General

  • Target

    Aman_2.3.1.0806_1126.exe

  • Size

    27.4MB

  • Sample

    220809-c3cxzsbfdp

  • MD5

    ddf0cd4a134f46857879d62d05e3c304

  • SHA1

    ed1e96dcffc34d0f11851bde9cc3cbb9d0a4904f

  • SHA256

    f8fd8af179f1a0569216ad819a070b5ad16d8512e0b078563f20f831c828ffd3

  • SHA512

    ac867096fda2932d06f07379a99d0734ecfd8e301f79b568e5af4ecfca4f74213760edbbb9015259351f7ba0546aef8acb7d7b63879d5ea1966dcc500e83fc9f

Malware Config

Extracted

Family

joker

C2

https://hw-gn.oss-accelerate.aliyuncs.com

Targets

    • Target

      Aman_2.3.1.0806_1126.exe

    • Size

      27.4MB

    • MD5

      ddf0cd4a134f46857879d62d05e3c304

    • SHA1

      ed1e96dcffc34d0f11851bde9cc3cbb9d0a4904f

    • SHA256

      f8fd8af179f1a0569216ad819a070b5ad16d8512e0b078563f20f831c828ffd3

    • SHA512

      ac867096fda2932d06f07379a99d0734ecfd8e301f79b568e5af4ecfca4f74213760edbbb9015259351f7ba0546aef8acb7d7b63879d5ea1966dcc500e83fc9f

    • joker

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

    • Creates new service(s)

    • Drops file in Drivers directory

    • Executes dropped EXE

    • 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

    • Checks installed software on the system

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks