General

  • Target

    1d39c849fe442eb9527624b21e3c4930b8d8d3b9798480d45f05938cecc69d87.bin

  • Size

    3.4MB

  • Sample

    241019-1yykws1gph

  • MD5

    cd1cdc1e5f8e10bf1895f281b01da7f9

  • SHA1

    3470dbe08127daa38cd839fa479d8cc0d6527637

  • SHA256

    1d39c849fe442eb9527624b21e3c4930b8d8d3b9798480d45f05938cecc69d87

  • SHA512

    4852ba54b4a5cffe0d8445f81db0d45fbf49e081c962f42df99aa31ed7b9e0cf2a79e1f7055736113fbb9d1a6345656330c61bdbe354d028d20a509890282fe5

  • SSDEEP

    98304:3dSCGaIgYsiE+2LsOKiWsFZtnHaDlmj+O3NbwivlTXY:nIZsVLsOWmj+OBlXY

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

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

Targets

    • Target

      1d39c849fe442eb9527624b21e3c4930b8d8d3b9798480d45f05938cecc69d87.bin

    • Size

      3.4MB

    • MD5

      cd1cdc1e5f8e10bf1895f281b01da7f9

    • SHA1

      3470dbe08127daa38cd839fa479d8cc0d6527637

    • SHA256

      1d39c849fe442eb9527624b21e3c4930b8d8d3b9798480d45f05938cecc69d87

    • SHA512

      4852ba54b4a5cffe0d8445f81db0d45fbf49e081c962f42df99aa31ed7b9e0cf2a79e1f7055736113fbb9d1a6345656330c61bdbe354d028d20a509890282fe5

    • SSDEEP

      98304:3dSCGaIgYsiE+2LsOKiWsFZtnHaDlmj+O3NbwivlTXY:nIZsVLsOWmj+OBlXY

    • 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