Analysis

  • max time kernel
    149s
  • max time network
    131s
  • 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
    07-11-2024 22:01

General

  • Target

    a9c13db37e60dfb5080ee593ed308b59a362c01dfcbe5f3cb5e2b54410744d09.apk

  • Size

    1.4MB

  • MD5

    cb0cac40b11783d3fc8a98d5e0bc753e

  • SHA1

    1e4b51a08429c0ed99c32043322229ca8cae8cfb

  • SHA256

    a9c13db37e60dfb5080ee593ed308b59a362c01dfcbe5f3cb5e2b54410744d09

  • SHA512

    6ad053116297b745748379289c709a1a4409e1ec3ed3e102982de42b8dbd382e3133ccc38d577263207b4ba4ec1a80c95404bc68ee390c5ad01b1a450d0ecf15

  • SSDEEP

    24576:yLJneLuyjtJ6cnXD7NCYhN+SUwlXl0kWCbu9qZp9+04CaEA9q:yLJnEuyjtzDJCYh6wlXwOqqR4CaEA9q

Malware Config

Extracted

Family

octo

C2

https://ligheruh80fkfj895ik.online/N2Y5ZmU3OTI5ZDky/

https://yuren94kfdodifvreh.site/N2Y5ZmU3OTI5ZDky/

https://t54grtytrgsrewt563.top/N2Y5ZmU3OTI5ZDky/

https://frret54tgh4wffdf.xyz/N2Y5ZmU3OTI5ZDky/

rc4.plain

Extracted

Family

octo

C2

https://ligheruh80fkfj895ik.online/N2Y5ZmU3OTI5ZDky/

https://yuren94kfdodifvreh.site/N2Y5ZmU3OTI5ZDky/

https://t54grtytrgsrewt563.top/N2Y5ZmU3OTI5ZDky/

https://frret54tgh4wffdf.xyz/N2Y5ZmU3OTI5ZDky/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo family
  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 4 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 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 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 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.layplane6
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • 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)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4262
    • /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.layplane6/app_DynamicOptDex/UZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.layplane6/app_DynamicOptDex/oat/x86/UZ.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4287

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.layplane6/app_DynamicOptDex/UZ.json

    Filesize

    2KB

    MD5

    340a877f5f49cfe94bc692a1210e0d6c

    SHA1

    e87f7d53dca7710460457722a2515c2277622ff2

    SHA256

    ae0e93785989b76165cbbcf1b58d8acc8b3a12111fa4c7f626e6231ec930cf6b

    SHA512

    3e10e77064f57211ad36e343c258368e6b2eb04b0d72f1f876331da745fcc3d75ea75644edb750bb17a9efb0ba9355a2a43d0c1f2e26585117c7587954cd88ef

  • /data/data/com.layplane6/app_DynamicOptDex/UZ.json

    Filesize

    2KB

    MD5

    be837b0b1c3254e6d8e033f1fb2b733b

    SHA1

    5133d1b128af46d663a3362b422dca36868460bb

    SHA256

    cefa5d37ab63c44710fd3003a6794cc59a39d8a4f8dc260b5307850c7cb4275e

    SHA512

    079790070f30d69e8587c91da6b2bb6ee481a01850e6e4419cb963635c2d646d4d87fc797ab8a4593dac8fc000f35eaf102584f7db010ce48924682e4cfe86ea

  • /data/data/com.layplane6/cache/ntxxlcjc

    Filesize

    449KB

    MD5

    102cfcd9da68170c68c6b36b093dc40b

    SHA1

    50ba6d45ddbdf265335d65d3c2c3b4e80f0a96ad

    SHA256

    0d700ab757f1272b2892e7fc53e8dee7542018e6a13caa4f775441e93c0fbf58

    SHA512

    5355767b3e73b2b4cca7cd342201b79a029cd69c837b5cdce136cae613b0923bca7231f89378560193bba1cc19459119b2349cafddecc0fbaf79e63f46e50b51

  • /data/data/com.layplane6/cache/oat/ntxxlcjc.cur.prof

    Filesize

    472B

    MD5

    6c0d4b5e7fb9e1427205ca0f6db72f40

    SHA1

    55b719a7bddc52dbfdfc2ec56e01167c8a343a76

    SHA256

    f87716fca96e34e70d357be7c88e3f9bfe5f64bc6647fb6598735c652a8bed54

    SHA512

    bd9b3b6ed98badddc7acad6cb061392be82e2db9df7678a05e499b69e04566028886d50633feea5affee76cfbeeb6d99b56481afc1688f9bc969b2f520d9874b

  • /data/user/0/com.layplane6/app_DynamicOptDex/UZ.json

    Filesize

    5KB

    MD5

    542b0bbe533d3aefcf2310fd5f3387cd

    SHA1

    2cf54fac846c1e5a391d751c70e95c688b722e0c

    SHA256

    78673552668c0e656a165215809025b2a80b10ee3f5456f2a084af14aa45020f

    SHA512

    12870c147eaa00af37e75c3ec4306347216454d4bb72ce4e656dad3e594b378414447bb7f204b620753cf7c3dd1e88ba14369fba5fb4e9e5603951c0de154ab7

  • /data/user/0/com.layplane6/app_DynamicOptDex/UZ.json

    Filesize

    5KB

    MD5

    83959346e936cc2097f4873fd4f9e0c1

    SHA1

    1b4bc10df350770b140b7e0e153ea6ff9db1ce20

    SHA256

    52291733d86b51d1abccc8ac99c6ba1731ef14cab62c356cb94ef83d229cb13f

    SHA512

    6a4b21ec741b0e8968c026c18083de85d631e148788254997797e84f92d6f06fb23bfa76ea95c0904fdc1f72b2d238c7383ce9e65d3ac377bc41f02f47c8152c