General

  • Target

    6618ea3f8b7ee93050c777390fd93c58d608da27271a75356e4befd890a46525.bin

  • Size

    2.5MB

  • Sample

    240619-13zczsycmn

  • MD5

    b17e35fa36d81db7773a27bf333b237f

  • SHA1

    0f2d79a84e711d148082cd75b36ae3cd124f2371

  • SHA256

    6618ea3f8b7ee93050c777390fd93c58d608da27271a75356e4befd890a46525

  • SHA512

    b54d1b267b294be458d34edd181e487f3e0dc966d16ce42ca9cd855ac163f2aa2deb0b4b782a706b4c7081e5e294c4379a0ab00a3b3ef9f96fcdc041d7b532cc

  • SSDEEP

    49152:C8/fOPaVF9YcLqBnM8ulVnSakdaMRQdBC9uSspyyIUMiRaNg/yW7:C8/2Ef8uHzkR1uX3IviAW7

Malware Config

Extracted

Family

ermac

C2

http://sollyzo.duckdns.org:3434

AES_key
AES_key

Targets

    • Target

      6618ea3f8b7ee93050c777390fd93c58d608da27271a75356e4befd890a46525.bin

    • Size

      2.5MB

    • MD5

      b17e35fa36d81db7773a27bf333b237f

    • SHA1

      0f2d79a84e711d148082cd75b36ae3cd124f2371

    • SHA256

      6618ea3f8b7ee93050c777390fd93c58d608da27271a75356e4befd890a46525

    • SHA512

      b54d1b267b294be458d34edd181e487f3e0dc966d16ce42ca9cd855ac163f2aa2deb0b4b782a706b4c7081e5e294c4379a0ab00a3b3ef9f96fcdc041d7b532cc

    • SSDEEP

      49152:C8/fOPaVF9YcLqBnM8ulVnSakdaMRQdBC9uSspyyIUMiRaNg/yW7:C8/2Ef8uHzkR1uX3IviAW7

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Removes its main activity from the application launcher

    • 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)

    • Reads information about phone network operator.

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

MITRE ATT&CK Matrix

Tasks