Resubmissions

30/08/2026, 15:51

260830-ta1a9axwht10

07/10/2024, 18:25

241007-w2x2ba1dln10

02/10/2024, 05:42

241002-gegy9ateme10

Analysis

  • max time kernel
    1779s
  • max time network
    1784s
  • 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
    07/10/2024, 18:25

General

  • Target
    83eea636c3f04ff1b46963680eb4bac7177e77bbc40b0d3426f5cf66a0c647ae.apk
  • Size 7.9MB
  • Sample241007-w2x2ba1dln
  • SHA256 83eea636c3f04ff1b46963680eb4bac7177e77bbc40b0d3426f5cf66a0c647ae
  • MD5 SHA1 SHA512 SSDEEP

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 payload 1 IoCs
  • Checks Android system properties for emulator presence. 1 TTPs 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.handedfastee5
    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)
    • 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:4365
    • /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.handedfastee5/app_best/psaAu.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.handedfastee5/app_best/oat/x86/psaAu.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4431

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .global.com.handedfastee5

        • Path /data/data/com.handedfastee5/.global.com.handedfastee5
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        psaAu.json

        • Path /data/data/com.handedfastee5/app_best/psaAu.json
        • Size 1007B
        • SHA256 05bcf76a546375a5137bf7a5cacc3be4f96b0ef617b064a0d472a47ab2f1b0c0
        • MD5 SHA1 SHA512

        psaAu.json

        • Path /data/data/com.handedfastee5/app_best/psaAu.json
        • Size 1007B
        • SHA256 af7882df4e174d28b2418c8ccd948b98a1f228b5c01688359bf4166f55c431c5
        • MD5 SHA1 SHA512

        .d

        • Path /data/data/com.handedfastee5/files/.d
        • Size 307KB
        • SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
        • MD5 SHA1 SHA512 SSDEEP

        psaAu.json

        • Path /data/user/0/com.handedfastee5/app_best/psaAu.json
        • Size 1KB
        • SHA256 f6c6e849c75e06baf342855622cfdbdfc38b1688987f5e25de221973c5ed1661
        • MD5 SHA1 SHA512

        psaAu.json

        • Path /data/user/0/com.handedfastee5/app_best/psaAu.json
        • Size 1KB
        • SHA256 9911d55fb2f7e57240230eaaaf07d535d89e21d4f33013b901b56df1b154639c
        • MD5 SHA1 SHA512

        Anonymous-DexFile@0xd4078000-0xd40fb4ec

        • Path Anonymous-DexFile@0xd4078000-0xd40fb4ec
        • Size 525KB
        • SHA256 2e092a34e9dcf9f98636b564c29dc60c72b91f796026962ebcf8d0564188fbbb
        • MD5 SHA1 SHA512 SSDEEP