Analysis

  • max time kernel
    179s
  • max time network
    139s
  • 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
    30-05-2024 12:59

General

  • Target

    843a8935104389f6ddc034f14280bc80_JaffaCakes118.apk

  • Size

    18.8MB

  • MD5

    843a8935104389f6ddc034f14280bc80

  • SHA1

    06f34bdd3cafde2b064a3850b80b8858a13358db

  • SHA256

    ce3061ddfc486252922f8b14592562acca85c0ab3bcfe3197987a2d90530d8e9

  • SHA512

    96ffe1de8a9fa4eaed076252b1ad54df4c87901b0102747c409f8d4177b3bc826cbc4732a49888e456fd87c86eeb9d72164c4ed8c72675352260c969dc580914

  • SSDEEP

    393216:VmBvJh8CvdzblkjH/VNQ6/qyS0Th03gofRb5LyW04Hf88tmLPiorgrFrtn:sBvJVz5wd+qBSIy3g6b40/dtmLhs5tn

Malware Config

Signatures

  • 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 2 IoCs

    Runs executable file dropped to the device during analysis.

  • 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.

  • 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
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.yunshu.ku.che
    1⤵
    • Checks CPU information
    • Checks memory information
    • Loads dropped Dex/Jar
    • Queries information about the current Wi-Fi connection
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks if the internet connection is available
    • Listens for changes in the sensor environment (might be used to detect emulation)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4297
    • /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.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar --output-vdex-fd=45 --oat-fd=46 --oat-location=/data/user/0/com.yunshu.ku.che/files/oat/x86/com.yunshu.ku.che.bc.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4329

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar

    Filesize

    209KB

    MD5

    0dc26a6353349f37f043607e1da7c3e7

    SHA1

    371cc39e8be5b61871cdf124c3e0443606e9874b

    SHA256

    cd6e766a792ba83dd2538ee95300d15f025368b49854ba0390b5f24e8a8bed59

    SHA512

    80e6894b90cacd7ec7dd172db6a4270f11a9574006dff15858fa8f1cee5f873fdfbc05df206967f67f68ed776adbc79ae54f7c751327880a89ed1a8634267f02

  • /data/data/com.yunshu.ku.che/files/oat/com.yunshu.ku.che.bc.jar.cur.prof

    Filesize

    333B

    MD5

    4835ccd7fc55c83562183c89ede5d691

    SHA1

    44eb5e7ac5fabc2196eb95a9bd7cd34c05aa2753

    SHA256

    2cd523a425414039cb38b1bcb0128d47ed86cdf4b8088c4b442e33c687b0cd6e

    SHA512

    bad17f784e2def4689dbd75a19cfc92a65a1ed15e688f8258536fcc1a80bc96f5d17efccf7fbdb2a74d51b0c740980d42f263978f79417bd7ce8065bc27dbb40

  • /data/user/0/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar

    Filesize

    405KB

    MD5

    fde90bc4785b4ebf431f82e96c391960

    SHA1

    9cedba561079d07f1bf358b16c61de33bd6bde52

    SHA256

    eb557a82cbf91bc1594811fd2eb6a3d137287236c316cf4330693176bdb373c7

    SHA512

    f7c695fd4acb45f3698d6c1c46637d4782af858a23620653f4b2e45f001eb5f99673a2d5ff4d74abc752fd6823e6257a240dc19af65dba29abd5805b2edf7ce5

  • /data/user/0/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar

    Filesize

    405KB

    MD5

    877237b39ad40b467e0ce741a5b8dea3

    SHA1

    11aa0735af41ea8fa99d51b566b415d9bb9d99d7

    SHA256

    9dac30cf58a7afe1e88d3e8963e08dfdbf781f2fdf9dbc8da5246ad15a306c35

    SHA512

    e55a40fa06c491c44d36801a4c3469b94066b459722e0c0ccac87631e905aae2dc7d1de25cc1026acef0531ab5a87bd7a06be1da00849d15dee45f289f1df193