Analysis

  • max time kernel
    6s
  • max time network
    131s
  • 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
    03/06/2024, 10:57

General

  • Target
    9186f1eaaa5a1d30ae9fc154310c3d38_JaffaCakes118.apk
  • Size 22.8MB
  • Sample240603-m2e13add53
  • SHA256 44d31901bfb2b5d8a020f45a480592ed8ff7288e21ea9ee586602e34097d7e46
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks CPU information 2 TTPs 1 IoCs

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

  • Loads dropped Dex/Jar 1 TTPs 2 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.

  • 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.tencent.tmgp.HolyCowHD.cn
    1⤵
    • Checks CPU information
    • Loads dropped Dex/Jar
    • Queries information about running processes on the device
    • 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:4303
    • cat /sys/class/net/wlan0/address
      2⤵
        PID:4430
      • cat /sys/class/net/wlan0/address
        2⤵
          PID:4450
        • cat /sys/class/net/wlan0/address
          2⤵
            PID:4504
          • /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.tencent.tmgp.HolyCowHD.cn/app_dex/ysdk_hackdex.jar --output-vdex-fd=73 --oat-fd=74 --oat-location=/data/user/0/com.tencent.tmgp.HolyCowHD.cn/app_dex/oat/x86/ysdk_hackdex.odex --compiler-filter=quicken --class-loader-context=&
            2⤵
            • Loads dropped Dex/Jar
            PID:4564

        Network

              MITRE ATT&CK Mobile v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              ysdk_hackdex.jar

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/app_dex/ysdk_hackdex.jar
              • Size 1KB
              • SHA256 1f88fdf320cae29d1fd7c639b09ce4d4b468e349cd8bc71376d7c928ffa66f6a
              • MD5 SHA1 SHA512

              MessageStore.db

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/MessageStore.db
              • Size 4KB
              • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
              • MD5 SHA1 SHA512

              MessageStore.db-journal

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/MessageStore.db-journal
              • Size 512B
              • SHA256 d2ad674e17b119f9595a2d0320f418da17913240e5f044324f5e2c9b7b4b371f
              • MD5 SHA1 SHA512

              MessageStore.db-shm

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/MessageStore.db-shm
              • Size 32KB
              • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
              • MD5 SHA1 SHA512 SSDEEP

              MessageStore.db-wal

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/MessageStore.db-wal
              • Size 48KB
              • SHA256 eb016a5b3b60e8e2d5bfe44e2c29079e4327160c980a31dbd4f5665ae8dbe655
              • MD5 SHA1 SHA512 SSDEEP

              MsgLogStore.db-journal

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/MsgLogStore.db-journal
              • Size 512B
              • SHA256 527b05fc24bee1d55e8a505b0686c22156ab781b6056420c98e6cbde82331018
              • MD5 SHA1 SHA512

              MsgLogStore.db-wal

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/MsgLogStore.db-wal
              • Size 60KB
              • SHA256 211610921064962899582706b2d4b318b1e7ac56105f8d5c573ea64e9fa84b78
              • MD5 SHA1 SHA512 SSDEEP

              accs.db-journal

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/accs.db-journal
              • Size 512B
              • SHA256 8b5dbea7678c05ded5c39273e1de70c4d93e9b199a83494ce15ded2bacec4006
              • MD5 SHA1 SHA512

              accs.db-wal

              • Path /data/data/com.tencent.tmgp.HolyCowHD.cn/databases/accs.db-wal
              • Size 32KB
              • SHA256 33c218d373bebc2ef4ab5d4ee21c9b1243804503e9e2bb70c486212bde6f0f88
              • MD5 SHA1 SHA512 SSDEEP

              ysdk_hackdex.jar

              • Path /data/user/0/com.tencent.tmgp.HolyCowHD.cn/app_dex/ysdk_hackdex.jar
              • Size 436B
              • SHA256 4d28cee7bd9454d59664193f54185a90349e8ae9300a5b601266dd0d1fdd641f
              • MD5 SHA1 SHA512

              ysdk_hackdex.jar

              • Path /data/user/0/com.tencent.tmgp.HolyCowHD.cn/app_dex/ysdk_hackdex.jar
              • Size 436B
              • SHA256 f77c4b20ed10a4c168f723d502fb277391a2fa8ac9d189a4085928609b551acb
              • MD5 SHA1 SHA512

              ContextData.xml

              • Path /storage/emulated/0/.DataStorage/ContextData.xml
              • Size 111B
              • SHA256 27a8f1b2213628bac6867e2f7d1db8f448e6118fcd79c59cb5af0471987ee982
              • MD5 SHA1 SHA512

              Alvin2.xml

              • Path /storage/emulated/0/.UTSystemConfig/Global/Alvin2.xml
              • Size 111B
              • SHA256 7bd8c30241b77b5327ccf4dd1bbed3fab939fadfd8a2676a14bee5408113b637
              • MD5 SHA1 SHA512

              Alvin2.xml

              • Path /storage/emulated/0/.UTSystemConfig/Global/Alvin2.xml
              • Size 167B
              • SHA256 64a4dbcf0028888b554ada4a4b0f5b193b79901f39700da6b426d170a04db0d2
              • MD5 SHA1 SHA512

              Alvin2.xml

              • Path /storage/emulated/0/.UTSystemConfig/Global/Alvin2.xml
              • Size 65B
              • SHA256 3325d2a819fdd8062c2cdc48a09b995c9b012915bcdf88b1cf9742a7f057c793
              • MD5 SHA1 SHA512

              inapp_20240603.log

              • Path /storage/emulated/0/Android/data/com.tencent.tmgp.HolyCowHD.cn/files/tnetlogs/inapp_20240603.log
              • Size 544B
              • SHA256 46e1a0ae2fe346708ed2b57708979c93c1b47d95c663f04cb95f5d846c4e22f3
              • MD5 SHA1 SHA512