General

  • Target

    Xnode_new.apk

  • Size

    1020KB

  • Sample

    220803-j29c5aghe5

  • MD5

    814aa96cdcf2dc0d70273e81a3a1c86f

  • SHA1

    65f97e7a924480cc928424b2d7fa565cf3ad8066

  • SHA256

    9f55a2ea4121955b5d2892f11709984d5f0ad6aa7a5a2773b8d5bbc6c04e5fd5

  • SHA512

    b28a62e13e3a9448fc92d18c146660073f71d8aa364b477a41402549dc059e3276799ae62c7836d2b0af93db410196ba1ec9f9270c39fd3773cd2bef566ebec3

Malware Config

Extracted

Family

ermac

C2

http://193.106.191.121:3434

AES_key
AES_key

Targets

    • Target

      Xnode_new.apk

    • Size

      1020KB

    • MD5

      814aa96cdcf2dc0d70273e81a3a1c86f

    • SHA1

      65f97e7a924480cc928424b2d7fa565cf3ad8066

    • SHA256

      9f55a2ea4121955b5d2892f11709984d5f0ad6aa7a5a2773b8d5bbc6c04e5fd5

    • SHA512

      b28a62e13e3a9448fc92d18c146660073f71d8aa364b477a41402549dc059e3276799ae62c7836d2b0af93db410196ba1ec9f9270c39fd3773cd2bef566ebec3

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Makes use of the framework's Accessibility service.

    • 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).

    • Removes a system notification.

    • Uses Crypto APIs (Might try to encrypt user data).

MITRE ATT&CK Matrix

Tasks