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Analysis

  • max time kernel
    140s
  • max time network
    150s
  • 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
    19/12/2024, 22:00

General

  • Target

    385c92b0c4f5af85151eaed41bf8d11bf726921e7a4a36fbfc2c9aad45addba3.apk

  • Size

    1.7MB

  • MD5

    c1808b481e4f1ef71045d0a7e2619f65

  • SHA1

    d86c9881ac6e5d58f99be555cb52cf88b2ae4fee

  • SHA256

    385c92b0c4f5af85151eaed41bf8d11bf726921e7a4a36fbfc2c9aad45addba3

  • SHA512

    62a89f9da0749852a740c62cac3ba03430a40588979dbc80ff832144a0c6cfce55eb5de0d655f7bc6a021b78b1796e0b4f62a715af91d06caf134d02bb6e47b7

  • SSDEEP

    49152:pA+KidEeQ/WIWowWWahJnMA1uFDnoNTLbcemZWhLrL:pFdG/1WowWoA1KsNTLgemM1

Malware Config

Extracted

Family

cerberus

C2

http://94.250.253.26

Signatures

  • Cerberus

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

  • Cerberus family
  • Removes its main activity from the application launcher 1 TTPs 2 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 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 the phone number (MSISDN for GSM devices) 1 TTPs
  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Requests changing the default SMS application. 2 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.swing.often
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests changing the default SMS application.
    • 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)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4270
    • /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.swing.often/app_DynamicOptDex/NQ.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.swing.often/app_DynamicOptDex/oat/x86/NQ.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4295

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.swing.often/app_DynamicOptDex/NQ.json

    Filesize

    35KB

    MD5

    ec322e38c43afd6e408508b97f43aef2

    SHA1

    adadb7ad49531cbfd3f3531cfec875f81905b89b

    SHA256

    267027e868b821518ba2ffc000d424ce76e9e28b0b81e40da3d697328c02622d

    SHA512

    e6a5b8dc8ae9de235c0e3b3cca6af059d9c1bc1056e15510658c5679aa49f5e133e46a92bf042f2284eaceea6d800bef49d5bab505adc8b03f1e1ae6de5f570b

  • /data/data/com.swing.often/app_DynamicOptDex/NQ.json

    Filesize

    35KB

    MD5

    91e08fbc47e803f3f5bd2e0d39e8f167

    SHA1

    cfea44c91ea7ad6d866aa21e7412cfbd00873fa0

    SHA256

    8381d8eed74280e8cd5a6e6808963c17228729bc1d04353898d05e9815555d40

    SHA512

    b23155758dbc7df8ab5b0d1bab2439672f20da15129419bd2cd432b89d9b527b0cc03fdca6c1e04d3ac9495df4fffe7c9b8586bef311a98cbad08d1369710122

  • /data/data/com.swing.often/app_DynamicOptDex/oat/NQ.json.cur.prof

    Filesize

    251B

    MD5

    75cb30c10c2ae1c0add1099eaf933374

    SHA1

    598065266fe843c403536736872c2f125225a6d9

    SHA256

    7bcc1cb915be55d76fb1f1b44bf3f50df7314136d48597c3f1ad9cba10f76760

    SHA512

    16b495d82655b9aeffa1a9d253e50c006284b5033066c2fcda096f7db2bd58874fa5ab5b298f9e4f54375775b5bd695897235dfd1a6dd2ff94a980d7edb20776

  • /data/user/0/com.swing.often/app_DynamicOptDex/NQ.json

    Filesize

    77KB

    MD5

    9dfa580aa93694ae97b83ecb5cfa9ff5

    SHA1

    b17c51cbd1dad8b069e2ac3adab7fccfd6bd624f

    SHA256

    caaa953fc8d5eb5d2cbac6e280ed76c7e3ddaa2f0f4eb2ed5e7d58b7b7015ddf

    SHA512

    22c51103d9bdf7997ccb6557c92613f431b9c643a1825d4264fd4767a0f1f8e66b8f2719ccbcda1bf5aae2c9448729212e722b6d9091a4f1c7eb6cb6bdb034fb

  • /data/user/0/com.swing.often/app_DynamicOptDex/NQ.json

    Filesize

    77KB

    MD5

    fbfec32963eec74794d898179aee8b56

    SHA1

    cc98bdf6e6fc12d7fb8ec6caf36d7b0cb35f7ca6

    SHA256

    d15f4935437ed4422d98c2c68a1d352a781300349596adba217d9b2b94e2eca9

    SHA512

    f846a87654034a0e00044859e354598e244d4d52c0af1bc9240b143c566919c0aa108baaeb9bf24e8c030f973b1202c417e82d72db7b0b045ba2371fdc5c1bfe