General

  • Target

    a296c4068f614f4ffd52453485ebd15cd77e2e71bf0b56ea555bea6adfe64c36.bin

  • Size

    2.5MB

  • Sample

    240222-1xtkjsga52

  • MD5

    ad13cd9d9da99264ab3653227c7ee32c

  • SHA1

    21119a1270feb02aa8ec3db59dd91e4384207141

  • SHA256

    a296c4068f614f4ffd52453485ebd15cd77e2e71bf0b56ea555bea6adfe64c36

  • SHA512

    1e9f6e87d8bade13062b8ade67d758c9c688f99d00e70c1fbd1218394a07cf494a93495bfacb7906cd41ce1b38331b4cdef7db339c876dab5eaebdfb4c979113

  • SSDEEP

    49152:K25wZD/n74NzKzbrl83MEhEiqs30mdqmdpXQm4wSpgSW1vqc1azZrA1ZOKzB86:7sDfMzA583MYEiqs30yPvHypgSW3c5AH

Malware Config

Extracted

Family

ermac

C2

http://4.178.96.222:3434

AES_key
AES_key

Targets

    • Target

      a296c4068f614f4ffd52453485ebd15cd77e2e71bf0b56ea555bea6adfe64c36.bin

    • Size

      2.5MB

    • MD5

      ad13cd9d9da99264ab3653227c7ee32c

    • SHA1

      21119a1270feb02aa8ec3db59dd91e4384207141

    • SHA256

      a296c4068f614f4ffd52453485ebd15cd77e2e71bf0b56ea555bea6adfe64c36

    • SHA512

      1e9f6e87d8bade13062b8ade67d758c9c688f99d00e70c1fbd1218394a07cf494a93495bfacb7906cd41ce1b38331b4cdef7db339c876dab5eaebdfb4c979113

    • SSDEEP

      49152:K25wZD/n74NzKzbrl83MEhEiqs30mdqmdpXQm4wSpgSW1vqc1azZrA1ZOKzB86:7sDfMzA583MYEiqs30yPvHypgSW3c5AH

    Score
    1/10
    • Target

      childapp.apk

    • Size

      945KB

    • MD5

      f06826198cc0f9670eb1e2ad362d329b

    • SHA1

      dff99f42a62a39a3aebd10013210fe352c8cc3a6

    • SHA256

      ed0f4bcc4626559abfb1d02de59fc70c796fed58b13758ec080a0bc8db08ae9f

    • SHA512

      0586f250773c99c20cb6eee273e8c7485a5d33ee5a01fb82e0c618b3deceebb0de9b9902164d75fe4d60f6c4a51f64764fb1ca4b3295721431decc13785d31fb

    • SSDEEP

      24576:tYBcF+ai+FfOHHxAhb7Mp8zSxRKgg/4i9:tY+FLi+BOHHxAhnMp3/Kgg/9

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

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

    • Removes its main activity from the application launcher

    • Acquires the wake lock

    • 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