General

  • Target

    5d2008a30c4709c2581b53201621626ebae70191fe56d729145a1b6cb853a3a9.bin

  • Size

    5.0MB

  • Sample

    241021-1yvt1a1fjk

  • MD5

    efe46569bcd2b8c72d2c8569504c0905

  • SHA1

    d49e5b99abed6ab9c512d7ad9466efd0845ea57f

  • SHA256

    5d2008a30c4709c2581b53201621626ebae70191fe56d729145a1b6cb853a3a9

  • SHA512

    87a85998527376833f1e355c359ff8d06e80cb24b01485736b60f544aee24baa75bb402e3345e8ed0f5fece9cf9e24f4891a1364a893b6a6f62ad1414d3e7f16

  • SSDEEP

    98304:9Jyy0wXNj8iWsFhcYdCv0NAwtOxYxvHi2JNg9YUO5z2oW1WP:eSBbKCOmxvCw+9I2oWEP

Malware Config

Extracted

Family

ermac

C2

http://81.177.140.60:3434

AES_key
AES_key
AES_key
rsa_pubkey
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key

Extracted

Family

hook

C2

http://81.177.140.60:3434

AES_key
AES_key
AES_key
rsa_pubkey
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key

Targets

    • Target

      5d2008a30c4709c2581b53201621626ebae70191fe56d729145a1b6cb853a3a9.bin

    • Size

      5.0MB

    • MD5

      efe46569bcd2b8c72d2c8569504c0905

    • SHA1

      d49e5b99abed6ab9c512d7ad9466efd0845ea57f

    • SHA256

      5d2008a30c4709c2581b53201621626ebae70191fe56d729145a1b6cb853a3a9

    • SHA512

      87a85998527376833f1e355c359ff8d06e80cb24b01485736b60f544aee24baa75bb402e3345e8ed0f5fece9cf9e24f4891a1364a893b6a6f62ad1414d3e7f16

    • SSDEEP

      98304:9Jyy0wXNj8iWsFhcYdCv0NAwtOxYxvHi2JNg9YUO5z2oW1WP:eSBbKCOmxvCw+9I2oWEP

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Hook

      Hook is an Android malware that is based on Ermac with RAT capabilities.

    • Checks if the Android device is rooted.

    • 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.

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • 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 information about the current Wi-Fi connection

      Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

    • Queries the mobile country code (MCC)

    • Reads information about phone network operator.

    • Requests changing the default SMS application.

    • Requests disabling of battery optimizations (often used to enable hiding in the background).

MITRE ATT&CK Mobile v15

Tasks