/com.dbgj.stacore/app_baidu_ad_sdk/__xadsdk__remote__final__builtin__.jar
        • Size 208KB
        • SHA256 1cc33691b0bd133bf03839ada68ee4edb4e9ab3e06621e4473a4a9fc34169a0c
        • MD5 SHA1 SHA512 SSDEEP

        .systemid

        • Path /storage/emulated/0/data/.systemid
        • Size 36B
        • SHA256 f330cf1ef23c68e468ad32543b03ebdaeab8554de46bbed59ccdeba892a298b9
        • MD5 SHA1 SHA512

        .systemmac

        • Path /storage/emulated/0/data/.systemmac
        • Size 17B
        • SHA256 c248c629af1fe0a8c46b95668064c1d2952a9e91d207bc0cc3c5d584c2f7553a
        • MD5 SHA1 SHA512