General

  • Target

    5904e4d17b989220ae89a165c814e3cf4f772a51b7dda3a24d173939707264fd

  • Size

    541KB

  • Sample

    240606-kvhghacb21

  • MD5

    96c003f0de14b0d9d4247dc85b792337

  • SHA1

    253e68b0fc22cd5441732f042132c81bcd03b396

  • SHA256

    5904e4d17b989220ae89a165c814e3cf4f772a51b7dda3a24d173939707264fd

  • SHA512

    f0e5ef6e39f0274e659bd4ac3323757d4e6ab2a952a3d86f6e5472859ba90fbc9936ca882fa2a65c0c08258707d3de7058f6b7c345313895f7db0acf16a1d362

  • SSDEEP

    12288:jTEay+8K68lSPw96uGMCMNINH4UzB6dBSgeWGCBrm4Kuikz6T+5eRbrvdnM:nEz668UPMIxMNISWBouyBrmdu++0lJnM

Malware Config

Extracted

Family

octo

C2

https://45.9.74.166/MDQ4Yzc4NTJkYTg4/

https://45.9.74.60/MDQ4Yzc4NTJkYTg4/

https://45.9.74.136/MDQ4Yzc4NTJkYTg4/

https://acizac12141.xyz/MDQ4Yzc4NTJkYTg4/

https://acizac1322343.xyz/MDQ4Yzc4NTJkYTg4/

https://aciktim223432516.xyz/MDQ4Yzc4NTJkYTg4/

https://azisswravaas.xyz/MDQ4Yzc4NTJkYTg4/

AES_key

Targets

    • Target

      5904e4d17b989220ae89a165c814e3cf4f772a51b7dda3a24d173939707264fd

    • Size

      541KB

    • MD5

      96c003f0de14b0d9d4247dc85b792337

    • SHA1

      253e68b0fc22cd5441732f042132c81bcd03b396

    • SHA256

      5904e4d17b989220ae89a165c814e3cf4f772a51b7dda3a24d173939707264fd

    • SHA512

      f0e5ef6e39f0274e659bd4ac3323757d4e6ab2a952a3d86f6e5472859ba90fbc9936ca882fa2a65c0c08258707d3de7058f6b7c345313895f7db0acf16a1d362

    • SSDEEP

      12288:jTEay+8K68lSPw96uGMCMNINH4UzB6dBSgeWGCBrm4Kuikz6T+5eRbrvdnM:nEz668UPMIxMNISWBouyBrmdu++0lJnM

    • 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.

    • 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 Matrix

Tasks