Analysis

  • max time kernel
    3048935s
  • max time network
    156s
  • platform
    android_x86
  • resource
    android-x86-arm-20231215-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20231215-enlocale:en-usos:android-9-x86system
  • submitted
    25-12-2023 18:19

General

  • Target

    33ffe41e2a47ff627c399aeef893016d.apk

  • Size

    3.8MB

  • MD5

    33ffe41e2a47ff627c399aeef893016d

  • SHA1

    c8519ab02a57140b055069ab51a9ba18f3435cd9

  • SHA256

    745531bf76372c3b01d415807a979032ccee9c06b80db744f67d0ea2dd1775ce

  • SHA512

    b05964597773087c7b5fcf699673e56e92f97f153a072e34152faae3a77c5e3f0125659763b6c8bb362e334768a5f686036f9f948c6dbff468249a0e73b4f3ea

  • SSDEEP

    98304:NjVypqPWr6K9rdrwHqpowv+KcixXhTgWdhgVIEWWa:NjVypz+KBdrMqGIWaTgWdhgj8

Malware Config

Extracted

Family

cerberus

C2

http://164.90.198.228

Signatures

  • Cerberus

    An Android banker that is being rented to actors beginning in 2019.

  • Makes use of the framework's Accessibility service 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Removes its main activity from the application launcher 1 IoCs
  • Loads dropped Dex/Jar 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 IoCs

Processes

  • talk.exercise.notice
    1⤵
    • Makes use of the framework's Accessibility service
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Listens for changes in the sensor environment (might be used to detect emulation)
    PID:4249
    • /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/talk.exercise.notice/app_DynamicOptDex/ctFjHtO.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/talk.exercise.notice/app_DynamicOptDex/oat/x86/ctFjHtO.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4274

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/talk.exercise.notice/app_DynamicOptDex/ctFjHtO.json

    Filesize

    683KB

    MD5

    26abdd28bdd6f749499fe1d66d928809

    SHA1

    aed3f8d41c4fed0218a0fb61eb5eb5e3abea4bc9

    SHA256

    8b9a42de2856fea4938ab117c70d4efdc476a654700b405b3afab7f0f7e64a39

    SHA512

    6d205877571edcd04080c475c483c0ef1cb4662df179c6959d819f3d0d6916bcb143cea4b256ebb0402fde24420b27da02efb4cf9d5e1f8edfaf87e4483d7540

  • /data/data/talk.exercise.notice/app_DynamicOptDex/ctFjHtO.json

    Filesize

    683KB

    MD5

    0a90b7aca91c39c7084571f4c073a164

    SHA1

    138a3d2811c4272c28d9eb04d500cb72ee557b34

    SHA256

    156d26c8865aa4a99a177d7ef4ccb434ba40c7df9ea6fc109ff139c2201e9a95

    SHA512

    bc9c6f35ae147bcb4e293dbf51fe92c977c8a8bf7a262920ce1e77318a5e5920bde4da6646dabae45446d9a574094ddde3cc91ee4c7f1c4b42448446f2dcea7e

  • /data/data/talk.exercise.notice/app_DynamicOptDex/oat/ctFjHtO.json.cur.prof

    Filesize

    825B

    MD5

    044bbcb40486c15f1393c5df2c715e6b

    SHA1

    05039bea81b04db9cc8f5bca444e1f2ec1a73b77

    SHA256

    fd5860162f71de81df027cb8c7ee89c937a6b8cff190cbf9e17b0438d73e64ae

    SHA512

    702662dff5a231e6092d67d539c71dcdd8201e2f00ead76714f17899b343dfa37bd193ceb68885d8fb63954eb650daf86e7501a955aa9ba6d97822472e908a6e

  • /data/user/0/talk.exercise.notice/app_DynamicOptDex/ctFjHtO.json

    Filesize

    683KB

    MD5

    6ff35c779b1b05688395eb1681b17ba1

    SHA1

    d9040eeeac2dcb9d685c8d0c6cd2594aa8618520

    SHA256

    97be1794d21ba8b9d1397fb8177ef70ac90e2a2061c271f5a5eb9a9c8494afeb

    SHA512

    794032dad0468f99ffaf0215329807b09942495f519e034e15f58740513e51b969ac7187c5e9f7e2607b0fe92a455fb06e543f06e8fe92d5f490f73e435d331e