General

  • Target

    1e6e9501cec3b3be2e6fa3788670d5f32036f139c7babdfcd6fce7a9846591f5.bin

  • Size

    1.8MB

  • Sample

    241008-1xxl7svgqe

  • MD5

    bfe8f5179d5d6e5b358c8c33dfd70468

  • SHA1

    44e426dcd27ac278be28ce61686a1744c27f35a6

  • SHA256

    1e6e9501cec3b3be2e6fa3788670d5f32036f139c7babdfcd6fce7a9846591f5

  • SHA512

    61cc06746086c1152f5fe3e9640217f31679fc638c1e97160ecb23bf3e4c79450d4b6c2cf9f19fe839290a4ab0b7c3c7ad4a3d7bd58fdb2fc75bc5d77ea829a5

  • SSDEEP

    49152:2g/mOTZJ1mfbmbTElzxrq/sTiBSTzdW1i:FNJ4MElI/sTY+W1i

Malware Config

Extracted

Family

ermac

C2

http://154.216.18.241:3434

AES_key
AES_key

Targets

    • Target

      1e6e9501cec3b3be2e6fa3788670d5f32036f139c7babdfcd6fce7a9846591f5.bin

    • Size

      1.8MB

    • MD5

      bfe8f5179d5d6e5b358c8c33dfd70468

    • SHA1

      44e426dcd27ac278be28ce61686a1744c27f35a6

    • SHA256

      1e6e9501cec3b3be2e6fa3788670d5f32036f139c7babdfcd6fce7a9846591f5

    • SHA512

      61cc06746086c1152f5fe3e9640217f31679fc638c1e97160ecb23bf3e4c79450d4b6c2cf9f19fe839290a4ab0b7c3c7ad4a3d7bd58fdb2fc75bc5d77ea829a5

    • SSDEEP

      49152:2g/mOTZJ1mfbmbTElzxrq/sTiBSTzdW1i:FNJ4MElI/sTY+W1i

    • 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 Mobile v15

Tasks