General

  • Target

    da64ff2850ecb25148ce763f620a5a146a58065b532d69484abb96e213dd3d83.bin

  • Size

    297KB

  • Sample

    250413-1yrgkstls9

  • MD5

    4873dc7909ccdf309a3bceea60374506

  • SHA1

    179f862c406a0ddce6894e8281393b01a5632c11

  • SHA256

    da64ff2850ecb25148ce763f620a5a146a58065b532d69484abb96e213dd3d83

  • SHA512

    b8391a8deaaacf3498850cd6b158e83a5c50e5bb297601691a46af9df0f4d2f3fc5039133f239bfe60585cb84b346c75d0c9aaccb5c5b40c96f9ccb7d7d37714

  • SSDEEP

    6144:OOk1AkPZFWsJPDNd857JyxJYxQSWIVc+Ey1I7JcaqeJB20VAb0Uf:OOxqPLyJ+YqS5J27Tl2f

Malware Config

Extracted

Family

octo

C2

https://196.251.118.53/MTNiNTc2MzU0MTg3/

rc4.plain

Extracted

Family

octo

C2

https://196.251.118.53/MTNiNTc2MzU0MTg3/

AES_key

Targets

    • Target

      da64ff2850ecb25148ce763f620a5a146a58065b532d69484abb96e213dd3d83.bin

    • Size

      297KB

    • MD5

      4873dc7909ccdf309a3bceea60374506

    • SHA1

      179f862c406a0ddce6894e8281393b01a5632c11

    • SHA256

      da64ff2850ecb25148ce763f620a5a146a58065b532d69484abb96e213dd3d83

    • SHA512

      b8391a8deaaacf3498850cd6b158e83a5c50e5bb297601691a46af9df0f4d2f3fc5039133f239bfe60585cb84b346c75d0c9aaccb5c5b40c96f9ccb7d7d37714

    • SSDEEP

      6144:OOk1AkPZFWsJPDNd857JyxJYxQSWIVc+Ey1I7JcaqeJB20VAb0Uf:OOxqPLyJ+YqS5J27Tl2f

    • Octo

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

    • Octo family

    • 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 v16

Tasks