General

  • Target

    2ea7d595e0e7965f4fedf7f3012261e3d47f618f1a7043859b3cd1c006a4a2d8.apk

  • Size

    2.9MB

  • Sample

    230123-w759wagc31

  • MD5

    8f860fe68a5aa80a0f38c8e0e85de95c

  • SHA1

    1c4a40dba1fb6a8e63bbc75e53bf807b91805bba

  • SHA256

    2ea7d595e0e7965f4fedf7f3012261e3d47f618f1a7043859b3cd1c006a4a2d8

  • SHA512

    b4097b4384476844388b37a8666b52600a8904d41c088a089185386e4e7648caeaf9006c4186a11518b86fb9bd5c38145ab2386c5448f805e44d02399b957280

  • SSDEEP

    49152:R7MG0EbYQK7uHt4fjdhIxVycny6693XxKRXefHHWbnh:BMkYQK7uFM993XtHHWbh

Malware Config

Extracted

Family

ermac

C2

http://176.113.115.66:3434

AES_key
AES_key

Targets

    • Target

      2ea7d595e0e7965f4fedf7f3012261e3d47f618f1a7043859b3cd1c006a4a2d8.apk

    • Size

      2.9MB

    • MD5

      8f860fe68a5aa80a0f38c8e0e85de95c

    • SHA1

      1c4a40dba1fb6a8e63bbc75e53bf807b91805bba

    • SHA256

      2ea7d595e0e7965f4fedf7f3012261e3d47f618f1a7043859b3cd1c006a4a2d8

    • SHA512

      b4097b4384476844388b37a8666b52600a8904d41c088a089185386e4e7648caeaf9006c4186a11518b86fb9bd5c38145ab2386c5448f805e44d02399b957280

    • SSDEEP

      49152:R7MG0EbYQK7uHt4fjdhIxVycny6693XxKRXefHHWbnh:BMkYQK7uFM993XtHHWbh

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Makes use of the framework's Accessibility service.

    • 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.

    • 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