General

  • Target

    b781afd2644a6a6541bc70971e3db14b8462d60fb53c258695cf5ed9bc30722e.bin

  • Size

    509KB

  • Sample

    240803-1wyg4s1dpb

  • MD5

    18adca3f7b44895c181eb088f2abe602

  • SHA1

    46ec864786e321d3d8be0fcfa38eb35fd0e00c63

  • SHA256

    b781afd2644a6a6541bc70971e3db14b8462d60fb53c258695cf5ed9bc30722e

  • SHA512

    bde919f0ee9a91e4ae5073fd00c53a645558b6cdaf214561075d965cb6168493e3236162697dc8ab13866dd2867bbebc6c35d990b762e85054b354c295fe5d98

  • SSDEEP

    12288:WC6EqK8rq3Jq9wmC4vHmbirkycOjFq3HRDa26oQn2D:WgqVkYVCAHeirkycO5yHRDa2Ono

Malware Config

Extracted

Family

octo

C2

https://mutocosturoyur.com/YmJhM2M5ZjYyODY5/

https://lolo2naberlo.com/YmJhM2M5ZjYyODY5/

https://havalarsicaktir.com/YmJhM2M5ZjYyODY5/

https://calısmıske34r.com/YmJhM2M5ZjYyODY5/

https://r4s5t2t2fa.com/YmJhM2M5ZjYyODY5/

https://gurcustill254.com/YmJhM2M5ZjYyODY5/

AES_key

Targets

    • Target

      b781afd2644a6a6541bc70971e3db14b8462d60fb53c258695cf5ed9bc30722e.bin

    • Size

      509KB

    • MD5

      18adca3f7b44895c181eb088f2abe602

    • SHA1

      46ec864786e321d3d8be0fcfa38eb35fd0e00c63

    • SHA256

      b781afd2644a6a6541bc70971e3db14b8462d60fb53c258695cf5ed9bc30722e

    • SHA512

      bde919f0ee9a91e4ae5073fd00c53a645558b6cdaf214561075d965cb6168493e3236162697dc8ab13866dd2867bbebc6c35d990b762e85054b354c295fe5d98

    • SSDEEP

      12288:WC6EqK8rq3Jq9wmC4vHmbirkycOjFq3HRDa26oQn2D:WgqVkYVCAHeirkycO5yHRDa2Ono

    • 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 Matrix

Tasks