General

  • Target

    c8338489be164cb7b394011a442365ad1a82ab0eb15a8009bcedd6ffd3863a8d.bin

  • Size

    4.6MB

  • Sample

    250123-1wxktaxjgl

  • MD5

    17056779fa2cfebbcaece6f9c0d80f7b

  • SHA1

    d96a7677e8e4105d6d9db8240d8a85521a4e200e

  • SHA256

    c8338489be164cb7b394011a442365ad1a82ab0eb15a8009bcedd6ffd3863a8d

  • SHA512

    254b8c790cbb6af7633d23a7e771dfb744f68ac379b0e71388ce53fe9d133f220d2d5b975e86d9093cf154939be1b720713cc1c14a2fa947ac8bedf5931849a9

  • SSDEEP

    98304:Q6yDIV+0HcuFexJz2g889ynsd2o4BaCheBe/JHElM/xLvIOPlDmg78S4oW4aWZ:J1HcuYxJz2989y9F1heBe/JH5RvIA1Pl

Malware Config

Extracted

Family

ermac

C2

http://31.56.60.49

AES_key
AES_key

Targets

    • Target

      c8338489be164cb7b394011a442365ad1a82ab0eb15a8009bcedd6ffd3863a8d.bin

    • Size

      4.6MB

    • MD5

      17056779fa2cfebbcaece6f9c0d80f7b

    • SHA1

      d96a7677e8e4105d6d9db8240d8a85521a4e200e

    • SHA256

      c8338489be164cb7b394011a442365ad1a82ab0eb15a8009bcedd6ffd3863a8d

    • SHA512

      254b8c790cbb6af7633d23a7e771dfb744f68ac379b0e71388ce53fe9d133f220d2d5b975e86d9093cf154939be1b720713cc1c14a2fa947ac8bedf5931849a9

    • SSDEEP

      98304:Q6yDIV+0HcuFexJz2g889ynsd2o4BaCheBe/JHElM/xLvIOPlDmg78S4oW4aWZ:J1HcuYxJz2989y9F1heBe/JH5RvIA1Pl

    Score
    1/10
    • Target

      childapp.apk

    • Size

      1.2MB

    • MD5

      fd972a106451b62404c205da115c8d8f

    • SHA1

      2509272c4d442095c7e69f8ae8c16343953f2c06

    • SHA256

      1b3d6a90e373874354f8de26b8ea28672297e13aeab96511095c692a0aff30ee

    • SHA512

      e4d7a065e4f99eba25caded2e16173daaa0881c467423b4130d815e9ea728037e7cb5697b79a86fb19e6d3e2c38f30a4e6c70ad8a8ca608a009c80d1f9457bcb

    • SSDEEP

      24576:k4fyduHguH/3uHNuHsiW9uHjCnuH8uHSuHt4uHZuH4fNxaEyEnFsdC070nR:k4fnZ/SE7X/lfnw6EbEnQR0nR

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac family

    • Removes its main activity from the application launcher

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

    • Queries account information for other applications stored on the device

      Application may abuse the framework's APIs to collect account information stored on the device.

    • Queries the phone number (MSISDN for GSM devices)

    • Reads the contacts stored on the device.

    • 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)

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

MITRE ATT&CK Mobile v15

Tasks