General

  • Target

    AndroidGuncelleme.apk

  • Size

    1.3MB

  • Sample

    250218-zv7hysyqdz

  • MD5

    087afaba461f25c89a9564d87029101b

  • SHA1

    20aa23f2f56243b3a8ef21a3c3ded6de968142e9

  • SHA256

    c4e0965a0e94bc289b03c7b2ea256a68679a3a6156ec98be96959b90e684011d

  • SHA512

    7d34f8b6f1b2332635c3e5ad3cc837d53ededcb37102683253babb2b4ea2cddc0ee051f1f307f62ec1a45db5d246475982690762d7f88717e263ec2dda31ae8c

  • SSDEEP

    24576:7fmv13KFfEWiFBaC9CFgScUroCjCOB+CxJCXC8CVZC+ChHM/qjWxaeI23tlX:7fmv1OEbFBaE0gSDoiqGeFabMHArrl3P

Malware Config

Extracted

Family

ermac

C2

http://162.0.226.235

AES_key
AES_key

Targets

    • Target

      AndroidGuncelleme.apk

    • Size

      1.3MB

    • MD5

      087afaba461f25c89a9564d87029101b

    • SHA1

      20aa23f2f56243b3a8ef21a3c3ded6de968142e9

    • SHA256

      c4e0965a0e94bc289b03c7b2ea256a68679a3a6156ec98be96959b90e684011d

    • SHA512

      7d34f8b6f1b2332635c3e5ad3cc837d53ededcb37102683253babb2b4ea2cddc0ee051f1f307f62ec1a45db5d246475982690762d7f88717e263ec2dda31ae8c

    • SSDEEP

      24576:7fmv13KFfEWiFBaC9CFgScUroCjCOB+CxJCXC8CVZC+ChHM/qjWxaeI23tlX:7fmv1OEbFBaE0gSDoiqGeFabMHArrl3P

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac family

    • Ermac2 payload

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • Queries the phone number (MSISDN for GSM devices)

    • Acquires the wake lock

    • Makes use of the framework's foreground persistence service

      Application may abuse the framework's foreground service to continue running in the foreground.

    • Performs UI accessibility actions on behalf of the user

      Application may abuse the accessibility service to prevent their removal.

    • Queries the mobile country code (MCC)

    • 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 Mobile v15

Tasks