General

  • Target

    52435cd21f3d725029038fd4c24e22f819dee4ea035107bb30ee2895d9d02b29.bin

  • Size

    994KB

  • Sample

    240416-1xl6gadg79

  • MD5

    b5ee66fe34fab727ce1541e054bbd8a5

  • SHA1

    8f4836b5604816f398eee8d42073eca89bfeb145

  • SHA256

    52435cd21f3d725029038fd4c24e22f819dee4ea035107bb30ee2895d9d02b29

  • SHA512

    9e699052d0fb9c4b1fe06e0b24d160a861da18ce4c2f754d92c005a3ad112385744d0e8ad4d2b29ad173c1b1f7265fdfdba5f26b9790abf9a47dfcdfe4f81900

  • SSDEEP

    24576:zTww2poKQAdjHLE3z48qKCfCVCwCICHCCCnCICrCXgSDUW:z8w5XYasge0V5WHWpiKgSn

Malware Config

Extracted

Family

ermac

C2

http://87.120.84.22:3434

AES_key
AES_key

Targets

    • Target

      52435cd21f3d725029038fd4c24e22f819dee4ea035107bb30ee2895d9d02b29.bin

    • Size

      994KB

    • MD5

      b5ee66fe34fab727ce1541e054bbd8a5

    • SHA1

      8f4836b5604816f398eee8d42073eca89bfeb145

    • SHA256

      52435cd21f3d725029038fd4c24e22f819dee4ea035107bb30ee2895d9d02b29

    • SHA512

      9e699052d0fb9c4b1fe06e0b24d160a861da18ce4c2f754d92c005a3ad112385744d0e8ad4d2b29ad173c1b1f7265fdfdba5f26b9790abf9a47dfcdfe4f81900

    • SSDEEP

      24576:zTww2poKQAdjHLE3z48qKCfCVCwCICHCCCnCICrCXgSDUW:z8w5XYasge0V5WHWpiKgSn

    • 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

    • Checks CPU information

      Checks CPU information which indicate if the system is an emulator.

    • Checks memory information

      Checks memory information which indicate if the system is an emulator.

    • Makes use of the framework's foreground persistence service

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

    • Queries the phone number (MSISDN for GSM devices)

    • 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 Matrix

Tasks