General

  • Target

    85d7dd9a84a897beb60208c8267ba704ffa4c1686930865554bcb45b9b18b750.bin

  • Size

    4.2MB

  • Sample

    241023-11kf2s1hlf

  • MD5

    ef9a580b3ed39a42a547d9c1c9128587

  • SHA1

    93ef9cb397c24b35d21c71441ddc325028bf69c5

  • SHA256

    85d7dd9a84a897beb60208c8267ba704ffa4c1686930865554bcb45b9b18b750

  • SHA512

    09bcb61ad4a1a84b91462b3c1e080b29455db03ea9b69692dbd43e06f1b306de7050f6cc83966eb436008c2e8e94b6547bd99a625e3ee2ad372dff38e60f7fa6

  • SSDEEP

    98304:8oYSFnmiM5tl40NxKr1MmbUinwSnaDXgK:7RFnmiitVliHaDwK

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
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
AES_key
AES_key
AES_key
AES_key

Targets

    • Target

      85d7dd9a84a897beb60208c8267ba704ffa4c1686930865554bcb45b9b18b750.bin

    • Size

      4.2MB

    • MD5

      ef9a580b3ed39a42a547d9c1c9128587

    • SHA1

      93ef9cb397c24b35d21c71441ddc325028bf69c5

    • SHA256

      85d7dd9a84a897beb60208c8267ba704ffa4c1686930865554bcb45b9b18b750

    • SHA512

      09bcb61ad4a1a84b91462b3c1e080b29455db03ea9b69692dbd43e06f1b306de7050f6cc83966eb436008c2e8e94b6547bd99a625e3ee2ad372dff38e60f7fa6

    • SSDEEP

      98304:8oYSFnmiM5tl40NxKr1MmbUinwSnaDXgK:7RFnmiitVliHaDwK

    • 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