General

  • Target

    f0b3de20d232d366205a628a3246977e7e5311d7599ef8b275df14ecfe0df700.bin

  • Size

    2.7MB

  • Sample

    250116-1wvffs1rhm

  • MD5

    45001af45232665a0cf5aa0f37d048af

  • SHA1

    11b929a7e56c1815b1b4091c6275b57004879f50

  • SHA256

    f0b3de20d232d366205a628a3246977e7e5311d7599ef8b275df14ecfe0df700

  • SHA512

    f5204280c8ed4d75c0caeddfc9f046ee4794c22bc571b068fec5fe405422ce8eafa13a4929a3d16e016b1a154d9b06ba3229708b35cdca16fff6650407234208

  • SSDEEP

    49152:KFmU6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQ/:KFmUFjEI4iZaUzYH99yIS

Malware Config

Extracted

Family

octo

C2

https://87.121.86.196:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://87.121.86.196:7117/gate/

AES_key

Targets

    • Target

      f0b3de20d232d366205a628a3246977e7e5311d7599ef8b275df14ecfe0df700.bin

    • Size

      2.7MB

    • MD5

      45001af45232665a0cf5aa0f37d048af

    • SHA1

      11b929a7e56c1815b1b4091c6275b57004879f50

    • SHA256

      f0b3de20d232d366205a628a3246977e7e5311d7599ef8b275df14ecfe0df700

    • SHA512

      f5204280c8ed4d75c0caeddfc9f046ee4794c22bc571b068fec5fe405422ce8eafa13a4929a3d16e016b1a154d9b06ba3229708b35cdca16fff6650407234208

    • SSDEEP

      49152:KFmU6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQ/:KFmUFjEI4iZaUzYH99yIS

    • Octo

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

    • Octo family

    • Removes its main activity from the application launcher

    • 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