Overview

overview

10

Static

static

6

file.apk

android-9-x86

10

file.apk

android-11-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    160s
  • 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 07:01

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    file.apk

  • Size

    7.6MB

  • MD5

    b7761d4018845e498ef5346fe7df5046

  • SHA1

    8ee9f8d38a8346285ab4620ab62eb1682b2b51f7

  • SHA256

    cfd13962829901068562d55a62007e59a04533ef37e683c18f668f4b9b631681

  • SHA512

    2bfffb7148d72eb04410aea19ddb2d7c43822da1a7d25e6631c1b0a7fbdf10b0d5892bffa82630798da8625c1e9a2c4c1defe03f068ce10da86b81543506a399

  • SSDEEP

    98304:01l5iSRGOiEOs1ZTH5G0RsaNSt8j70VKLxSiAvQdlyD:01lrHT5G0R7guj70U0iEQo

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
  • 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.xaapplication_notesi
    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:4249
    • /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.xaapplication_notesi/app_invest/ys.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xaapplication_notesi/app_invest/oat/x86/ys.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4276

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.xaapplication_notesi/.global.com.xaapplication_notesi
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

    Download Submit

  • /data/data/com.xaapplication_notesi/app_invest/ys.json
    Filesize

    1014B

    MD5

    085e66d584e5ca8217a4184de9c19a06

    SHA1

    3efd05de59acfef78494801c2ba40572953cc72f

    SHA256

    94db9f1ee6370b276ec68468faee14cf92f0603bbe6ccede4afbdceb3bc0e4c8

    SHA512

    76e60c74a03dc4246b3d3e074baceb92ae20b24306193cb510446696274981cf095d0c77b3b85af656ea8ce5ac98334b65784f29b2e7669f6eb80528769147b3

    Download Submit

  • /data/data/com.xaapplication_notesi/app_invest/ys.json
    Filesize

    1014B

    MD5

    bebc6a4f7577054d43e698f91df61391

    SHA1

    6f3eb27b0940d14e2718f7eda4d35146ed006004

    SHA256

    9f8efcb2281bb94015e8f5a733630c82dfed6585f07a1a4df1f15b19289094a6

    SHA512

    83ba7c68f5abbab15f04fb95e9ea0b5439317496e3ce954c8d677a8f97f00d55eff9c6cbea6c44d10890f9706fc28ca75057d980691ac9daaa8be9b0e8aef388

    Download Submit

  • /data/data/com.xaapplication_notesi/files/.o
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.xaapplication_notesi/app_invest/ys.json
    Filesize

    1KB

    MD5

    39cd40dc2d084043bf043759452c824a

    SHA1

    07ec1e3ea6c85685cee16726284d8b90820a2da2

    SHA256

    0d834d3aff4207e9746c3e9d7e8bc6f2af6dcf5ae5ef40dc85918145ba55323a

    SHA512

    cda6124d30ff70cefe5562614676e1f2bd557c9841667e0a1503afa7b95f0ff7c0da83ff8b996d1a06006417c40429f24babcc096d00684c1582ac007ba58003

    Download Submit

  • /data/user/0/com.xaapplication_notesi/app_invest/ys.json
    Filesize

    1KB

    MD5

    c4aeb5264ecb325e767555218239fb6a

    SHA1

    1140439aa33a609e98cf2daed071dfc784cab5df

    SHA256

    9970e7f998f05b076c13d3bf68c53331e2aa9e91adcc489cb07abdb26b9be83d

    SHA512

    b61341f9dfc62b16f36d025a985e53f65c8e30c030e7102ad1d1292d29e4dc8ab4379c015a198a4d3fd80cdee7eb8a9f16902a467d4bb67c9d596b8b5b07b7ae

    Download Submit

  • Anonymous-DexFile@0xd1d78000-0xd1dfb8b4
    Filesize

    526KB

    MD5

    b3fadd7baa42de427c805f7077fb2270

    SHA1

    ada8b158bdf2a2a8713471dc265cc4e1a5edcce6

    SHA256

    ecbaf4fd33d364493df749f76310dc21ad4ab5f39a0564e2c7f90b470d5daad3

    SHA512

    7f6e48a11ac67e1c47a8f9905754e13b4dffc0435a87f504480be31c52d44fdec47d6cb87148fae3b13f7944a5fd1fcc7eec9dae1c4dd1d1dfe2ceb1633dde1a

    Download Submit