General

  • Target

    dd24c16b43c571c793a703796825d76f745e7e58218f84e3c0e2002cc53431b1

  • Size

    26KB

  • Sample

    221107-gssb5sdhgm

  • MD5

    06120591ce43b67ee7590585fad20dd0

  • SHA1

    2196b300f34090b6127a953be63026af7b8178a2

  • SHA256

    dd24c16b43c571c793a703796825d76f745e7e58218f84e3c0e2002cc53431b1

  • SHA512

    921677e25e1ee130ef16fbb34498ae2218eeabf0166cd128c1982106f91a8b8f8fb4315baf483acceb8b7cb79226bdefd7b0184232bba23a37398e3c6118af84

  • SSDEEP

    384:rKbNhPbj62Tj9xec1JmLfBY5vX0kdamj0eohDTkVOhvF27z/FUxiWtBlwmRz:rKXm2Tbar+f0UamC9yoYf

Malware Config

Extracted

Family

joker

C2

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

Targets

    • Target

      dd24c16b43c571c793a703796825d76f745e7e58218f84e3c0e2002cc53431b1

    • Size

      26KB

    • MD5

      06120591ce43b67ee7590585fad20dd0

    • SHA1

      2196b300f34090b6127a953be63026af7b8178a2

    • SHA256

      dd24c16b43c571c793a703796825d76f745e7e58218f84e3c0e2002cc53431b1

    • SHA512

      921677e25e1ee130ef16fbb34498ae2218eeabf0166cd128c1982106f91a8b8f8fb4315baf483acceb8b7cb79226bdefd7b0184232bba23a37398e3c6118af84

    • SSDEEP

      384:rKbNhPbj62Tj9xec1JmLfBY5vX0kdamj0eohDTkVOhvF27z/FUxiWtBlwmRz:rKXm2Tbar+f0UamC9yoYf

    • 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

    • 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.

    • Loads dropped DLL

    • 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)

    • 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