Analysis

  • max time kernel
    63s
  • max time network
    130s
  • platform
    android_x86
  • resource
    android-x86-arm-20240221-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240221-enlocale:en-usos:android-9-x86system
  • submitted
    06-03-2024 12:19

General

  • Target

    b7638ff22370a672f8da8ce79d5da97b.apk

  • Size

    3.0MB

  • MD5

    b7638ff22370a672f8da8ce79d5da97b

  • SHA1

    0f970d5c3c1d04740528a988a92ee72f4b3f5a81

  • SHA256

    34285952e2dc998f9e94dc41228c6b74c3777b403e57fc239a362cc1e4e7cb71

  • SHA512

    f99bd7252060afcf13bcb4ddaee126dfcd032dc5b4ad02aa47e4d7bae823b558d19ac39746a153bb23bf8b0436da2d9db92f3eb15f7757fe51f18a722d372e14

  • SSDEEP

    98304:k/GrGuxWqpC50FKdLWI0GHzoJuft+o5L2pFFvC:k/GiSY50+WI/Toq15ip7vC

Malware Config

Extracted

Family

cerberus

C2

http://denemeamaciyla.tk/

Signatures

  • Cerberus

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

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

    Retrieves information displayed on the phone screen using AccessibilityService.

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

  • easy.cigar.stock
    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:4276
    • /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/easy.cigar.stock/app_DynamicOptDex/lKY.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/easy.cigar.stock/app_DynamicOptDex/oat/x86/lKY.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4305

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/easy.cigar.stock/app_DynamicOptDex/lKY.json

    Filesize

    628KB

    MD5

    88170bc0d7becd86b0770011de000abb

    SHA1

    50595bdf1ab5d60a10be3992cf7df0177dbb1447

    SHA256

    0c78ecf78f67a565d2e051430bbd9000f7ef6ece1ba4c722c12021be2adcd771

    SHA512

    7a9c68fa5191ac7c861c92003691429f08e8b11d21e702bbc31d71e2f513712c8f1def2140e257d32d49211bd96cedf12a2cd1e325d1dd7992ff8099f70d93b3

  • /data/data/easy.cigar.stock/app_DynamicOptDex/lKY.json

    Filesize

    628KB

    MD5

    6c9c0926ed81b3109379fb9ff9fd0b72

    SHA1

    cefff7b4c73a8aaac1af8d9d3bcdb12111ef7530

    SHA256

    f2c723b899d3e427e53fe1f8fa1559a80c965e9a577a160ac7c0e02cdb67cba9

    SHA512

    6bb163fad2cd5b64579ea114a02da355d690901b73cb46d6710f846eae3830229d6b182320076ec46f12f1244665411dc5dbb4b08341f760386b71582f0efe32

  • /data/data/easy.cigar.stock/app_DynamicOptDex/oat/lKY.json.cur.prof

    Filesize

    904B

    MD5

    dc5bcefee7fd1edd8dc753108da8a2b5

    SHA1

    63fed5104b5054c106283f1155651b58ad845367

    SHA256

    7844a30df13f899fc112b65dccab4e5a5d5864dee5ad02902ac970b0b9bc4e5b

    SHA512

    563fb4e644c6fc1d0a5d7dcb8b32b57f471d94ee816486a26870630bc7e21fe7f983aa408216243e1a4d4ec4ce87119697b9fc0f4428da291a81e9f73b04fc1b

  • /data/user/0/easy.cigar.stock/app_DynamicOptDex/lKY.json

    Filesize

    628KB

    MD5

    78b77b64cf1389ef7c5fa5c862967139

    SHA1

    4123fe811c507b20f06a12a1d10416a09fa55078

    SHA256

    1648ee85b0561a8703bc047dd5ba5ebd4d43e5233f6b9ccc9b2168ff9926a767

    SHA512

    fec2bc63b828a96b6275b6e8b4280e6391eadce91264800d2ad26fa04b4ef7c61bb98619d2a691f8307996a2b44749cba1b9c3173de31dbb12ed7bfa813222ad