Resubmissions

03-05-2024 05:43

240503-genrssae99 10

03-05-2024 05:43

240503-gel8zage5v 10

03-05-2024 05:42

240503-gejg3sae96 10

26-04-2024 11:24

240426-nhtwjsfc6y 10

26-04-2024 09:55

240426-lx8bdadh3w 10

26-04-2024 09:35

240426-lkpy9sdf5s 10

General

  • Target

    1dda2398fb3c4c2aee9b2a18f0975b921cbd2809625618d7a91d174806c677b7.bin

  • Size

    509KB

  • Sample

    240503-gejg3sae96

  • MD5

    398d22e2d522ad3b4dec483d095ab0a0

  • SHA1

    57864eac5ff484b9943bb30657a5b8b521a04068

  • SHA256

    1dda2398fb3c4c2aee9b2a18f0975b921cbd2809625618d7a91d174806c677b7

  • SHA512

    7d4c8aad0e3ea2fda730554f4fa8220567b94cf0e6a7c3d93112ea1b0b11cc972b00b3d00346976e664cdf82d672f94185f5868df9c6b9b81b2bee9748649b7b

  • SSDEEP

    12288:+f22AykQKMrEjYTYVk5B+vdosmXw91+9VYATRWcOqZUeJnPG:+55QjYTPMvdjmXw9M31W5MJnPG

Malware Config

Extracted

Family

octo

C2

https://tecbabbshop24578.shop/ZDQyN2NmOGEZOTIK/

https://karamdsadvs2.shop/ZDQyN2NmOGEZOTIK/

https://karakalandankasd5.com/ZDQyN2NmOGEZOTIK/

https://tecklardankalan.shop/ZDQyN2NmOGEZOTIK/

AES_key

Targets

    • Target

      1dda2398fb3c4c2aee9b2a18f0975b921cbd2809625618d7a91d174806c677b7.bin

    • Size

      509KB

    • MD5

      398d22e2d522ad3b4dec483d095ab0a0

    • SHA1

      57864eac5ff484b9943bb30657a5b8b521a04068

    • SHA256

      1dda2398fb3c4c2aee9b2a18f0975b921cbd2809625618d7a91d174806c677b7

    • SHA512

      7d4c8aad0e3ea2fda730554f4fa8220567b94cf0e6a7c3d93112ea1b0b11cc972b00b3d00346976e664cdf82d672f94185f5868df9c6b9b81b2bee9748649b7b

    • SSDEEP

      12288:+f22AykQKMrEjYTYVk5B+vdosmXw91+9VYATRWcOqZUeJnPG:+55QjYTPMvdjmXw9M31W5MJnPG

    • Octo

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

    • Octo payload

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

    • Prevents application removal

      Application may abuse the framework's APIs to prevent removal.

    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

    • Removes its main activity from the application launcher

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

    • Checks CPU information

      Checks CPU information which indicate if the system is an emulator.

    • Checks memory information

      Checks memory information which indicate if the system is an emulator.

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Makes use of the framework's foreground persistence service

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

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • Queries the mobile country code (MCC)

    • Queries the phone number (MSISDN for GSM devices)

    • Registers a broadcast receiver at runtime (usually for listening for system events)

    • Acquires the wake lock

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

    • Reads information about phone network operator.

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

MITRE ATT&CK Matrix

Tasks