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General

  • Target

    82756f8f6c01472bbf899fe06059fc11f847801f80539e73ba20ed04722f0bea

  • Size

    6.7MB

  • Sample

    250321-wwxtcsyp13

  • MD5

    14b46f1edcf05bc4af5727e60b18a3c7

  • SHA1

    5f0b671697616636d167503df11d491725dd7dff

  • SHA256

    82756f8f6c01472bbf899fe06059fc11f847801f80539e73ba20ed04722f0bea

  • SHA512

    9a65bce3d9e585f7c9bfa04ba7d0e095ae2918ad3a71af200b61fcbc82f96fa5794216613af9e9cb6c2b24326252b1eeaff419ada14046e4aa49ca82a32d75b7

  • SSDEEP

    98304:x7d2ZrWkxy8rfyMbAmq22dSu1TCi/OdKOwqunN6vJY66cLqW1JVLCaQkoD46XI2L:mkD22dSCTx/e6na+wTNCacDH7

Malware Config

Extracted

Family

ermac

C2

http://91.107.127.141

AES_key

Extracted

Family

hook

C2

http://91.107.127.141

AES_key

Targets

    • Target

      82756f8f6c01472bbf899fe06059fc11f847801f80539e73ba20ed04722f0bea

    • Size

      6.7MB

    • MD5

      14b46f1edcf05bc4af5727e60b18a3c7

    • SHA1

      5f0b671697616636d167503df11d491725dd7dff

    • SHA256

      82756f8f6c01472bbf899fe06059fc11f847801f80539e73ba20ed04722f0bea

    • SHA512

      9a65bce3d9e585f7c9bfa04ba7d0e095ae2918ad3a71af200b61fcbc82f96fa5794216613af9e9cb6c2b24326252b1eeaff419ada14046e4aa49ca82a32d75b7

    • SSDEEP

      98304:x7d2ZrWkxy8rfyMbAmq22dSu1TCi/OdKOwqunN6vJY66cLqW1JVLCaQkoD46XI2L:mkD22dSCTx/e6na+wTNCacDH7

    • Target

      base.apk

    • Size

      2.6MB

    • MD5

      ec0442fd2e2cad475a7d411a0a81ba9b

    • SHA1

      70c9c18ed6e38b8358ad2cfa3f6d525fa7fb4b5c

    • SHA256

      cc813b2f353e5468f44cad22e3bd270d200caf4da00286e0d1c2caa36f3bfcfe

    • SHA512

      53a2a37169c233ee775372faf197689cdeb051081e0ede69a7bf627f6f523c075cc6f86a26dd95b0056cac284edb578ccd2d747cb65332685ad4e48e9610899c

    • SSDEEP

      49152:FqHibwL29bGAg7FQJKJukhcbvMgE2mjFwJBMWdxMoeBK8KO43AF8m5uSGs:hcL29brk2JKngrmjFOOWj0pKO4Fs

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac family

    • Ermac2 payload

    • Hook

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

    • Hook family

    • 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 information about running processes on the device

      Application may abuse the framework's APIs to collect information about running processes on the device.

    • 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.

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

MITRE ATT&CK Mobile v15

Tasks