General

  • Target

    chrome.apk

  • Size

    509KB

  • Sample

    240606-mwsd7seb44

  • MD5

    4b33d8402dc9c2d37389f015938b9a21

  • SHA1

    e7cb3a53e4748e8dae0b49046390fb91de63e241

  • SHA256

    fb5285d9a5246233433953b031ec02d85859f6a5e882bc02ec631e924e4a1591

  • SHA512

    701e8e15a7ae1c7a44176c5e8af72e2ea264681155923e57e73ae64d4393952a7a6a444cb7ab0a54f79c5389bfecd5483d161844e6be86d9a2d0ce921676d1bb

  • SSDEEP

    12288:wPm+lp0MKry/l07q64bkxnO4kxO+xpGx4TKk2rpvrbdpmSnp:yyMKryi7qbbQnOp+OKk2nASnp

Malware Config

Extracted

Family

octo

C2

https://dvapo05.top/ZmU2YzQ2NjZlNjc2/

https://bobnoopopo.org/ZmU2YzQ2NjZlNjc2/

https://junggvrebvqqpo.org/ZmU2YzQ2NjZlNjc2/

https://junggpervbvqqqqqqpo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqgrouppo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvqqnetokpo.com/ZmU2YzQ2NjZlNjc2/

https://junggvbvq.top/ZmU2YzQ2NjZlNjc2/

https://junggvbvq5656.top/ZmU2YzQ2NjZlNjc2/

https://jungjunjunggvbvq.top/ZmU2YzQ2NjZlNjc2/

AES_key

Targets

    • Target

      chrome.apk

    • Size

      509KB

    • MD5

      4b33d8402dc9c2d37389f015938b9a21

    • SHA1

      e7cb3a53e4748e8dae0b49046390fb91de63e241

    • SHA256

      fb5285d9a5246233433953b031ec02d85859f6a5e882bc02ec631e924e4a1591

    • SHA512

      701e8e15a7ae1c7a44176c5e8af72e2ea264681155923e57e73ae64d4393952a7a6a444cb7ab0a54f79c5389bfecd5483d161844e6be86d9a2d0ce921676d1bb

    • SSDEEP

      12288:wPm+lp0MKry/l07q64bkxnO4kxO+xpGx4TKk2rpvrbdpmSnp:yyMKryi7qbbQnOp+OKk2nASnp

    • 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.

    • 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 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 enabling of the accessibility settings.

    • Requests modifying system settings.

MITRE ATT&CK Matrix

Tasks