Analysis

  • max time kernel
    4s
  • max time network
    150s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20260325-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20260325-enlocale:en-usos:android-9-x86system
  • submitted
    12/10/2026, 23:38

General

  • Target
    jaffacakes118_not-a-virus.HEUR.RiskTool.AndroidOS.SMSreg.pf.apk
  • Size 1.7MB
  • Sample261012-3mxkkafd65
  • SHA256 dd5ca29b7b4522cb158c20b5366397e8d7923fe04a9a006d4fa3cc2a0d1219bf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped Dex/Jar 1 TTPs 8 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
  • 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.hcg.yoywaa
    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:4342
    • /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.hcg.yoywaa/files/shc/wnhth.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.hcg.yoywaa/files/shc/oat/x86/wnhth.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4370
    • /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.hcg.yoywaa/files/Plugin2.apk --output-vdex-fd=110 --oat-fd=112 --oat-location=/data/user/0/com.hcg.yoywaa/files/oat/x86/Plugin2.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4479
    • /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.hcg.yoywaa/app_dex/utopay.jar --output-vdex-fd=117 --oat-fd=118 --oat-location=/data/user/0/com.hcg.yoywaa/app_dex/oat/x86/utopay.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4512
    • /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.hcg.yoywaa/files/yl_plugin.apk --output-vdex-fd=119 --oat-fd=117 --oat-location=/data/user/0/com.hcg.yoywaa/files/oat/x86/yl_plugin.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4542
    • getprop ro.product.cpu.abi
      2⤵
        PID:4561
      • getprop ro.product.cpu.abi2
        2⤵
          PID:4583

      Network

            MITRE ATT&CK Mobile v16

            Replay Monitor

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            Downloads

            utopay.jar

            • Path /data/data/com.hcg.yoywaa/app_dex/utopay.jar
            • Size 30KB
            • SHA256 b825cde84e3dddfc147c71265d2259c422d51a7e56d1dcdba1321e3119b1df07
            • MD5 SHA1 SHA512 SSDEEP TLSH

            740410100062013

            • Path /data/data/com.hcg.yoywaa/databases/740410100062013
            • Size 4KB
            • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
            • MD5 SHA1 SHA512 TLSH

            740410100062013-journal

            • Path /data/data/com.hcg.yoywaa/databases/740410100062013-journal
            • Size 512B
            • SHA256 ff6be9709d8a9ae87e7d52c40607270a497acdd07f901bf6e7de88b8f24597d2
            • MD5 SHA1 SHA512

            740410100062013-shm

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

            740410100062013-wal

            • Path /data/data/com.hcg.yoywaa/databases/740410100062013-wal
            • Size 140KB
            • SHA256 40d1e7517cff6c126981d412aed9ff76849c5a174fda4b84be603d12cf5db22d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wochi_v4.db-journal

            • Path /data/data/com.hcg.yoywaa/databases/wochi_v4.db-journal
            • Size 512B
            • SHA256 b26cc6d30637a1d613a0a9649568d24d083cddbd7a163d570b079420da9117c9
            • MD5 SHA1 SHA512

            wochi_v4.db-wal

            • Path /data/data/com.hcg.yoywaa/databases/wochi_v4.db-wal
            • Size 20KB
            • SHA256 b2b603f4118620fec5d478f72ce4cda9ac3ef23e02b42e27696dfa44ab2c2376
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Plugin2.apk

            • Path /data/data/com.hcg.yoywaa/files/Plugin2.apk
            • Size 99KB
            • SHA256 de7bf40574754a5144fa5cf3bc5e97f7adc7f5abebb18c41e8f0631917db4c0c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            log.dat

            • Path /data/data/com.hcg.yoywaa/files/log.dat
            • Size 221B
            • SHA256 77fc3599be409f7e73e643de843c0ebcfa20662964c498fc59e245c7f5e003a2
            • MD5 SHA1 SHA512 TLSH

            wnhth.jar

            • Path /data/data/com.hcg.yoywaa/files/shc/wnhth.jar
            • Size 774KB
            • SHA256 7f701635b44564b9ee6746eee83d421a850a43a2053baeefec782bb90676e36d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            yl_plugin.apk

            • Path /data/data/com.hcg.yoywaa/files/yl_plugin.apk
            • Size 58KB
            • SHA256 05eb3e1ca331b8c6a1f60f92abb2bddbac54a7b2c229ac07bf26c756297fe72a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            utopay.jar

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

            utopay.jar

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

            Plugin2.apk

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

            Plugin2.apk

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

            wnhth.jar

            • Path /data/user/0/com.hcg.yoywaa/files/shc/wnhth.jar
            • Size 1.8MB
            • SHA256 448afa4c134082e2bd79d27d143287cdcfc5aa73f7f613ec7fa0e4fa1d34792a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wnhth.jar

            • Path /data/user/0/com.hcg.yoywaa/files/shc/wnhth.jar
            • Size 1.8MB
            • SHA256 93c340baab5645ec495a153b0102744a2e9dcae8cd90b6aeb8d2531bdb5ad61f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            yl_plugin.apk

            • Path /data/user/0/com.hcg.yoywaa/files/yl_plugin.apk
            • Size 123KB
            • SHA256 87751b4f40f3cf03b3e2a1e5eb9ef248ad79a8f47304d2a527939ed634ac8f2c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            yl_plugin.apk

            • Path /data/user/0/com.hcg.yoywaa/files/yl_plugin.apk
            • Size 123KB
            • SHA256 57d03ac2189851d5069515da6997e12ca307c145aa21679da001477df5f81836
            • MD5 SHA1 SHA512 SSDEEP TLSH