General

  • Target

    a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1

  • Size

    2.7MB

  • Sample

    231220-mnf17safel

  • MD5

    035a2266813f3d204c64b7be514f913f

  • SHA1

    09ce3654ff984682c917d1b37c28d245f771a6c0

  • SHA256

    a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1

  • SHA512

    73a6016d7ddec0102f4621f05940dd3103264295fb45c5073ba9dfc2576e903f7dc3828fa21defc8174ea14e0397242afa4fd1812e137c1d19eb5f9a69ab5112

  • SSDEEP

    49152:xWrpqJ2SIjTsnRQ96BVMZlf4fcrkDTCv5ZsOzrdtGiZjKNlNs:epqgS0q+g22C7zrLGSMlNs

Malware Config

Extracted

Family

ermac

C2

http://193.106.191.121:3434

AES_key
AES_key

Targets

    • Target

      a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1

    • Size

      2.7MB

    • MD5

      035a2266813f3d204c64b7be514f913f

    • SHA1

      09ce3654ff984682c917d1b37c28d245f771a6c0

    • SHA256

      a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1

    • SHA512

      73a6016d7ddec0102f4621f05940dd3103264295fb45c5073ba9dfc2576e903f7dc3828fa21defc8174ea14e0397242afa4fd1812e137c1d19eb5f9a69ab5112

    • SSDEEP

      49152:xWrpqJ2SIjTsnRQ96BVMZlf4fcrkDTCv5ZsOzrdtGiZjKNlNs:epqgS0q+g22C7zrLGSMlNs

    • 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