Analysis

  • max time kernel
    19s
  • max time network
    35s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    16-12-2024 03:13

General

  • Target

    faa97381ec7767e2492f178601ae537b26cd1996f2781bb5915fb2daaefc043a.apk

  • Size

    7.6MB

  • MD5

    63cf5951d97dc998364f4dbec9645f98

  • SHA1

    d31cce04908c900253a6f5ac26aa28cf3e2f2484

  • SHA256

    faa97381ec7767e2492f178601ae537b26cd1996f2781bb5915fb2daaefc043a

  • SHA512

    24b9d0bb005f988b015078db879f9eb65c8a9dc9f65e1023154cbbdba2df7bbbb22fb45e16e5e8b198f7ecb0c71f5078db589f4c5ae9f35b98dd1bbff3cdbb2f

  • SSDEEP

    98304:ek25iSRGEkVKUlRsipETr3XTpTUgIwoLgNxX1AENqZyt4v+cEPFp8T5RiIbYuL0X:ek2reUcR5Ev3XTpYgIE7qZvv+cE9IbYx

Malware Config

Extracted

Family

octo

DES_key
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
  • Checks Android system properties for emulator presence. 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.

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

Processes

  • com.network_personalizationgy0
    1⤵
    • Checks Android system properties for emulator presence.
    • 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)
    • 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)
    • Checks CPU information
    • Checks memory information
    PID:4212
    • /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.network_personalizationgy0/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.network_personalizationgy0/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4238

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.network_personalizationgy0/.global.com.network_personalizationgy0

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.network_personalizationgy0/app_dex/classes.dex

    Filesize

    1KB

    MD5

    23f8e21de3ad3f7e0c751231aa97db0e

    SHA1

    9b10935104555cd0997c461d69cafd336696a8a8

    SHA256

    bb03950a89b17c1874a3b8a36f5b1ce00fe7c2389551a683900268c04b9dd05b

    SHA512

    7fec2d765956244d4b127c4f21e7c19c11e0a98c7007ce0a456a089a0102361d3a26eff3cec04428b1a49a16aacd3011b7c80b5b84775bb9103cbc2d92125af8

  • /data/data/com.network_personalizationgy0/cache/classes.dex

    Filesize

    1KB

    MD5

    e200b462106eaecc53a5d8ab1c64c8ca

    SHA1

    5c5dbb14fe30d528d33125878d199785e757f997

    SHA256

    6990bd5046f0b29b610ace3aa45286f9d6808d30f665e095987c036dd1f58f45

    SHA512

    a116f6a28350b60a3b58378028a40584bc296f46e0c25f315db73038386b09b41d58a326e7fb73871d00f96e4f39aaff925a79da2d8fd419424b9ec0f6779d21

  • /data/data/com.network_personalizationgy0/cache/classes.zip

    Filesize

    1KB

    MD5

    2b3c9e87ecc6950b76fde6472d7d5fdd

    SHA1

    f60b07dab3857a57e65fbbc99317849cd1c8e1f9

    SHA256

    c42a06fb02aa41c303fb8f69f53eeb369c97d1040ecede5983510f5d23ce5853

    SHA512

    cbe09c3e7655c04383d826fc6350343a0a63671a03a484d37d547712050248bb3378be7c821ec37849b1bd30605f258c72bfa1118c6d763c9532a60cf7580bbe

  • /data/data/com.network_personalizationgy0/files/.k

    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

  • /data/user/0/com.network_personalizationgy0/app_dex/classes.dex

    Filesize

    1KB

    MD5

    2ea57b763daaa73dbc557160947e01d2

    SHA1

    f3dbc6a139ac90927607ab19a65084d9670235b3

    SHA256

    d8f1c8a6bb77ad93ed668bd9c304a5f3f4ac94cfeb96d91ad940a2e5cb1b8aaf

    SHA512

    13fe454f11235c429d3090933307ad09bdb2d6492db4be4b82ee5501af18b47c18eeaa7d6e2b488093aaae954bd2b0f992ce60a411f4591ddba80011edeaa380

  • Anonymous-DexFile@0xc75f8000-0xc767bb74

    Filesize

    526KB

    MD5

    acdbffb7d65ac5de5bd5717cbaae2f42

    SHA1

    d774789366a4e9eff45302ba0f7353635beba049

    SHA256

    0c1e30e36c24681e5e9f40f697583c1d5f91b6d645a92bb1230f05d637b3ad5b

    SHA512

    611619458119a3cde85d18cdfe4e1196457de1a6542027af31212fe8fcfd73aa0eb091ff55f9a85d7c8a941890a99b51d4ecebab5393c2468ddcb8ceda9b6d28