Analysis

  • max time kernel
    21s
  • max time network
    34s
  • 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
    27-11-2024 23:18

General

  • Target

    base.apk

  • Size

    8.4MB

  • MD5

    70ab871f494c38544e6a4de2baec9bf1

  • SHA1

    87066ef241f959d67656cb982d8d72cf5b4a410a

  • SHA256

    c7678bdc1ca3e4c42c4d7809312b46eaf8735f183dd18a1c5451dd0ffbdf0c1f

  • SHA512

    3b336bfa34276e281e07240daff65fcdfe3d71b8af1fc7dd39b653d190bbea17c55fd339c496a51d71e8b1b99cb6b5121e13c972e1256b03217f1163a460e906

  • SSDEEP

    98304:1NFi4t5tVKW05iSRGA1SFVkhe+4j76G+lru2/2pC0s4rgI6NRs40bTO:17Xt5tUXraFiUpj71+zHlNR1Ii

Malware Config

Extracted

Family

octo

AES_key
AES_key

Signatures

  • Octo

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

  • Octo family
  • Octo payload 1 IoCs
  • 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 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.

  • 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
  • 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
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.wbwlantest_watch92
    1⤵
    • 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
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4256
    • /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.wbwlantest_watch92/app_tobacco/sjEJYO.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wbwlantest_watch92/app_tobacco/oat/x86/sjEJYO.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4281

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.wbwlantest_watch92/.global.com.wbwlantest_watch92

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.wbwlantest_watch92/app_tobacco/sjEJYO.json

    Filesize

    1012B

    MD5

    72dafaa4bc2ec844ec24cb06762f3782

    SHA1

    fc5f9e4176361ab5391ebff63f15e4637627d356

    SHA256

    a185fdbc61af43d58201401fbcc2f9f1def2cf7570c6876e332e0831270c671f

    SHA512

    68e3231883b5b29d077c59522e0626e4b8215881255214debc1b1b5ccc7e7c9b048b259600d998aa7df3d30f64655102f7eb2ef6f17a27b597276a57a9de0b2b

  • /data/data/com.wbwlantest_watch92/app_tobacco/sjEJYO.json

    Filesize

    1012B

    MD5

    6df1256bfd77f45c8aaf23bc6248d97b

    SHA1

    3b4a8459f3a99824032e411f950bec91fa09d7e1

    SHA256

    f364d0af4fa021b88a47ff3e7b33fd32791392737644778ae2eeb0e0a98cb50b

    SHA512

    bb5cf8777bb1663724c91b9649df75f9280c0c8dcb17ff44b6bad87b8c992b81f32987575de78824df914dc7d297b61985d6cf92ad319a6372fd323717d392cd

  • /data/data/com.wbwlantest_watch92/files/.p

    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

  • /data/user/0/com.wbwlantest_watch92/app_tobacco/sjEJYO.json

    Filesize

    1KB

    MD5

    8808462afcb6241a13eed62416b9e661

    SHA1

    e2c3d00d80e37e8480386835371a4ae23d7921eb

    SHA256

    813436f8a1fb1593f0f7e8d0cfc20435d5abb1565cb2cdf0cce6a5579f6d04de

    SHA512

    6f69cacf846f8eb55d2c6d15274dbf021eebb872ce71e50ae4e2d64f55782977ddcdf8c05a86257c8c91aa455807b3a1eeed7eb9e8bbebb05c83bf751738fc32

  • /data/user/0/com.wbwlantest_watch92/app_tobacco/sjEJYO.json

    Filesize

    1KB

    MD5

    eb0786e9eb149ea9be97bb36efbdbf74

    SHA1

    cd1ea145a7676421f76c980ef582dcf3089f9780

    SHA256

    1d1d34b4c932336d855adebb16c1ece15798a00299e029d39135bf203ef5d03d

    SHA512

    6d0ccc91682675cce5f7d28b40fc08ad371a2d49e09962206c00927f73af8dd5cde2f5921feab2214290761593d35026ee9f71385e1e96f01a8dbf2b4b54ccc6

  • Anonymous-DexFile@0xcfa78000-0xcfafb880

    Filesize

    526KB

    MD5

    712b923f0b7b0544cb341dca61c24831

    SHA1

    8f4c884eea2248086c54b1895d04e47ca04ce5e5

    SHA256

    79ea82fb4f52bbeb36efa8a2ffc45166fd2ac9e3e08127becd3b21d9fb2ab302

    SHA512

    ad32f1fec2135544f618d482d7d2d74d4edcd7d2650091aca666a1472978cbf80b3dc6e801e92d2d4b8a0795eab276a007ba6e2028ee9c9ef2d1fd83ef8d7420