General

  • Target

    e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7

  • Size

    27KB

  • Sample

    221106-hw7rnshcb9

  • MD5

    115d47da2b4602a57a0ce5e6cedf0d40

  • SHA1

    30b2edaca0d4d8098dbc225dd6d26e3a048b5a24

  • SHA256

    e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7

  • SHA512

    d56cd79fcb88a42f6487356b72b4029b108fd9fe5c8c82d4fd4c9dd4993638cf11adb55fad4987d94ca0763364feff1b90647f87e79e57768ae9ab8d02c8c236

  • SSDEEP

    384:rPNs6IOSB0Qgns0jfbwFz88AfeQ990P34Pkfj0eohDTkVOhvF27z/985K29T/7Ww:rPNs/OS6zcF48A2Q/0Q2C9yoYf

Malware Config

Extracted

Family

joker

C2

http://mmtie.oss-cn-hangzhou.aliyuncs.com

Targets

    • Target

      e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7

    • Size

      27KB

    • MD5

      115d47da2b4602a57a0ce5e6cedf0d40

    • SHA1

      30b2edaca0d4d8098dbc225dd6d26e3a048b5a24

    • SHA256

      e50dec2ce16a676fbb9135dced4902b897069c3f635031b27cb358478d134ee7

    • SHA512

      d56cd79fcb88a42f6487356b72b4029b108fd9fe5c8c82d4fd4c9dd4993638cf11adb55fad4987d94ca0763364feff1b90647f87e79e57768ae9ab8d02c8c236

    • SSDEEP

      384:rPNs6IOSB0Qgns0jfbwFz88AfeQ990P34Pkfj0eohDTkVOhvF27z/985K29T/7Ww:rPNs/OS6zcF48A2Q/0Q2C9yoYf

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • joker

      Joker is an Android malware that targets billing and SMS fraud.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets file execution options in registry

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks