General

  • Target

    5ba71e64d182319471a8a727af92f473628136682315e430dd5061bbea11d070

  • Size

    7.5MB

  • Sample

    241216-enmjzstjht

  • MD5

    9b69cee561196cefc709d453a7211e41

  • SHA1

    92889ede639b3b532a96e187880b02bd4ee2b304

  • SHA256

    5ba71e64d182319471a8a727af92f473628136682315e430dd5061bbea11d070

  • SHA512

    f02d45eeb75d3eccd9d849dcf4b744f6a2aef122658a4b426e213f6ad3553da54a1aeddbead277b0de320544cfe10df99db6ba96dd701d04ba04be8fa0c07525

  • SSDEEP

    196608:TYFDACgLMtclqXP9dC9DZDGOSUr6i080blAGe:aDACyfwP9dC9DZCIuLuN

Malware Config

Extracted

Family

octo

C2

https://biribizidurdursun310.xyz/NTQzZmI0YTdmMjNl/

https://biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://3biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://4biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun361.net/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun536.com/NTQzZmI0YTdmMjNl/

rc4.plain

Extracted

Family

octo

C2

https://biribizidurdursun310.xyz/NTQzZmI0YTdmMjNl/

https://biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://3biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://4biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun36.xyz/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun361.net/NTQzZmI0YTdmMjNl/

https://5biribizidurdursun536.com/NTQzZmI0YTdmMjNl/

AES_key

Targets

    • Target

      5ba71e64d182319471a8a727af92f473628136682315e430dd5061bbea11d070

    • Size

      7.5MB

    • MD5

      9b69cee561196cefc709d453a7211e41

    • SHA1

      92889ede639b3b532a96e187880b02bd4ee2b304

    • SHA256

      5ba71e64d182319471a8a727af92f473628136682315e430dd5061bbea11d070

    • SHA512

      f02d45eeb75d3eccd9d849dcf4b744f6a2aef122658a4b426e213f6ad3553da54a1aeddbead277b0de320544cfe10df99db6ba96dd701d04ba04be8fa0c07525

    • SSDEEP

      196608:TYFDACgLMtclqXP9dC9DZDGOSUr6i080blAGe:aDACyfwP9dC9DZCIuLuN

    • Target

      base.apk

    • Size

      3.5MB

    • MD5

      42305a4586640e91c21dd72bdff55bb5

    • SHA1

      c462208e1117e88e41d5e4d71509f0ffaf6ed6df

    • SHA256

      370c44d79a503fcfc41060a6cc567d1e93c419c41fc04b8169516204578b96e7

    • SHA512

      ca2cdb1087ca6d53c3a0b669fa28534411e9d054d8a659ccb90e37450435430dce928a51da716888fe1994cb4599df8ff9094d6be13bb7ba1564d19692863666

    • SSDEEP

      98304:gukWXLjQGrAmA9tnkgjOfd8kWG89oiEKQqBNvxjTPPJ:F8I3WGcoNKQIPJ

    • Octo

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

    • Octo family

    • Octo payload

    • 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)

    • 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).

MITRE ATT&CK Mobile v15

Tasks