General

  • Target

    3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.bin

  • Size

    2.4MB

  • Sample

    241225-11g1xszjew

  • MD5

    88ce41617d7ad68305ef44f055e961b7

  • SHA1

    995c8f4ec336c43a3e072b16582a1a1ebea776bb

  • SHA256

    3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb

  • SHA512

    6494b087a660e963cf6eb1be710bd93d429cf3bc6e3b3a968e3b733b287a90fcedb4fad970facf92bee7ac1f5559aac4fce6fc5426255163ac65e400a51646c4

  • SSDEEP

    49152:eyTURaSLCdAGfJbX5v7AngR3irIrjdcdA3YZZRipp4Hz3wjA:D3SLCdfxD5v7AngR3P9OAIZe74T3v

Malware Config

Extracted

Family

octo

C2

https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/

rc4.plain

Extracted

Family

octo

C2

https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/

https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/

AES_key

Targets

    • Target

      3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.bin

    • Size

      2.4MB

    • MD5

      88ce41617d7ad68305ef44f055e961b7

    • SHA1

      995c8f4ec336c43a3e072b16582a1a1ebea776bb

    • SHA256

      3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb

    • SHA512

      6494b087a660e963cf6eb1be710bd93d429cf3bc6e3b3a968e3b733b287a90fcedb4fad970facf92bee7ac1f5559aac4fce6fc5426255163ac65e400a51646c4

    • SSDEEP

      49152:eyTURaSLCdAGfJbX5v7AngR3irIrjdcdA3YZZRipp4Hz3wjA:D3SLCdfxD5v7AngR3P9OAIZe74T3v

    • 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