Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    20-01-2025 22:01

General

  • Target

    b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.apk

  • Size

    2.4MB

  • MD5

    882e4afa7cc6a2041c4928d57b519806

  • SHA1

    c672e3c1aaea2b88ab68d72add0b16a85add920d

  • SHA256

    b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0

  • SHA512

    02354cad26020c03053c900333f615b41450ace92dad9d2e979cfc15784ff36a14e4d882729563485f3275cfabd14be3e981a88f745ebcc2a7290fa78d031632

  • SSDEEP

    49152:eisP1oFHSM5Fc9c9wKyC/q0tkrFYBctFG/qbFaCFvNID25vnMySX8f9:o2FT5Mc9wKyfiQG/qbQCvNPUySK9

Malware Config

Extracted

Family

octo

C2

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

rc4.plain

Extracted

Family

octo

C2

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

AES_key

Signatures

  • Octo

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

  • Octo family
  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    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) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

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

  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.weightserve7
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • 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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4798

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.weightserve7/cache/gaxuoo

    Filesize

    2.3MB

    MD5

    6dc9fa5efd9b486f0265346b61d43d00

    SHA1

    d1eea6f8a5778901009dbc3bd5ac6a827d469092

    SHA256

    e1ac9d7a63636e700e2ba9a18038eabf48fa846c58309106ab935ec0747c8c5a

    SHA512

    1ebc5021bc20056de1da4e6c99e84b64d006f2dc6a10cf8cef2fd9fb6eb91d255e83e24d62d02227c1435e324ff6ba4b074cbb27bdfbce563f1e141a73202743

  • /data/data/com.weightserve7/cache/oat/gaxuoo.cur.prof

    Filesize

    344B

    MD5

    e01428de0987dae74a62ad52a0c076a4

    SHA1

    90058558ccc93423b0d6769b987b1f2247cd98d5

    SHA256

    dc4e79deb4578153a419eacb0256862c8da149e43f7b63a1883c7ec87ce35581

    SHA512

    666516afc82ff3ac3054c6997ac52f723aeaf1fff391e8563b20a1cbf0074bf3d723c51dc9cbdf78c2823a7222fafc23924d982a82c930d28a445bbe27c7bcd8