Analysis

  • max time kernel
    47s
  • max time network
    182s
  • platform
    android_x86
  • resource
    android-x86-arm-20240514-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240514-enlocale:en-usos:android-9-x86system
  • submitted
    27/05/2024, 18:01

General

  • Target
    7a034d2d96bea71d11339e271b1432b6_JaffaCakes118.apk
  • Size 1.7MB
  • Sample240527-wlxevade67
  • SHA256 88d234fb0a613c119071a0622f87d5e85402451180315b40e61ef5af9b012b88
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Requests cell location 2 TTPs 1 IoCs

    Uses Android APIs to to get current cell location.

  • Checks CPU information 2 TTPs 1 IoCs

    Checks CPU information which indicate if the system is an emulator.

  • Checks memory information 2 TTPs 1 IoCs

    Checks memory information which indicate if the system is an emulator.

  • Loads dropped Dex/Jar 1 TTPs 6 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 the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Reads the content of SMS inbox messages. 1 TTPs 1 IoCs
  • Reads the content of the SMS messages. 1 TTPs 1 IoCs
  • 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
  • Reads information about phone network operator. 1 TTPs
  • Requests dangerous framework permissions 17 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.fll.emaafx
    1⤵
    • Requests cell location
    • Checks CPU information
    • Checks memory information
    • Loads dropped Dex/Jar
    • Queries information about running processes on the device
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Reads the content of SMS inbox messages.
    • Reads the content of the SMS messages.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks if the internet connection is available
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4258
    • /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.fll.emaafx/files/muo/GfqFKXeOM.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.fll.emaafx/files/muo/oat/x86/GfqFKXeOM.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4305
    • /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.fll.emaafx/files/Plugin2.apk --output-vdex-fd=96 --oat-fd=106 --oat-location=/data/user/0/com.fll.emaafx/files/oat/x86/Plugin2.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4513
    • /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.fll.emaafx/app_dex/utopay.jar --output-vdex-fd=122 --oat-fd=125 --oat-location=/data/user/0/com.fll.emaafx/app_dex/oat/x86/utopay.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4559

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        utopay.jar

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

        740410100062013

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

        740410100062013-journal

        • Path /data/data/com.fll.emaafx/databases/740410100062013-journal
        • Size 512B
        • SHA256 d4e842f0853c34414e96ce123bcf3706f58cde5be92c993258621cef98137500
        • MD5 SHA1 SHA512

        740410100062013-shm

        • Path /data/data/com.fll.emaafx/databases/740410100062013-shm
        • Size 28KB
        • SHA256 18619b678a5c207a971a0aa931604f48162e307c57ecdec450d5f095fe9f32c7
        • MD5 SHA1 SHA512 SSDEEP

        740410100062013-wal

        • Path /data/data/com.fll.emaafx/databases/740410100062013-wal
        • Size 148KB
        • SHA256 a58806774a851c02283bc0ce8ad5a7f230351df28bffb1fc06fb78a9ac557c9f
        • MD5 SHA1 SHA512 SSDEEP

        wochi_v4.db-journal

        • Path /data/data/com.fll.emaafx/databases/wochi_v4.db-journal
        • Size 512B
        • SHA256 2bbe80459cf3cfd24b062a7ab1fdeec264ed50648e1e60330d82efcc3eec4df5
        • MD5 SHA1 SHA512

        wochi_v4.db-wal

        • Path /data/data/com.fll.emaafx/databases/wochi_v4.db-wal
        • Size 20KB
        • SHA256 b8d6f9fe274492a074b97827343869af57590c1456f55e40495e1282e844652e
        • MD5 SHA1 SHA512 SSDEEP

        Plugin2.apk

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

        GfqFKXeOM.jar

        • Path /data/data/com.fll.emaafx/files/muo/GfqFKXeOM.jar
        • Size 788KB
        • SHA256 eff147e722175f63c550d96d6f25027fccb1cf61be8fb6e77c82a2dc791da899
        • MD5 SHA1 SHA512 SSDEEP

        GfqFKXeOM.jar.cur.prof

        • Path /data/data/com.fll.emaafx/files/muo/oat/GfqFKXeOM.jar.cur.prof
        • Size 765B
        • SHA256 24a1f725fa386be35ae2835e41d7f9343731f2311f0cb09387bee3e3641ee484
        • MD5 SHA1 SHA512

        umeng_it.cache

        • Path /data/data/com.fll.emaafx/files/umeng_it.cache
        • Size 310B
        • SHA256 79acc6c6bdf048729f93b17b6331eda371ebc576186ddf8fd42d6169b97b5a55
        • MD5 SHA1 SHA512

        yl_plugin.apk

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

        utopay.jar

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

        utopay.jar

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

        Plugin2.apk

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

        Plugin2.apk

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

        GfqFKXeOM.jar

        • Path /data/user/0/com.fll.emaafx/files/muo/GfqFKXeOM.jar
        • Size 2.3MB
        • SHA256 8b49dd66f8cbf5b436ad55e0b3b28932182df0c0e4d17e49f9a562e00cddab66
        • MD5 SHA1 SHA512 SSDEEP

        GfqFKXeOM.jar

        • Path /data/user/0/com.fll.emaafx/files/muo/GfqFKXeOM.jar
        • Size 2.3MB
        • SHA256 b148c94a4890471e82a97332707d58dff9eb90b82d9631c594688749f8705b8c
        • MD5 SHA1 SHA512 SSDEEP