General

  • Target

    c45b987069f923a8f7f354aeef18cebd_JC.apk

  • Size

    537KB

  • Sample

    230905-xffetaae2w

  • MD5

    c45b987069f923a8f7f354aeef18cebd

  • SHA1

    0726c6485a797b86635e984329a0dbe38e6ddd67

  • SHA256

    3bd547516cb01330543d9552d3bbd9013c7c875e3c0810575eca6f5aba310bb7

  • SHA512

    cb8946bc0c6bf740a48954d8231f323e65df7f1c98d27413b886159f50f697c8826f74116fa53a36789a76e0a30efd2004f651326c0e4644144c86fe0ec09766

  • SSDEEP

    12288:hRpXlVScNdDXJC0n2zYUW+KepIJMT7MHSpMf5udXxa8ee5Xb8C/r:hP7Scz7iz6leeCT76yMExbV5r8K

Malware Config

Extracted

Family

octo

C2

https://jszkcuguncrw.info/YWRhZjAxNGM1YjFh/

https://wanrflitrnvn.asia/YWRhZjAxNGM1YjFh/

https://fsydjfwxxazz.top/YWRhZjAxNGM1YjFh/

https://oadoaqadgdft.site/YWRhZjAxNGM1YjFh/

AES_key

Targets

    • Target

      c45b987069f923a8f7f354aeef18cebd_JC.apk

    • Size

      537KB

    • MD5

      c45b987069f923a8f7f354aeef18cebd

    • SHA1

      0726c6485a797b86635e984329a0dbe38e6ddd67

    • SHA256

      3bd547516cb01330543d9552d3bbd9013c7c875e3c0810575eca6f5aba310bb7

    • SHA512

      cb8946bc0c6bf740a48954d8231f323e65df7f1c98d27413b886159f50f697c8826f74116fa53a36789a76e0a30efd2004f651326c0e4644144c86fe0ec09766

    • SSDEEP

      12288:hRpXlVScNdDXJC0n2zYUW+KepIJMT7MHSpMf5udXxa8ee5Xb8C/r:hP7Scz7iz6leeCT76yMExbV5r8K

    • 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.

    • 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

    • Acquires the wake lock.

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Reads information about phone network operator.

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

    • Uses Crypto APIs (Might try to encrypt user data).

MITRE ATT&CK Matrix

Tasks