Resubmissions

15-05-2024 07:54

240515-jrt6fsga83 10

09-05-2024 22:02

240509-1x2k6acb72 10

Analysis

  • max time kernel
    66s
  • max time network
    225s
  • platform
    android_x64
  • resource
    android-x64-20240514-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240514-enlocale:en-usos:android-10-x64system
  • submitted
    15-05-2024 07:54

General

  • Target

    838d6dd49693cdc1c25d72978c4f6ce54953103452f45fff609c16ecd489ea4b.apk

  • Size

    517KB

  • MD5

    130eef47e71b3381ee955c0d7b55320b

  • SHA1

    fe3f28cf35caed8f2026a4815dc65225830f5e34

  • SHA256

    838d6dd49693cdc1c25d72978c4f6ce54953103452f45fff609c16ecd489ea4b

  • SHA512

    1ae28788cd883a6620a75e1dfa6dd0fc34f079daa70b8e527b35e24bc8ce6f3753e141aa745054e6c8eb7d54f822c924e35f5c0d76634a408d0b466681db15c1

  • SSDEEP

    12288:VBz5jnPVuv9cpYWI5XMJ8eTN0dP3CD9bVo71nrifFnrpCHvTz51oae/sdJFX+SnH:VV5jPVuv9c1I58jTqP3CZRo71nriftp+

Malware Config

Extracted

Family

octo

C2

https://zirbnarg.top/MmZmZGVlMjI3NzU0/

https://jilepofk.xyz/MmZmZGVlMjI3NzU0/

https://wustyelk.top/MmZmZGVlMjI3NzU0/

https://mixylozt.xyz/MmZmZGVlMjI3NzU0/

https://quoxvebz.top/MmZmZGVlMjI3NzU0/

https://hifkxarp.xyz/MmZmZGVlMjI3NzU0/

https://dultzown.top/MmZmZGVlMjI3NzU0/

https://kervplun.xyz/MmZmZGVlMjI3NzU0/

https://vikexems.top/MmZmZGVlMjI3NzU0/

https://bontmawy.xyz/MmZmZGVlMjI3NzU0/

https://sirljufi.top/MmZmZGVlMjI3NzU0/

https://glaxwimb.xyz/MmZmZGVlMjI3NzU0/

https://fruljilk.top/MmZmZGVlMjI3NzU0/

https://zoxtneep.xyz/MmZmZGVlMjI3NzU0/

https://yampdrik.top/MmZmZGVlMjI3NzU0/

https://zorbpuft.xyz/MmZmZGVlMjI3NzU0/

https://riltshuv.top/MmZmZGVlMjI3NzU0/

https://vempyurt.xyz/MmZmZGVlMjI3NzU0/

https://hozzkwor.top/MmZmZGVlMjI3NzU0/

https://dyltwerm.xyz/MmZmZGVlMjI3NzU0/

AES_key

Signatures

  • Octo

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

  • Octo payload 1 IoCs
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Prevents application removal 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to prevent removal.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • 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 phone number (MSISDN for GSM devices) 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.marktravelrbmg
    1⤵
    • Makes use of the framework's Accessibility service
    • Prevents application removal
    • Loads dropped Dex/Jar
    • 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)
    • Acquires the wake lock
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5146

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.marktravelrbmg/cache/oat/tghlzrdeisaq.cur.prof
    Filesize

    542B

    MD5

    2bed9bc16bfab4c59ce48a47208192fc

    SHA1

    10e00194c5f98ec2c376eede4e25c23d0b28280e

    SHA256

    543f2d830d7bb8b2cef6cee2f2b4228c1945b70ae965e0a2fde5541bb6c28cc1

    SHA512

    b0a5781eb4020120ec9e9dd06302a640d0eff935f4d9657d3f3dff34e065375f1a44a39bef25846497097e9cdf0109028e2bd3ca0f4b887b971d1c53b83fe30d

  • /data/data/com.marktravelrbmg/cache/tghlzrdeisaq
    Filesize

    450KB

    MD5

    7d9b0b0bb0b0370214b65025e8cf4f8f

    SHA1

    83d37543b202e5d361bf3510739b8896373fa4b6

    SHA256

    675dbf715e9ba1c664ec082d345303dc4440feaf5be49d5f9824730bea1dbc63

    SHA512

    3ee97cedfc1ef3c88d7076353b98b94ce90910d8839d0acdb447d8f1481440bbe634e7114b69b71677ff49f31df53ef6717d788400ebc9eda067353b07d7fa57