General

  • Target

    photoapk.apk

  • Size

    2.3MB

  • Sample

    220802-g4hxvabha5

  • MD5

    80714569a9addf2781596516ba954c57

  • SHA1

    4bdf1933942683b63e4bdffd4c0e7c41ddf7ccc1

  • SHA256

    ca56e3f365cf8400b677c650250c37c967ead4d06f79620bcec7f73818bdfb46

  • SHA512

    06bdf0c5251563b499ba6aaf2896dc060531220459c6a3733182fa41029931bdc2df4bbd8e6f97ea15312df44a4a0d4adfac1929dc374047bed3f5076a9b9aa8

Malware Config

Extracted

Family

ermac

C2

http://193.106.191.118:3434

AES_key
AES_key

Targets

    • Target

      photoapk.apk

    • Size

      2.3MB

    • MD5

      80714569a9addf2781596516ba954c57

    • SHA1

      4bdf1933942683b63e4bdffd4c0e7c41ddf7ccc1

    • SHA256

      ca56e3f365cf8400b677c650250c37c967ead4d06f79620bcec7f73818bdfb46

    • SHA512

      06bdf0c5251563b499ba6aaf2896dc060531220459c6a3733182fa41029931bdc2df4bbd8e6f97ea15312df44a4a0d4adfac1929dc374047bed3f5076a9b9aa8

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Makes use of the framework's Accessibility service.

    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).

    • Acquires the wake lock.

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Queries the unique device ID (IMEI, MEID, IMSI).

    • Reads information about phone network operator.

    • Removes a system notification.

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

MITRE ATT&CK Matrix

Tasks