Overview

overview

10

Static

static

6

08478c94df...a1.apk

android-9-x86

10

08478c94df...a1.apk

android-10-x64

10

Analysis

  • max time kernel
    20s
  • 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
    21-01-2025 14:10

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General

  • Target

    08478c94df97cf5240855d2104e3ea383aeb9a7e750730a6ffcf4dd5868c55a1.apk

  • Size

    7.7MB

  • MD5

    ca4de35f2f56cff2b39a73b87aa2a936

  • SHA1

    73b060c80d61150aa0e5d9b1496069c185b2ba58

  • SHA256

    08478c94df97cf5240855d2104e3ea383aeb9a7e750730a6ffcf4dd5868c55a1

  • SHA512

    70e753417983106ae1542900b307668399df328d470deb9aecc4cdfdc4cf138ffd4c5a67d9c778130be169448cc060f17c95e27733355cafa8c3af279fb685e6

  • SSDEEP

    98304:jasM4sdjVKL8ub+j7O5iSRGdqfGw0kRsqO4vylamAg0:GsMbUb6j7Or3f/RK4b

Score
10/10
octobankercollectioncredential_accessdefense_evasiondiscoveryevasionimpactinfostealerpersistencerattrojan

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.

    bankertrojaninfostealerratocto
  • Octo family
    octo
  • Octo payload 1 IoCs
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
    defense_evasion
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

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

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectiondefense_evasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • 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.

    defense_evasionpersistence
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.reinstalls_connectivity32
    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:4257
    • /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.reinstalls_connectivity32/app_repeat/OQn.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.reinstalls_connectivity32/app_repeat/oat/x86/OQn.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4283

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.reinstalls_connectivity32/.global.com.reinstalls_connectivity32
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.reinstalls_connectivity32/app_repeat/OQn.json
    Filesize

    1024B

    MD5

    f2c866a12562658d06a53e3cc02462cc

    SHA1

    f6f2f3492129ea09a41181c2e93974f044a06eba

    SHA256

    f4d1df987fab58d3a6e63260768b7dc3be0e032bf89f3c5b77f44b1548c4c683

    SHA512

    56866ee10007e59aa3c4cbf86d29f6fa8cf44bdef4f7361b1062d6aea32c5e01ef99b296fc510b9b072f1c4b4b239d13d8603e73f59c1470b16f9641222e8422

    Download Submit

  • /data/data/com.reinstalls_connectivity32/app_repeat/OQn.json
    Filesize

    1024B

    MD5

    f85ff86605a6fc5d554f26a7bf4b4f6a

    SHA1

    9b4c2d830fffc199f821060471cfe0123ee998ff

    SHA256

    b26b2d75da3e3b0b11ea728ae4a151b30456bf19579448ebeab538ff0fcd973f

    SHA512

    2c49ec83b0480f2fe4e16004d90b6bac8d4c5c75530a609caf87da4ff1bf33434057b227a62166af3d344e77e8ecb0a84f452d29e6c492e07a68e707672f5040

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  • /data/data/com.reinstalls_connectivity32/files/.k
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.reinstalls_connectivity32/app_repeat/OQn.json
    Filesize

    1KB

    MD5

    b1c5a4af9d34e66fa587c9fd9011e5c6

    SHA1

    e9991533060ab06f65632e8b1a20084896c9941b

    SHA256

    065adaed57a4c99ecb00167b3ce9d8e33e75e9ac3d3ef210d7f85b61cc69ef30

    SHA512

    9e57eed72800e080b01b6886b216f8ca8e2ebe9070cf85a32afeb641ca192115cbbfeea07cd297c0e4f0810d3aa7814c2a110dea11f96b3cd0caf60af06ec9e8

    Download Submit

  • /data/user/0/com.reinstalls_connectivity32/app_repeat/OQn.json
    Filesize

    1KB

    MD5

    591135b74d2ee23511d86093a525fa1a

    SHA1

    c0a11ba57c392a6a764f8ab2f47dfeea07bf2b15

    SHA256

    1124e2b10527b5c1c5239aa8d205396975daf6fdd616835d176f27b59aab7b8f

    SHA512

    0e53ab4a689078436b392c7204de6488211a431946d883d44f473260d12ea2c9d5aa9d466af4c2acb0ff8f3ed80dfd796517540bd7bb363fadd04ea4bf876c41

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  • Anonymous-DexFile@0xd32ef000-0xd3372b1c
    Filesize

    526KB

    MD5

    c5134e2284f48730dbb76c13513d78a8

    SHA1

    d7fe8c15d036fc48e61df11cb19613465059e027

    SHA256

    d8fa77147c9fb582512fe6c2bf5cf0e12414e89b35879a7369b0296245bea831

    SHA512

    d94967ef2aa72cf0a9eca86ac318100e8b7947e3ef84c6fac4ae12b84c2a8c95bbadf6c4acc6f02e54a37afceefb2c4a215a19aad6bc2215b9852b652497a8c8

    Download Submit