Analysis

  • max time kernel
    54s
  • max time network
    160s
  • 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
    17/06/2024, 18:58

General

  • Target
    b982fc062476e088b7a27bdd3ac52364_JaffaCakes118.apk
  • Size 1.7MB
  • Sample240617-xmlv6sthqp
  • SHA256 06cb4152d31568bf64880fd3c8d3febf1ecc0ce7c1170ee470d55da94908c471
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped Dex/Jar 1 TTPs 6 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
  • Reads the content of SMS inbox messages. 1 TTPs 1 IoCs
  • Reads the content of the SMS messages. 1 TTPs 1 IoCs
  • Requests cell location 2 TTPs 1 IoCs

    Uses Android APIs to to get current cell location.

  • Queries information about active data network 1 TTPs 1 IoCs
  • 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 dangerous framework permissions 17 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.ynf.rulvvt
    1⤵
    • Loads dropped Dex/Jar
    • Reads the content of SMS inbox messages.
    • Reads the content of the SMS messages.
    • Requests cell location
    • Queries information about active data network
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks memory information
    PID:4261
    • /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.ynf.rulvvt/files/dai/jWBsAMo.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.ynf.rulvvt/files/dai/oat/x86/jWBsAMo.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4322
    • /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.ynf.rulvvt/files/Plugin2.apk --output-vdex-fd=113 --oat-fd=115 --oat-location=/data/user/0/com.ynf.rulvvt/files/oat/x86/Plugin2.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4528
    • /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.ynf.rulvvt/app_dex/utopay.jar --output-vdex-fd=122 --oat-fd=123 --oat-location=/data/user/0/com.ynf.rulvvt/app_dex/oat/x86/utopay.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4574

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        utopay.jar

        • Path /data/data/com.ynf.rulvvt/app_dex/utopay.jar
        • Size 30KB
        • SHA256 b825cde84e3dddfc147c71265d2259c422d51a7e56d1dcdba1321e3119b1df07
        • MD5 SHA1 SHA512 SSDEEP

        740410100062013

        • Path /data/data/com.ynf.rulvvt/databases/740410100062013
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512

        740410100062013-journal

        • Path /data/data/com.ynf.rulvvt/databases/740410100062013-journal
        • Size 512B
        • SHA256 db21ed16a24aa81e09c4b46a70c9af7428c495d5729672045083e118c065bcaf
        • MD5 SHA1 SHA512

        740410100062013-shm

        • Path /data/data/com.ynf.rulvvt/databases/740410100062013-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP

        740410100062013-wal

        • Path /data/data/com.ynf.rulvvt/databases/740410100062013-wal
        • Size 140KB
        • SHA256 ba09416cdd6f37a016005e0fb0f589f64714f3b06cb5fc65361760ff7879a6ad
        • MD5 SHA1 SHA512 SSDEEP

        wochi_v4.db-journal

        • Path /data/data/com.ynf.rulvvt/databases/wochi_v4.db-journal
        • Size 512B
        • SHA256 aab50be19f073f50bcd4e220f8aae880e246cb24b67499f72f8129b6ffdb386b
        • MD5 SHA1 SHA512

        wochi_v4.db-shm

        • Path /data/data/com.ynf.rulvvt/databases/wochi_v4.db-shm
        • Size 28KB
        • SHA256 18619b678a5c207a971a0aa931604f48162e307c57ecdec450d5f095fe9f32c7
        • MD5 SHA1 SHA512 SSDEEP

        wochi_v4.db-wal

        • Path /data/data/com.ynf.rulvvt/databases/wochi_v4.db-wal
        • Size 20KB
        • SHA256 132ece09ca889727cfeafa6b169881b5ec5a3040b9e4783a0889b8a846d547fb
        • MD5 SHA1 SHA512 SSDEEP

        Plugin2.apk

        • Path /data/data/com.ynf.rulvvt/files/Plugin2.apk
        • Size 99KB
        • SHA256 de7bf40574754a5144fa5cf3bc5e97f7adc7f5abebb18c41e8f0631917db4c0c
        • MD5 SHA1 SHA512 SSDEEP

        jWBsAMo.jar

        • Path /data/data/com.ynf.rulvvt/files/dai/jWBsAMo.jar
        • Size 774KB
        • SHA256 dba084e77db37a013162f555f7001286ef3d142ac0fdf85d77c44429542828bf
        • MD5 SHA1 SHA512 SSDEEP

        log.dat

        • Path /data/data/com.ynf.rulvvt/files/log.dat
        • Size 221B
        • SHA256 77fc3599be409f7e73e643de843c0ebcfa20662964c498fc59e245c7f5e003a2
        • MD5 SHA1 SHA512

        yl_plugin.apk

        • Path /data/data/com.ynf.rulvvt/files/yl_plugin.apk
        • Size 58KB
        • SHA256 05eb3e1ca331b8c6a1f60f92abb2bddbac54a7b2c229ac07bf26c756297fe72a
        • MD5 SHA1 SHA512 SSDEEP

        utopay.jar

        • Path /data/user/0/com.ynf.rulvvt/app_dex/utopay.jar
        • Size 67KB
        • SHA256 83c996c0d067b5f516897480f427dfffdcfb49ab7654dac9b805376bbd49e1db
        • MD5 SHA1 SHA512 SSDEEP

        utopay.jar

        • Path /data/user/0/com.ynf.rulvvt/app_dex/utopay.jar
        • Size 67KB
        • SHA256 6286a800597b845785eb664710253ebd20771737dddd5b80067e0e9d37c804b2
        • MD5 SHA1 SHA512 SSDEEP

        Plugin2.apk

        • Path /data/user/0/com.ynf.rulvvt/files/Plugin2.apk
        • Size 201KB
        • SHA256 1d83642ede6b16a071676e895f547d056543b5b4622bbc9b9b4ab45e47bf9ba0
        • MD5 SHA1 SHA512 SSDEEP

        Plugin2.apk

        • Path /data/user/0/com.ynf.rulvvt/files/Plugin2.apk
        • Size 201KB
        • SHA256 2c61a25f1ad5783bf82eea9faa2536cac4788ed3147bc1864d9ef17ea01be6a7
        • MD5 SHA1 SHA512 SSDEEP

        jWBsAMo.jar

        • Path /data/user/0/com.ynf.rulvvt/files/dai/jWBsAMo.jar
        • Size 1.8MB
        • SHA256 6374928e1d6d1e953de613fc39ed8b0633b9709663a621a3bfab15a52739782e
        • MD5 SHA1 SHA512 SSDEEP

        jWBsAMo.jar

        • Path /data/user/0/com.ynf.rulvvt/files/dai/jWBsAMo.jar
        • Size 1.8MB
        • SHA256 feb16ea6a9c7af998d389b1702d961deda982a7b1866efb541113a45669a009d
        • MD5 SHA1 SHA512 SSDEEP