General

  • Target

    a4874ebfe480449a897f86c87a490fbc4c2276d5bad4ff92bc93e2e8ae8efc66

  • Size

    2.1MB

  • Sample

    231220-mna5ysafcr

  • MD5

    abb4a1192d0919da01aa87b53538fb7c

  • SHA1

    b998c6de3c3835774eea6519102ce1fc040e33a3

  • SHA256

    a4874ebfe480449a897f86c87a490fbc4c2276d5bad4ff92bc93e2e8ae8efc66

  • SHA512

    32c922b6ae4f12e614b44242d35f662fa22cda62401eac4eb5b26ba25cd72470ccd756fa96674210fa7e63ef9a63da0066107f820abd51acc0f3278f8990c8a9

  • SSDEEP

    49152:2mGSPqOLqtmZvQ/UOy6B4Kc4fbYrkJxfyO7W3+A:29SdLqL/UOzboO7W3+A

Malware Config

Extracted

Family

ermac

C2

http://193.106.191.118:3434

AES_key
AES_key

Targets

    • Target

      a4874ebfe480449a897f86c87a490fbc4c2276d5bad4ff92bc93e2e8ae8efc66

    • Size

      2.1MB

    • MD5

      abb4a1192d0919da01aa87b53538fb7c

    • SHA1

      b998c6de3c3835774eea6519102ce1fc040e33a3

    • SHA256

      a4874ebfe480449a897f86c87a490fbc4c2276d5bad4ff92bc93e2e8ae8efc66

    • SHA512

      32c922b6ae4f12e614b44242d35f662fa22cda62401eac4eb5b26ba25cd72470ccd756fa96674210fa7e63ef9a63da0066107f820abd51acc0f3278f8990c8a9

    • SSDEEP

      49152:2mGSPqOLqtmZvQ/UOy6B4Kc4fbYrkJxfyO7W3+A:29SdLqL/UOzboO7W3+A

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • 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