General

  • Target

    831355d1046e4b2887564fc4a66d16231cd10c240e5b4e78d4eb66f19711d0c8.bin

  • Size

    509KB

  • Sample

    241010-1w4zwsthjk

  • MD5

    13eec609b4354e02a8a35057bd9b9b48

  • SHA1

    05f90d2f4e15f347dcd9cbc56e4fcdbf4a85c0a9

  • SHA256

    831355d1046e4b2887564fc4a66d16231cd10c240e5b4e78d4eb66f19711d0c8

  • SHA512

    75371a193cbfc0b36fe3d14f771783a2cbd7d3bd2ea02f4beedb388a885171f8a384c36e2f341515dee69f4d11be9f213c0f7598c557fdb9a4216019fc3f1aaa

  • SSDEEP

    12288:ZP2ot3tAelDVJjXrKm0No/bguvB6/Nf9ts0Dw/62VXW+unW:Fxt24Nx06Ps/C/fWnW

Malware Config

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

rc4.plain

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

AES_key

Targets

    • Target

      831355d1046e4b2887564fc4a66d16231cd10c240e5b4e78d4eb66f19711d0c8.bin

    • Size

      509KB

    • MD5

      13eec609b4354e02a8a35057bd9b9b48

    • SHA1

      05f90d2f4e15f347dcd9cbc56e4fcdbf4a85c0a9

    • SHA256

      831355d1046e4b2887564fc4a66d16231cd10c240e5b4e78d4eb66f19711d0c8

    • SHA512

      75371a193cbfc0b36fe3d14f771783a2cbd7d3bd2ea02f4beedb388a885171f8a384c36e2f341515dee69f4d11be9f213c0f7598c557fdb9a4216019fc3f1aaa

    • SSDEEP

      12288:ZP2ot3tAelDVJjXrKm0No/bguvB6/Nf9ts0Dw/62VXW+unW:Fxt24Nx06Ps/C/fWnW

    • Octo

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

    • Octo payload

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Makes use of the framework's Accessibility service

      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)

    • Queries the phone number (MSISDN for GSM devices)

    • Acquires the wake lock

    • Makes use of the framework's foreground persistence service

      Application may abuse the framework's foreground service to continue running in the foreground.

    • Performs UI accessibility actions on behalf of the user

      Application may abuse the accessibility service to prevent their removal.

    • Queries the mobile country code (MCC)

    • Queries the unique device ID (IMEI, MEID, IMSI)

    • Reads information about phone network operator.

    • Requests accessing notifications (often used to intercept notifications before users become aware).

    • Requests disabling of battery optimizations (often used to enable hiding in the background).

    • Requests modifying system settings.

MITRE ATT&CK Mobile v15

Tasks