General

  • Target

    768ec256cf53dc2ca8c3b14d184825faebe3d1cef9ac102af02be23782ece64e.bin

  • Size

    518KB

  • Sample

    250104-1yt8gazkdz

  • MD5

    5eba8174763606c15f9d7b3c7f72c614

  • SHA1

    f135ac7bc962a0a44d552e4ab1ca5dd4db70df90

  • SHA256

    768ec256cf53dc2ca8c3b14d184825faebe3d1cef9ac102af02be23782ece64e

  • SHA512

    463c2949b4bb85c4d05cdccb575c8318ddc7c05d71287b574c7090e20971011bf4263e450659bcc532328d36ed5e7c7ae773cc2526f9a5ea09a15e7ab4fb7699

  • SSDEEP

    12288:SF9kDABhcTlizPDSEYBWTIjAr8OthPw3AV4zQNKzeCAniuqAEtSO4taw:0G9liLDSEQWJA6hPw3A8Acon8NtSO4td

Malware Config

Extracted

Family

octo

C2

https://91.92.244.80/CfK3ulGypS7Nns81/

https://rootocto.com.tr/CfK3ulGypS7Nns81/

https://toorocto.com.tr/CfK3ulGypS7Nns81/

rc4.plain

Extracted

Family

octo

C2

https://91.92.244.80/CfK3ulGypS7Nns81/

https://rootocto.com.tr/CfK3ulGypS7Nns81/

https://toorocto.com.tr/CfK3ulGypS7Nns81/

AES_key

Targets

    • Target

      768ec256cf53dc2ca8c3b14d184825faebe3d1cef9ac102af02be23782ece64e.bin

    • Size

      518KB

    • MD5

      5eba8174763606c15f9d7b3c7f72c614

    • SHA1

      f135ac7bc962a0a44d552e4ab1ca5dd4db70df90

    • SHA256

      768ec256cf53dc2ca8c3b14d184825faebe3d1cef9ac102af02be23782ece64e

    • SHA512

      463c2949b4bb85c4d05cdccb575c8318ddc7c05d71287b574c7090e20971011bf4263e450659bcc532328d36ed5e7c7ae773cc2526f9a5ea09a15e7ab4fb7699

    • SSDEEP

      12288:SF9kDABhcTlizPDSEYBWTIjAr8OthPw3AV4zQNKzeCAniuqAEtSO4taw:0G9liLDSEQWJA6hPw3A8Acon8NtSO4td

    • 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