General

  • Target

    904422715a4132eddc6f5ca370ee05831f5c821c58abb53d25e0b7de3a9dd4ac.bin

  • Size

    2.6MB

  • Sample

    250114-119e6s1ngz

  • MD5

    be161c7c4b23890809618d9830a543ec

  • SHA1

    b0993da4e434ecd60082603107dfdf50b196aa5f

  • SHA256

    904422715a4132eddc6f5ca370ee05831f5c821c58abb53d25e0b7de3a9dd4ac

  • SHA512

    e6cedbdbff09aca5accdb53759ada0d33e3fde449c3f0812f6ea8ba77444a95cd7e363ee91d1b59886cb2e8c56a9585632b4bb1da40590dae6a51ba91b4fda9c

  • SSDEEP

    49152:p/eSCbqzGXqaziXNaJj+fe3j4LQ4fW1WONz/1b/+oEjYVP+f:FeXbRRiXN+3j4LYTbG2s

Malware Config

Extracted

Family

ermac

C2

http://45.141.85.25:3434

AES_key
AES_key

Targets

    • Target

      904422715a4132eddc6f5ca370ee05831f5c821c58abb53d25e0b7de3a9dd4ac.bin

    • Size

      2.6MB

    • MD5

      be161c7c4b23890809618d9830a543ec

    • SHA1

      b0993da4e434ecd60082603107dfdf50b196aa5f

    • SHA256

      904422715a4132eddc6f5ca370ee05831f5c821c58abb53d25e0b7de3a9dd4ac

    • SHA512

      e6cedbdbff09aca5accdb53759ada0d33e3fde449c3f0812f6ea8ba77444a95cd7e363ee91d1b59886cb2e8c56a9585632b4bb1da40590dae6a51ba91b4fda9c

    • SSDEEP

      49152:p/eSCbqzGXqaziXNaJj+fe3j4LQ4fW1WONz/1b/+oEjYVP+f:FeXbRRiXN+3j4LYTbG2s

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac family

    • Ermac2 payload

    • Removes its main activity from the application launcher

    • Checks Android system properties for emulator presence.

    • 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