Analysis

  • max time kernel
    177s
  • max time network
    188s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    17-08-2024 22:01

General

  • Target

    d537e5c66ea2f3514c70477682e5a23dd063b07eb105faed887387f9a9340c6a.apk

  • Size

    4.3MB

  • MD5

    a6c0daf2ee18a3e9ebe8c4828b56a311

  • SHA1

    7c574f95ff3593008f02f9ed22364948d141c2a5

  • SHA256

    d537e5c66ea2f3514c70477682e5a23dd063b07eb105faed887387f9a9340c6a

  • SHA512

    ecf34caed2e57ebc4976ba3ca8e260ba3eda36fa1bd988f98888759140476300f214cf7e4c2c5783119c26fa77d26794d959621a745e4fc204abf0555712c040

  • SSDEEP

    98304:z4hHpPID/PEp/NuZgudmMYg7tOLI6L5snEi1SZWYplsPolMC/r:zkPw/U7udmzg7UP2Soa2CMg

Malware Config

Extracted

Family

hook

C2

http://80.64.30.149

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • 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 the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • 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.

  • Reads information about phone network operator. 1 TTPs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

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

Processes

  • com.afgbfzfel.ubcdcjled
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4267
    • /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.afgbfzfel.ubcdcjled/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.afgbfzfel.ubcdcjled/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4298

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.afgbfzfel.ubcdcjled/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    a55faf96cc457bfe661d038707c92453

    SHA1

    bd7de1215294eb14d0c4f09a0977c9411b24842e

    SHA256

    aeef92e506cc2ea46650fde6a37c1226311f47ece1a52545f3bd7017f863e15e

    SHA512

    76d167b5dbc788f6d7f38d64040df51446b0494e34d63b7b27f1d6cdf869caf108499f577c19b2170c934ced8561e7be902737cd9ff2b3dc438241127a272ed4

  • /data/data/com.afgbfzfel.ubcdcjled/cache/classes.dex

    Filesize

    1.0MB

    MD5

    d72df71c46aa9a802f1a8b0c21e496be

    SHA1

    df21795717241b7795289e23b5fb66ee31ebd167

    SHA256

    a498aee43e8dbfb84805f5c0966135ed0ab0074ea39685774e8a4695f72405e8

    SHA512

    710276390276694affcfcb3f42ef83fb7c89061d8e584407257bbca70abdfaffcfbca23f0e43aa60f77d752b58f3e9a2bd9b70d4cd950b041feee382d683e51d

  • /data/data/com.afgbfzfel.ubcdcjled/cache/classes.zip

    Filesize

    1.0MB

    MD5

    4634e3e8b259e20d02324d8fb00a358d

    SHA1

    62f35ebd6837cfeeffe87c0218906a8f83e8a84e

    SHA256

    55222804e2fda7a074791e9e9995a1bcd4b3022dca4af61d19a949421c8363af

    SHA512

    6334ed545aa0ecc889af4b78238fbe8a07e1fe3f71bb609356c9dbd58349e03d4fa0c05475dfbacc8fd117afd84291b6dac49fcbe833ecd34b20cf914809320d

  • /data/data/com.afgbfzfel.ubcdcjled/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.afgbfzfel.ubcdcjled/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    c14c8f2d4d6b75db0700b29e8d0310a7

    SHA1

    49e0d15c786e6f95aee897ad70e9a43fe9ca2eb5

    SHA256

    9eb254bbe2e2ad3d93131923f0ea1a082b9820bebf146d5af9f4dd6862691886

    SHA512

    b743da06d0a0dd89d78168cf9b8ed2c0739082a4da6c7707a15a6562c57d162cc01864364116ad6c8af203a7f0ba2c8554a093781ffcc6105af3452223a45044

  • /data/data/com.afgbfzfel.ubcdcjled/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.afgbfzfel.ubcdcjled/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    54ab9238fa29fe9c678d6f52e48bc371

    SHA1

    69e4f6376cea9827973f281f975210b944de16ed

    SHA256

    3631de688ee4a6c973aa7e3da368bfb0c78cf133b09253f3dae7d0ecac8ca001

    SHA512

    fb99d695e6ea3814a7598edd97fe1182e9f2e33c1d743d2157dc35f2d50c8a2179c75ad0e3d1f9291b96ff09b915b3d11359cfa2ac1ad266658e18f8d949f775

  • /data/data/com.afgbfzfel.ubcdcjled/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    8afbfa8b21111b17d45d07725ea5c918

    SHA1

    90d61837345559afcf6354cc4bd8b5ec6b81211a

    SHA256

    1009a781499bf6c93a9f30ee0025bfbcf03ad220f605b86378a265f1d3d04b3e

    SHA512

    15c493fd62d9128f052571fd5e0e6df93d2a3c7c4b770bd6ce6a39683da820c6617a63eba2f8f8d8d17c00ec614187d5ea6519ccaa7f3ca97daaa0889f52fb76

  • /data/data/com.afgbfzfel.ubcdcjled/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    4521f46cf7a5617516ee0286aa0ec7a2

    SHA1

    2d67a1a091e760396521604595ecfcee1f6f3ae5

    SHA256

    c9d015f25cf60ad1138a698b22363da5b46211ca5f77a9a721e27406a4e7ec86

    SHA512

    196c76584020e2f7d79d5b8e1063e13f2d8d45d54be6908b9bd5052f74660644cdbafe13f83e30dd065972a5a41604c8a02d14586ffcd5651d45b378c947d274

  • /data/user/0/com.afgbfzfel.ubcdcjled/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    367a2e188ce45a90a9d562c32f3fffd5

    SHA1

    bfd82c0a5ce5d338a44bbc8f0d08587a39a59372

    SHA256

    24a8a344cbebfc414b0975e0e5bb67048502081df4d3508ce9c983283b7c2a6f

    SHA512

    08617f3f79f212bf73f85af71869da4068be74c2f3f8248db1c25ab616faf2878769867acf266ade23d2e146c24526f60476415bed802f3b25557443f21ba5e0