Resubmissions

04-11-2024 17:27

241104-v1mzaawqbm 10

28-10-2024 09:33

241028-ljef5swdrn 10

24-10-2024 22:08

241024-12hnvavhqc 10

Analysis

  • max time kernel
    29s
  • max time network
    32s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    28-10-2024 09:33

General

  • Target

    c5dc90524d6a5d71f9ecdb5f36bc23ba652d529d832237bf4b44b7be9a63a3c5.apk

  • Size

    561KB

  • MD5

    d875645abff7a93cbe117b48a88cb9f3

  • SHA1

    99bfad6185c3e1c4119dc1610f033a12d2a18f58

  • SHA256

    c5dc90524d6a5d71f9ecdb5f36bc23ba652d529d832237bf4b44b7be9a63a3c5

  • SHA512

    d556eb4036956a45ba2097063fe220953b6682c54ce7ff126c6c17fbc78695fcebbf358517de78ebb8e6cc18ea808aa0b1ec2e1e2fef40b911269cb0a6c450e0

  • SSDEEP

    12288:rjSMYTLd+pXGKMnjSUFkrhrjmK+cNIP8yf0exdZ4EOJ0IXUL2mtMmGSvJ:rjSMYTLd+pGKiGhKfFPzZlYUamimGSR

Malware Config

Extracted

Family

octo

C2

https://9230c9aeaaef65735d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://4230c9ae665d66666518e48eac59200.com/ZjA3ZDcwNDc3YWYx/

https://2230c9aeaaef6435d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://1230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0030c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://8230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0088c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

rc4.plain

Extracted

Family

octo

C2

https://9230c9aeaaef65735d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://4230c9ae665d66666518e48eac59200.com/ZjA3ZDcwNDc3YWYx/

https://2230c9aeaaef6435d518e48eac52200.com/ZjA3ZDcwNDc3YWYx/

https://1230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0030c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

https://8230c9aeaaef65535d518e48eac52255.com/ZjA3ZDcwNDc3YWYx/

https://0088c9a555aef65735d518e48eac50200.com/ZjA3ZDcwNDc3YWYx/

AES_key

Signatures

  • Octo

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

  • Octo family
  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 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 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 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
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.ruleobject7
    1⤵
    • Removes its main activity from the application launcher
    • 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.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4253

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.ruleobject7/cache/onkqufu

    Filesize

    449KB

    MD5

    872bbc09e21281256b8a174bb3538a27

    SHA1

    531f630b4c68818d92d7c34705d58379ecd62510

    SHA256

    78205148faaf34a171b1dc36f063f66653bcfcf100ea6c5352085dbfccb1f8ce

    SHA512

    6b1b5f3436cb570c620e7c3481fae4d13c4a964698e0276b99faf2888ab9375e296602ba373397f2b3edf2b678f5faba52ecf3ceac27afd30d4d6bc897eb5b46