General

  • Target

    a43946e9c775ee011f2096fc3c6b214c9ff67120e7cc1fc65a871314c77667ea.bin

  • Size

    4.5MB

  • Sample

    240221-1y4f5sgd92

  • MD5

    b7b97cf97ff8613287235aa92073a011

  • SHA1

    cb865d41b36de015d18592ffc58e21fc678a9951

  • SHA256

    a43946e9c775ee011f2096fc3c6b214c9ff67120e7cc1fc65a871314c77667ea

  • SHA512

    cd194740bcaad2913d9e5b34e5066782cb239b60738f40cf437b6793404be09ab6c58dfce0927181a8d9dedd5528f545176d21a39c666656cf2b4e670c9fec6e

  • SSDEEP

    98304:2zb0xgao/PDnNCZVmorrJnGNBZqiOuKsVFh9B/9Q0/UN0rU/rWcFqDt:o02ao/LNCZVpXJ8bVXdvx1/UN0rUj1FO

Malware Config

Extracted

Family

ermac

C2

http://93.123.39.152:80

AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key

Extracted

Family

hook

C2

http://93.123.39.152:80

AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key

Targets

    • Target

      a43946e9c775ee011f2096fc3c6b214c9ff67120e7cc1fc65a871314c77667ea.bin

    • Size

      4.5MB

    • MD5

      b7b97cf97ff8613287235aa92073a011

    • SHA1

      cb865d41b36de015d18592ffc58e21fc678a9951

    • SHA256

      a43946e9c775ee011f2096fc3c6b214c9ff67120e7cc1fc65a871314c77667ea

    • SHA512

      cd194740bcaad2913d9e5b34e5066782cb239b60738f40cf437b6793404be09ab6c58dfce0927181a8d9dedd5528f545176d21a39c666656cf2b4e670c9fec6e

    • SSDEEP

      98304:2zb0xgao/PDnNCZVmorrJnGNBZqiOuKsVFh9B/9Q0/UN0rU/rWcFqDt:o02ao/LNCZVpXJ8bVXdvx1/UN0rUj1FO

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Hook

      Hook is an Android malware that is based on Ermac with RAT capabilities.

    • 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.

    • Requests enabling of the accessibility settings.

    • Acquires the wake lock

    • Reads information about phone network operator.

    • Requests disabling of battery optimizations (often used to enable hiding in the background).

MITRE ATT&CK Matrix

Tasks