General

  • Target

    5208e8b77d023ae988816c9f87cb055fa2d99248c0b31bf27a2ad1a6505eceec.bin

  • Size

    509KB

  • Sample

    241223-11zkzasqgt

  • MD5

    75b2d74f7317b538ac5685ccbb912d88

  • SHA1

    ce82bd439a930e7d232a0a3efa9b8340e0868f5a

  • SHA256

    5208e8b77d023ae988816c9f87cb055fa2d99248c0b31bf27a2ad1a6505eceec

  • SHA512

    b7bdfc7e4e394eaab6533866a77238618aded36b5a3cd4011da012d0451267bdffc81907b0afbf3f07fc25372114083fc9cbbcf916590af0051b46cfb8092cca

  • SSDEEP

    12288:6UanxX3R24em07XYOIuq1gH+diGCe5AXBRQe+57hmRlO3nj:ran9BiRXY1unHkLLgrF+57hmRmnj

Malware Config

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

rc4.plain

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

AES_key

Targets

    • Target

      5208e8b77d023ae988816c9f87cb055fa2d99248c0b31bf27a2ad1a6505eceec.bin

    • Size

      509KB

    • MD5

      75b2d74f7317b538ac5685ccbb912d88

    • SHA1

      ce82bd439a930e7d232a0a3efa9b8340e0868f5a

    • SHA256

      5208e8b77d023ae988816c9f87cb055fa2d99248c0b31bf27a2ad1a6505eceec

    • SHA512

      b7bdfc7e4e394eaab6533866a77238618aded36b5a3cd4011da012d0451267bdffc81907b0afbf3f07fc25372114083fc9cbbcf916590af0051b46cfb8092cca

    • SSDEEP

      12288:6UanxX3R24em07XYOIuq1gH+diGCe5AXBRQe+57hmRlO3nj:ran9BiRXY1unHkLLgrF+57hmRmnj

    • Octo

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

    • Octo family

    • 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.

    • 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 modifying system settings.

MITRE ATT&CK Mobile v15

Tasks