General

  • Target

    e43baf11749eedc282f6e1e8a530df2394fa40e490fa796b91f8713537cebe85.bin

  • Size

    537KB

  • Sample

    241108-2nsgka1jgv

  • MD5

    761a7767e20688c36789bb6734711315

  • SHA1

    e0b3689d5546067a9d4038028806bb44566a2231

  • SHA256

    e43baf11749eedc282f6e1e8a530df2394fa40e490fa796b91f8713537cebe85

  • SHA512

    ad5357817760f8402c20dbcfaebf0b79451f8e8de1e963a6b85e0618aa94566fa36d76ce682c89bd45d3d31659506a6c9d51f0c8136218e8aff7fe40539d779d

  • SSDEEP

    12288:Q3A5cytDs512wkZMaflsdrMgB0aOsSYRpS+DdSmoo282Kfg48W4le:a1aZ5lk/BO0RNQml2PVNe

Malware Config

Extracted

Family

octo

C2

https://strmbas.net/YjYzOGZlODE1ODIx/

https://stormslva.net/YjYzOGZlODE1ODIx/

https://androstrm.com/YjYzOGZlODE1ODIx/

https://strmphone.net/YjYzOGZlODE1ODIx/

rc4.plain

Extracted

Family

octo

C2

https://strmbas.net/YjYzOGZlODE1ODIx/

https://stormslva.net/YjYzOGZlODE1ODIx/

https://androstrm.com/YjYzOGZlODE1ODIx/

https://strmphone.net/YjYzOGZlODE1ODIx/

AES_key

Targets

    • Target

      e43baf11749eedc282f6e1e8a530df2394fa40e490fa796b91f8713537cebe85.bin

    • Size

      537KB

    • MD5

      761a7767e20688c36789bb6734711315

    • SHA1

      e0b3689d5546067a9d4038028806bb44566a2231

    • SHA256

      e43baf11749eedc282f6e1e8a530df2394fa40e490fa796b91f8713537cebe85

    • SHA512

      ad5357817760f8402c20dbcfaebf0b79451f8e8de1e963a6b85e0618aa94566fa36d76ce682c89bd45d3d31659506a6c9d51f0c8136218e8aff7fe40539d779d

    • SSDEEP

      12288:Q3A5cytDs512wkZMaflsdrMgB0aOsSYRpS+DdSmoo282Kfg48W4le:a1aZ5lk/BO0RNQml2PVNe

    • 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).

MITRE ATT&CK Mobile v15

Tasks