General

  • Target

    4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c.bin

  • Size

    1000KB

  • Sample

    240217-1yfp3sbf99

  • MD5

    5a283d9cf0877bcdb1522617d211208d

  • SHA1

    ceb77fac48d96a0c547344570120799c1ec1a6cb

  • SHA256

    4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c

  • SHA512

    27f2c9d91860f7551bb3f380a10dd9cb755052b3bfcef7c665c75b5f94b9c315f7569afe260ae2a0fedc087e64dcec1b1ccf84c72a2e2d3cfd2d12358749b91d

  • SSDEEP

    24576:z9l+lhtHaoPqts+wyyMrtlwVKsQGg/i7oBcUS:hQlhVDPqqhylxltbGg/TxS

Malware Config

Extracted

Family

ermac

C2

http://74.234.3.141:3434

AES_key
AES_key

Targets

    • Target

      4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c.bin

    • Size

      1000KB

    • MD5

      5a283d9cf0877bcdb1522617d211208d

    • SHA1

      ceb77fac48d96a0c547344570120799c1ec1a6cb

    • SHA256

      4829477311b0acd4dddd9d127c29da97ed760eda4cdfea8854cb8af7d8f4657c

    • SHA512

      27f2c9d91860f7551bb3f380a10dd9cb755052b3bfcef7c665c75b5f94b9c315f7569afe260ae2a0fedc087e64dcec1b1ccf84c72a2e2d3cfd2d12358749b91d

    • SSDEEP

      24576:z9l+lhtHaoPqts+wyyMrtlwVKsQGg/i7oBcUS:hQlhVDPqqhylxltbGg/TxS

    • Ermac

      An Android banking trojan first seen in July 2021.

    • 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)

    • Removes its main activity from the application launcher

    • Requests enabling of the accessibility settings.

    • Acquires the wake lock

    • 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